All-Aviation-Abbreviations.Pdf

AAA (All Aviation Abbreviations) www.flyingineurope.be AAA

All Aviation Abbreviations

Flying In Europe Second Edition - May 2005

-1-9- AAME : Association of Aviation Medical Examiners AAP : Advanced Automation Program AAA All Aviation Abbreviations AAPA: Association of Asia Pacific Airlines 1 PPS : One Pulse Per Second AAR : Airport Acceptance Rate or Airport Arrival Rate 1 :1 : One-to-one relationship AAR : Air-to-Air Refuelling 1 :M : One-to-Many relationship AAS : Advanced Automation System (the end systems for 16PF : Sixteen Personality Factor Questionnaire all FAA air traffic control, located at the ARTCCs 2D : Two Dimensional AASA : Air Lines Association of Southern Africa 3D : Three Dimensional AASC : Airport Authorities Steering Committee 3D : Palair Macedonian (airline) AASI : Aeronautical Applications Service Interface 4D : Four Dimensional AASR : Airways and Airport Surveillance Radar 4D FMS : 4D Flight Management System AAT : Alpha Attenuation Test 4D-NAV : 4D Navigation AATF : Airworthiness Assurance Task Force 4DTN : 4D Trajectory Negotiation AATMS : Advanced Air Traffic Management System 4-MASt : 4-MAST group AATT : Advanced Aviation Transportation Technology 5LNC : Five Letter Name Code AAUI : Aeronautical Applications User Interface 5-ST-RSG : 5-States Route Structure Group AB : Action Button (mouse) 5-STRSSG : 5-States Route Structure Steering Group ABAS : Aircraft-based Augmentation System 5-SRSWG : 5-States Route Structure Working Group ABC : ATC Bypass Complex 8.33 CP : 8.33 Contact Person ABET : Airspace Behavioural Engineering Technology 8.33 PMC : 8.33 Programme Management Cell ABFG : ATM Basic Functions Sub-Group 8.33 State : A State initially implementing 8.33 kHz ABI : Advance Boundary Information channel spacing ABM : Abeam ABN : Aerodrome Airport Beacon -A- ABPSK : Aviation Binary Phase Shift Keying ABT : About A : Amber ABV : Above A : Ampere AC : Air Canada A : At or Above (constrained altitude) AC : Alternating Current A : Autotuned NAVAID AC : Altocumulus A : Austria AC : Assessment Centre A SMGCS : Advanced Surface Movement Guidance and AC : Assistant Controller Control Systems AC : Advisory Circular A/A : Air/Air ACA : Air Traffic Centre Architecture A/C, a/c : Aircraft ACA : Airport Co-ordinators Association A/D : Analog-to-Digital ACA : Airspace Control Activity A/D Converter : Analogue-to Digital Converter ACA : AUP / UUP Composition application (software) A/G : Air-Ground ACA : Austrian Cockpit Association A/I : Accident(s)/Incident(s) ACAC : Arab Civil Aviation Council A/l : Anti-ice Acad : Academic establishments A/L : Auto Land ACAD : Auto Computer Aided Design (Operator-Input + A/P : Autopilot Display System) A/T : Autothrottle ACAG : Airspace Co-ordination Agencies AA : American ACAM : Airport Capacity Airside Modelling AA : Approved agency ACAMS : Aircraft Condition Analysis and AAA : Advanced ATC System Amsterdam AAA : Asian Airliners Association Management System AAA : (or AAB, AAC...etc., in sequence) Amended ACARS : Aircraft Communications, Addressing and meteorological message (message type designator) Reporting System AAATS : Australian Advanced Air Traffic Services ACARS ARINC communications and address reporting AAC : Alpha Attenuation Coefficient system (digital communications system used primarily for AAC : Aeronautical Administration Communication (a class aircraft-to-airline messages) of communication which supports administrative ACARS MU ACARS Management Unit communication) ACAS : Airborne Collision Avoidance System AAC : Airline Administrative Communication ACAS I : Aircraft Collision Avoidance System Version 1 AACC : Airport Associations Co-ordinating Council ACAS II : Aircraft Collision Avoidance System Version 2 AACE : Airfield Approach Control Element ACAS III : Aircraft Collision Avoidance System Version 3 AACI : Airports Association Council International ACASA : ACAS Analysis AACO : Arab Air Carriers Organisation ACATF : ATC Centre Communications Architecture Task AAD : Assigned Altitude Deviation Force AAF : ATM Added Functions ACB : Aeroclub AAFCE : Allied Air Forces Central Europe ACC : Area Control Centre AAFG : ATM Added Functionality Sub-Group ACC Controller : Area Controller AAG : AIS Automation Group ACC Loop : Anticipation-Action-Comparison Loop AAGDI / AGADE : Automated Air/Ground Data ACCA : Air Charters Carriers Association Interchange ACCC : Australian Competition and Consumer AAH : Autonomous Aircraft Hybrid Commission AAIB : Air Accident Investigation Branch (UK equivalent of ACCEL : Accelerate NTSB) ACCESS : Aircraft Control Console for Experiments and AAIM : Aircraft Autonomous Integrity Monitoring Simulations Studies AAIS : Automated AIS ACCID : Notification of an aircraft accident AAL : Above Aerodrome level ACC-PC : ACC Planning Controller AALS : Advanced Approach and Landing System ACCS : Air Command and Control System AAM : Airbus Asset Management ACC-TC : ACC Tactical Controller AAM : Airline Administration Message ACCUM : Accumulate

ACDAC : Asociacion Colombiana de Aviadores Civiles ADC : Air Data Computer ACDMD : Air Collaborative Decision Making Demonstrator ADC : Analog to Digital Converter ACE : Allied Command Europe ADCA : Air Defence Classification Area ACE : Altimeter Control Equipment ADCE : Aircraft Data Circuit-Terminating Equipment ACE : ATC Communications Environment ADCP : Air Defence Command Post ACF : Area Control Facility. See ACC or ARTC ADD : Architectural Design Document ACFS : Advanced Concepts Flight Simulator (a generic ADD : Average Delay per Delayed Flight "glass cockpit") ADDI : Automated Digital Data Interchange (ICAO) ACFT : Aircraft ADDN : Addition or Additional ACG : Advanced ATS Concept Group ADDR : Address ACG : Advanced Concept Group ADE : Air Defence Element ACG : ATN/CNS Consultation Group ADE : Autonomous Display Equipment ACG : ATS System Concept Working Group ADEG : ATS Data Exchange Group ACG : Austro Control GmbH ADEP : Aerodrome of Departure ACH : ATC Flight Plan Change Message ADES : Aerodrome of Destination ACH : ATC Flight Plan Change ADEXA : Air Defence Exercise Area ACI : Airports Council International ADEXP : ATS Data Exchange Presentation (message ACI : Area of Common Interest format used for IFPS) ; ATS Data Exchange Program ACID : Aircraft Identification (ICAO) Format ACIPLA : Asociacian Civil de Pilotos de Lineas Aereas ADF : Automatic Direction Finder (Uruquay) ADFL : Augmented Dynamic Flight Leg ACK : Acknowledge(ment) message ADIRS : Air Data Inertial Reference System ACL : Altimeter Check Location ADGE : Air Defence Ground Environment ACL : ATC Clearances ADJ : Adjacent ACM : Acceptance of (Radar) Co-ordination Message ADI : Aerodrome Control Instrument ACM : Acceptable Means of Compliance ADI : Attitude Director lndicator ACM : Airspace Control Measures ADI : Attitude Display Indicator ACM : ATC Communication Management ADIDS : Advanced Data & Image Distribution System ACMS : Aircraft Condition Monitoring System (CCTV Application) ACN : Aircraft Classification Number ADIRS : Air Data Inertial Reference System ACN : Airspace Co-ordination Notification ADIRU : Air Data Inertial Reference Unit ACN : Austrian Communication Network ADIS : Automatic dependent surveillance and Data Link ACNZ : Airways Corporation of New Zealand Interim System ACO : Airspace Co-ordination Order ADIS : Automatic dependent surveillance and Data Link ACOD : Area Conflict Detection Interim System ACP : Accept Message ADIS (P) : Automated Data Interchange System (Panel) - ACP : Acceptance Message ICAO ACP : African, Caribbean and Pacific States ADIZ : Air Defence Identification Zone ACP : Aircraft Control Position (window) ADLP : Aircraft Data Link Processor (the Mode S ACP : Airspace Control Plan subnetwork function onboard the aircraft that implements ACP : Airspace Crossing Acceptance Message the OSI network layer protocols) ACP : Allied Communications Publication ADM : Administrative / Administration ACP : Azimuth Change/Count Pulses ADM : Aeronautical Decision Making ACP : Area Control Procedural ADM : Average Delay per Movement ACPO : Aircraft Position Operator ADM : Airborne Data Bus ACPSC : Advisory Committee on Procurement and Sales ADM : Air Data Module Contracts (Eurocontrol/DF) ADMA : Aviation Distributors and Manufacturers ACPT : Accept or Accepted Association ACR : Air Carrier ADMD : Airspace Data Management & Distribution ACR : Atlantic Co-ordinated Route ADNC : Air Defence Notification Centre (GR) ACRPWG : Aircraft Crash Recovery Procedures Working ADNS : Aeronautical Radio Incorporated Data Network Group Service ACS : Advanced Communication System ADOC : Air Defence Operations Centre ACS : Airspace Control System ADOLT : Air Defence Liaison Team ACS : Area Control Surveillance ADORA : Analysis and Definition of the Operational ACSA : Allied Communications Security Agency Requirements for ATM ACSE : Application Control Service Element ADP : Activity Predictor Display ACT : Active ADP : ATFM Daily Plan ACT : Activation message designator ADP : Automated Data Processing or Auxiliary Data ACT : ATC Activation message Processing ACT/LAM : Activation Message / Logical ADPG : ATM Data Processing Sub-Group Acknowledgement Message ADR : Advisory Route ACTF : Aeronautical Charting Task Force ADR : Air Data Reference ACU : Airspace / Antenna Control Unit. See BSU ADR : Airfield Damage Repair AD : Administrative Domain (ENOC) ADR : Average Delay per Regulated Flight AD : Aerodrome ADREP : Accident/Incident Reporting System AD : Air Defence ADRS : Air Defence Radar Site AD : Airworthiness Directive ADS : Air Data System AD : CFMU/FDOD - Airspace Data Section ADS : Automatic Dependent Surveillance ADA : Advisory Area ADS-A : Automatic Dependent Surveillance-Addressed ADAGES : Action Plan Definition on the Basis of ADS-B : Automatic Dependent Surveillance-Broadcast Architecture studies from GAAS for EATMS ADS-C : Automatic Dependent Surveillance-Contract ADAP : Automated Downlink of Airborne Parameters ADS-P : Automatic Dependent Surveillance-Panel (ICAO) ADAPT : ATS Data Acquisition, Processing and Transfer ADS-R : Automatic Dependent Surveillance-Report Panel (ICAO) ADSEL : Address Selective SSR System (UK) ADC : Air Defence Centre / Command ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 2 AAA (All Aviation Abbreviations) www.flyingineurope.be

ADSIA : Allied Data Systems Interoperability Agency AFPA : Automated Flight Plan to Track Association ADSP : ADS Processor AFPL : ADEXP Filed Flight Plan ADSP : Automatic Dependent Surveillance Panel (ICAO) AFRAA : African Airlines Association ADSU : ADS Unit AFS : Advanced Functional Simulator ADT : Air Data Tester AFS : Aeronautical Fixed Services ADT : Approved Departure Time AFS : Automatic Flight System ADTI : Additional Technical Information (ODS - ESCO) AFSATCOM : Airborne Satellite Communication ADUG : Airport Database User Group AFT : After (time or place) ADV : Aerodrome Control Visual AFTN : Aeronautical Fixed Telecommunication Network ADVON : Advanced Echelon AFW : Area Flows Window ADZ : Advise AFWA : Automatic Flight Weather Advisory ADZD : Advised AGA : Aerodromes and Ground Aids ADZY : Advisory AGARD : Advisory Group on Aeronautical Research and AE : ATM Engineering Developments AE : Application Entity AGAS : European Action Group for ATM Safety AE : United Arab Emirates (ISO Country Code) AGATE :Advanced General Aviation Transport AEA : Association of European Airlines Experiments AECB : Atomic Energy Control Board AGC : Automatic Gain Control (VCS) AECG : ACAS Evaluation and Co-ordination Group AGCS : Air-Ground Communication System AFCS Automatic Flight Control System AGCSG : Air/Ground Communication Sub-Group Meeting AEEC : Airlines Electronic Engineering Committee AGDC : Air/Ground Data Communications AEFMP : Algeria, Spain, France, Maroc, Portugal Project AGDC-SG : Air/Ground Data Communications Sub Group. AEGIS : Airborne Early Warning Ground Environment See AGSG Integrated Segment AGDC-TF : Air/Ground Data Communications-TF (ODT) AEGIS : ATM European Group for Improvement of AGDL : Air-Ground Data Link Scenarios AGDLS : Air-Ground Data Link System AEG-TFK : AEG-Telefunken AGL : Above Ground Level AEM : Airports & Environment Management (Eurocontrol) AGLAE : Air-Ground Data Link Applications AENA : Aeropuertos Españoles y Navegatión Aérea (ES) / Experimentation Spanish Airport and Air navigation Administration AGN : Again AERA : Automated En-Route Air Traffic Control AGN : Agenda AEREA : Association of European Research AGOD : Advisory Group on Deliverables Establishments in Aeronautics AGR : Agreement AEROSAT : Aeronautical Satellite Council AGSG : Air / Ground Data Communication Sub group AES : Aircraft / Airborne Earth Station (ICAO - ADS) AGVC-SG : Air/Ground Voice Communication Sub Group AES : ATC Engineering Section AHDG : Assigned Heading AES : Automatic Enhanced Surveillance AHEAD : Automation and Harmonisation of European AEV : Annual Equivalent Value Aeronautical Data AEW : Airborne Early Warning AHGSO : Ad Hoc Group of Senior Officials AEWPD : Adapted EATM Work Programme Document AHMI : Airborne Human Machine Interface AF : Air Force AHRS : Attitude and Heading Reference System AF : Air France (airline) AHS : American Helicopter Association AF : Audio Frequency (VCS) AI : Artificial Intelligence AF : DME Arc to a Fix (ARINC 424 Path Terminator) AI : Air India (airline) AFA : Association of Flight Attendants AIA : Aerospace Industries Association AFAS : Aircraft in the Future ATM System AIAA : American Institute of Aeronautics and Astronautics AFAST : Active Final Approach Spacing Tool AIAA : Area of Intense Aerial Activity AFB : Air Force Base AIB : Aeronautical Information Bulletin (EAD) AFC : Airport Facilities Control (ICAO) AIC : Aeronautical Information Circular AFC : ATC Frequency Change (service) AICB : Air Initiated Comm-B Protocol AFCAC : African Civil Aviation Commission AICG : Ab Initio Co-ordination Group AFCNF : Air Force Central NOTAM Facility AICG : ACAS Implementation Co-ordination Group AFCS : Automatic Flight Control System AICG : Airport Interface Co-ordination Group AFD : Airport Facility Directory AICM : Aeronautical Information Conceptual Model (EAD) AFD : Associated Flight Details AID : Aid or Aircraft Identification AFDS : Autopilot Flight Director System (also A/P F/D) AIDA : Aeronautical Information and Data handling Austria AFFSC (E) : Air Forces Flight Safety Committee (Europe) AIDC : ATS Interfacility Data Communications (ICAO) AFG : Advisory Financial Group (ex-FCG/Eurocontrol) AIDS : Aircraft Integrated Data System AFI : Africa-Indian Ocean Region (ICAO) AIG : ACAS Implementation Group ; Automatic Input AFIL : Air Filed Flight Plan Generation AFIS : Airport/Aerodrome Flight Information Service AIG : Accident Investigation and Prevention AFISO : Aerodrome Flight information Service Officer AIL : Aeronautical Item Location Bank AFIZ : Aerodrome Flight information Zone AIM : Airman’s Information Manual AFL : Actual Flight Level AIM : ATFM Information Message AFL : Assigned Flight Level AIM-FANS : Airbus Interoperable Modular FANS AFM : Yes or Affirm or Affirmative or That is Correct AIMS : Airplane Information Management System (Boeing AFM : Airplane Flight Manual 777) AFMS : Advanced Flight Management System AIMS : Aircraft Integrated Monitoring (Information AFMSG : Audit and Financial Matters Sub-Group Management) System AFN : Air Traffic Services Facilities Notification AIP : Aeronautical Information Publication AFN: Airspace / Flow Management & Navigation Business AIPN : Appointing authority Division (Eurocontrol) AIR : Armament Initiative and Requirements AFP : Active Flight Plan Processing AIR 4653 : Aerospace Information Report 4653 - (Flight AFP : Area Forecast Panel Management Systems Review) AFP : ATC Flight Plan Proposal AIR : Air Control AIRAC : Aeronautical Information Regulation and Control ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 3 AAA (All Aviation Abbreviations) www.flyingineurope.be

AIRCOM : Aircraft Communications AMD : Advisory Map Display AIREP : Air-Report (ICAO) AMD : Amend or Amended AIRMET : Air Meteorological Information Report which AMD : Arrival manager Display may affect the safety of low-level aircraft operations AMDP : Airspace Management Data Processing AIRPROX : The code word used in air traffic incident AMDP-TF : EATCHIP Airspace Management Data report to designate aircraft proximity (ICAO) Processing Task Force AIRS : Advanced Infrared Sounder AMDT : Amendment (ICAO) AIS : Aeronautical Information Services AMDWP : Aeromedical Working Party AISAP : AIS Automation Specialist Panel AME : ATM Message Exchange AISAS : Aeronautical Information Services Automated AMEG : Air Miss Evaluation Group System AMGR : Airport Manager AISC : Aeronautical Mobile Communications System AMHS : Aeronautical Message Handling Service Panel AMI : Airline Modifiable Information AISC : Aeronautical Industry Service Communication AMI : Administrative and Management Information AISG : AIS Automation Group Software AISPOP : AIS Planning and Operations Subgroup AMID : Approach Multi-Input Device (ODID) AISS : Aeronautical Information Server System AMJ : Advisory Material Joint AIS-TF : AIS Training Task Force AMLCD : Active Matrix Liquid Crystal Display AISU : Aeronautical Information Service Unit AML (WP) : Airfield Markings and Lighting (Working Party) AITSC : Administrative IT Steering Committee AMN : Airspace Management and Navigation (EATM Unit) AIXM : Aeronautical Information Exchange Model AMOC : ATFM Air Traffic Flow Management AKARD : Available Knowledge And required system AMOC : ATFM Modelling Capability Research and Development AMOS : Automatic Meteorological Observing System AL : Aircraft Label AMOS : ARTAS Maintenance and Operational Support AL : Albania (ISO Country Code) organisation AL : Alerting Service AMOSS : Airline Maintenance and Operation Support AL : Allegheny System ALA : Alighting Area AMPS : American Mobile Phone System ALB : Alternative Label AMS : Aeronautical Mobile Service ALCC : Airlift Central Co-ordination Centre AMS : Airspace Management Service ALCE : Airlift Control Element AMS : ATC Model-Simulations Studies ALCM : Air Launched Cruise Missile AMS(R)S : Aeronautical Mobile Satellite (Route) Service ALD : Airlift Division AMSC : Allied Military Security Code ALERFA : Alert Phase AMSL : Above Mean Sea Level Alert : Alert phase AMSS : Aeronautical Mobile Satellite Services Alert Indicator : (visual or auditory) which provides AMSS : Aeronautical Mobile Satellite System information to the flightcrew in a timely manner about an AMSS : Automatic Message Switching System event requiring pilot awareness. AMSSP : Aeronautical Mobile Satellite Service Panel ALIM : Altitude Limit (Positive RA Altitude Threshold) AMT : ADS Mediterranean Trials ALLA : Allied Long Lines Agency AMTI : Adaptive Moving Target Indicator ALMC : Airlift Movement Cell AN : Access Node (RMCDE) ALO : Air Force Liaison Officer ANA : Aeroportos e Navegaçao Aérea (PT) ALPA : Air Line Pilots Association ANA All Nippon Airways ALR : Alerting message ANA-EP : Aeroportos e Navegaçao Aérea Empresa ALRS : Alerting Service Pública (PT) ALRT : Alert ANC : Access Network Computer ALS : Approach Lighting System ANC : Air Navigation Commission / Conference (ICAO) ALS : Architecture Layer Structure (ISO) ANCAT : Abatement of Nuisances Caused by Air ALS : Automatic Line Switch (RMCDE) Transport (ECAC environmental policy committee (ENV : ALS : Automatizovany Letisni System (CZ) / Automated AL) Airport System ANDRA : Advanced Node for Data Relay in ATN ALSTG : Altimeter Setting ANDS : ANS Department ALT : Airborne Link Terminal ANERC : Advanced New En-Route Centre (UK) ALT : Altitude ANM : ATFM Notification Message (CFMU / ECAC States) ALT : Alternate ANOVA : Analysis of Variance ALTM : Altimeter ANP : Actual Navigation Performance ALTN : Alternate Aerodrome ANP : Air Navigation Plan ALTNLY : Alternately ANPP : Air Navigation Plan Publication ALT HOLD : Altitude Hold Mode ANS : Air Navigation Service ALTRV : Altitude Reservation System ANS : Answer AM : Aeromexico ANS/CR : Air Navigation Services of the Czech Republic AM : Airspace Management ANSA : International Advisory Group Air Navigation AM : Amplitude Modulation Services AM : Armenia (ISO Country Code) ANSEP : Air Navigation Services Economics Panel (ICAO) AM : Arrival Manager ANSI : American National Standards Institute AM : Attribute Modification ANSIR : Advanced Navigation System Inertial Reference AMA : Area Minimum Altitude ANSO : Air Navigation Services Offices (Irish aviation AMA : Airlift Management Agency authority) AMAN : Arrival Manager (APATSI) ANSP : Air Navigation Service Provider AMC : Airspace Management Cell ANT : Airspace and Navigation Team AMC : ATC Microphone Check (service) AO : Aircraft Operator AMC : Avionics Maintenance Conference AO : Airlines Operator AMC/CADF : Airspace Management Cell - ECAC AO : Arrival Operations Centralised Airspace Data Function AO : ATM Operations AMCP : Aeronautical Mobile Communication Panel (ICAO) AOA : Aircraft Operating Agency (e.g. Airlines) AMD : Administrative Management Domain AOA : Angle-of-Attack ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 4 AAA (All Aviation Abbreviations) www.flyingineurope.be

AOA : Airport Operations Area APOD : Airport of Debarkation AOB : Air Order of Battle APP : Approach Centre / Control (office/service) AOB : Angle of Bank APP controller/director : Approach controller/director AOC : Advanced Operational Capability App. : Appendix AOC : Aerodrome Obstruction/Obstacle Chart APPA-SG : ATFM Policies and Principles Advisory Sub- AOC : Aeronautical Operational Communications Group AOC : Aircraft Operating Company APP-ASS : Approach-Assistant AOC : Aircraft Operations Centre (ICAO) APPR : Approach/Approach Mode AOC : Airline Operation Control APR : Automatic Position Reporting AOC Aeronautical Operation Control (communications APRT : Airport which support safety and regularity of flight that normally APRX : Approximate or Approximately take place between aircraft and the operator) APS : Approach Control Surveillance AOC : Assume of Control (ODID) APSG : ACAS Programme Steering Group AOC : Auxiliary Output Chip APSG : After Passing AOC : Aeronautical Operational Control APT : Airport(s) AOC : Air Operator's Certificate APT : Airspace Planning Team became ANT (March 94) AOC : Airline Operational Communications APU : Auxiliary Power Unit AOCC : Aircraft Operator Control Centre APV : Approve or Approved or Approval AOCI : Airport Operators Council International APW : Area Proximity Warning AOCP : Airborne Operational Computer Programme AQAP : Allied Quality Assurance Publication AOCS Attitude and Orbit Control System AQG : Agency Quality Group AOCU : Aircraft Operator Control Unit AQP : Advanced Qualification Programme AOF : AIS Office (EAD) A-QPSK : Aviation Quadrature Phase Shift Keying AOF : Allocation of Functions AR : Agency Representative (CIP) AOG : Aircraft On Ground AR : Air Route AOI : Aircraft Operations Information AR : Automatic Reminder AOI : Area of Operational Interest AR : Argentina (ISO Country Code) AOI : AIS Office AR-1 : Approach Radar 1 AOIS : Aeronautical Operational Information System ARAC Aviation Rulemaking Advisory Committee AOM : Aircraft Operations Manual ARB : Authoritative Representative Body AOP : Aeronautical OSI Profile ARC 2000 : Automatic Radar Control for the 21st Century AOPA : Aircraft Owner and Pilot Associations (CEE) AOPG : Aerodrome Operations Group (ICAO) ARC : Airlift Requirement Centre AOPTF : Aerodrome Operations Task Force arc : assigned rate of climb/descent AOR : Area of Responsibility ARC : Advanced Research for/in Air Traffic Control AOR : Atlantic Ocean Region (ICAO) ARC (ARCH) : CFMU – Archive System AOR-E : Atlantic Ocean Region - East (ICAO) ARCC : Air Rescue Co-ordination Centre AORTF : ATM Added Functionality Operational ARCH : Archives and Quality Control System Requirements Task Force ARCID : Aircraft Identification AOR-W : Atlantic Ocean Region - West (ICAO) ARCOS : Arrival Co-ordination System AOS : Airport Operations Strategy Drafting Group ARCP : Air Refuelling Control Point AOT : Airport Operations Team ARDEP : Analysis / Assessment of Research and AOU : Aircraft Operator Unit Development in Eurocontrol Programmes AOWIR : Aircraft Operator What-If Re-routing ARDRS : Automatic Radar Data Recording System AOWP : Airport Operations Work Plan ARDS : ATM Architecture and overall system engineering AP : Airport ARETA : ATM with RNAV in Extended Terminal Area AP : Auto-Pilot ARFA : Allied Radio Frequency Agency AP : Application Process ARFF : Airport Rescue and Fire Fighting APA Allied Pilots Association ARFOR : Area Forecast APANPIRG : Asia/Pacific Air Navigation Planning and ARH : Architecture Implementation Regional Group ARIBA : ATM system safety criticality Raised Issues in APAPI : Abbreviated Precision Approach Path Indicator Balancing Actors Responsibility APATSI : Airport / Air Traffic Systems Interface (ECAC) ARINC : Aeronautical Radio Incorporated (a nonprofit APB : APATSI Project Board corporation owned by member airlines to define form, fit APC : Aeronautical Passenger Communications / and functions of avionics equipment) Correspondence ARINC 306 : Guidance For Designers Of Aircraft- APC : Aeronautical Public Correspondence Electronic Installations APC : Assistant Planning Controller ARINC 307 : Aircraft Integrated Data System Wire Bundle APCH : Approach Provisions APD : Activity Predictor Display ARINC 404A : Air Transport Equipment Cases And APDLC : Aircraft Proximity Data Link Communication Racking (ICAO) ARINC 406A : Airborne Electronic Equipment APDSG : ATM Procedures Development Sub-Group ARINC 408A : Air Transport Indicator Cases And Mounting APE : Analysis Programme for Evaluation ARINC 413A : Guidance For Aircraft Power Utilisation And API : Application Programming Interface Transient Protection APIRG : Africa-Indian Ocean Planning and Implementation ARINC 414 : General Guidance For Equipment And Regional Group (ICAO) Installation Engineers APL : Abbreviated Flight Plan ARINC 415 : Operation/Technical Guidelines On Failure APL : Applied Physics Laboratory Warning and Functional Test APL : ATC Flight Plan ARINC 419 : Digital Data System Compendium APLGT : Airport Lighting ARINC 421 : Guidance For Standard Subdivision of ATA APM : Architecture Project Management Spec 100 Numbering System for Avionics APMB : ACAS Programme Management Board ARINC 422 : Guidance For Modification Status Indicators APMS Automated Performance Measurement System & Avionics Service Bulletins APO : Airport Operator ARINC 424 : Navigation System Data Base APO : Aircraft Performance and Operations ARINC 429 : Mark 33 Digital Information Transfer System ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 5 AAA (All Aviation Abbreviations) www.flyingineurope.be

ARINC 528 : Airborne Tape Recorder Description ARINC 533A : Airborne HF SSB/AM System ARINC 651 : Design Guidance For Integrated Modular ARINC 541 : Airborne Magnetic Flight Data Recorder Electronics ARINC 542 : Airborne Oscillograph Flight Data Recorder ARINC 659 : Backplane Data Bus for Integrated Modular ARINC 542A : Digital Flight Data Recorder Avionics ARINC 551 : Airborne Glide Slope Receiver - Mark 2 ARINC 701 : Flight Control Computer System ARINC 557 : Airborne Voice Recorder ARINC 702 : Flight Management Computer, Supplement 4 ARINC 559A : Mark 2 Airborne HF SSB/AM System & 5 ARINC 561 : Air Transport Inertial Navigation System - ARINC 703 : Thrust Control Computer INS ARINC 704 : Inertial Reference System, Supplement 6 ARINC 566 : Airborne VHF Communications Transceiver ARINC 705 : Altitude and Heading Reference System And Mark 1 VHF SATCOM System (AHRS) ARINC 566A : Mark 3 VHF Communications Transceiver ARINC 706 : Subsonic Air Data System ARINC 569 : Airborne Distance Measuring Equipment ARINC 707 : Radio Altimeter, Supplement 6 ARINC 569 : Heading and Altitude Sensor (HAS) ARINC 708 : Airborne Weather Radar ARINC 571 : Inertial Reference System (INS) ARINC 709 : Airborne Distance Measuring Equipment, ARINC 572 : Mark 2 Air Traffic Control Transponder Supplement 8 ARINC 573 : Aircraft Integrated Data System (AIDS) Mark ARINC 709A : Precision Airborne Distance Measuring 2 Equipment ARINC 574 : Passenger Announcement, Entertainment & ARINC 710 : Mark 2 Airborne ILS Receiver Service Multiplex System ARINC 711 : Mark 2 Airborne VOR Receiver ARINC 575 : Mark 3 Subsonic Air Data System (Digital) ARINC 714 : Mark 3 Airborne SELCAL Systems ARINC 576 : Mark 4 Subsonic Air Data System ARINC 715 : Airborne Passenger Address Amplifier ARINC 577 : Audible Warning System ARINC 716 : Airborne VHF Communications Transceiver ARINC 578 : Airborne ILS Receiver ARINC 717 : Flight Data Acquisition And Recording ARINC 579 : Airborne VOR Receiver System ARINC 585 : Electronic Chronometer System ARINC 718 : Mark 3 ATC Transponder ARINC 591 : Quick Access Recorder For Aids System ARINC 719 : Airborne HF/SSB System (OAR) ARINC 720 : Digital Frequency/Function Selection for ARINC 592 : Airborne Passenger Tape Record Airborne ARINC 594 : Ground Proximity Warning System (GPWS) ARINC 722 : Electronic Equipment Protection Video ARINC 595 : Barometric Altitude Rate Computer System ARINC 596 : Mark 2 Airborne SELCAL System ARINC 723 : Ground Proximity Warning System (GPWS) ARINC 597 : Aircraft Communications Addressing And ARINC 724 : Mark 2 Aircraft Communications Reporting System (ACARS) ARINC 724A : Mark 2 ACARS Avionics ARINC 597A : Enhanced ACARS Avionics ARINC 724B : Aircraft Communications Addressing and ARINC 59MA : Airborne Announcement Tape Reproducer Reporting System (ACARS) ARINC 600 : Air Transport Avionics Equipment Interfaces ARINC 725 : Electronic Flight Instruments (EFIS) ARINC 601 : Control/Display Interfaces ARINC 726 : Flight Warning Computer System ARINC 602 : Test Equipment Guidance ARINC 727 : Airborne Microwave Landing System ARINC 602A : Test Equipment Guidance ARINC 728 : Avionics Refrigeration and Cooling System ARINC 603 : Airborne Computer Data Loader (ARCS) ARINC 604 : Guidance For Design And Use Of built-In ARINC 729 : Analog And Discrete Data Converter System Test Equipment (BITE) ARINC 730 : Airborne Separator Assurance System ARINC 605 : Users Guide For ARINC 616 Avionics Subset ARINC 731 : Electronic Chronometer Of ATLAS Language ARINC 732 : Mark 2 Airborne Passenger Audio ARINC 606 : Guidance For Electrostatic Sensitive Device Entertainment Tape Reproducer, Supplement 1 Utilisation & Protection, Sup. 1 ARINC 735 : Traffic Alert and Collision Avoidance System ARINC 608 : Standard Modular Avionics Repair And Test (TCAS), Supplement 1 System (SMART) ARINC 737 : On Board Weight and Balance System. ARINC 609 : Design Guidance For Aircraft Electrical Supplement 1 Power Systems ARINC 738 : Air Data and Inertial Reference System ARINC 610 : Guidance For Design and Integration of (ADIRS) Aircraft Avionics Equipment In Simulators, Supplement 1 ARINC 739 : Multi-Purpose Control and Display Unit ARINC 611 : Guidance For The Design and Installation Of ARINC 740 : Multiple-Input Cockpit Printer Fuel Quantity Systems, Sup. 1 ARINC 7411P2 : Aviation Satellite Communication System ARINC 612 : BITE Glossary : Part 2 - Satellite Design ARINC 613 : Guidance for Using the Ada Programming ARINC 741P1 : Aviation Satellite Communication System : Language in Avionics Systems Part I- Aircraft Installation Provisions ARINC 614 : Standard Firmware Loader For Avionics ARINC 741P4 : Aviation Satellite Communications System Shops : Part 4 - Specification and Description Language ARINC 615 : Airborne Computer High Speed Data Loader, ARINC 742 : Design Guidance For Windshear Warning Supplement 3 and Guidance Equipment ARINC 616 : Avionics Subset of ATLAS Language ARINC 743 : Airborne Global Positioning System Receiver ARINC 620 : Data Link Ground System Standard And ARINC 743A : GPS/GLONASS Sensor Interface Specification ARINC 744 : Full Format Printer ARINC 622-1 : The ACARS Convergence Process ARINC 745 : Automatic Dependent Surveillance, ARINC 624 : Design Guidance For Onboard Maintenance Supplement 1 System ARINC 746 : Cabin Communications System, Supplement ARINC 626 : Standard ATLAS For Modular Test 1 ARINC 627 : Programmers Guide For Smart Systems ARINC 747 : Flight Data Recorder Using ARINC 626 ATLAS ARINC 748 : Communications Management Unit (CMU) ARINC 629 : Multi Tester Data Bus : Part 1 - Technical ARINC 750 : VHF Data Radio (VDR) Description ARINC 751 : Gate-Aircraft Terminal Environment Link ARINC 629 : Multi-Transmitter Data Bus (Gatelink) - Aircraft Side ARINC 631 : Aviation Packet Communications Functional ARINC 752 : TFTS Airborne Radio Sub-System ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 6 AAA (All Aviation Abbreviations) www.flyingineurope.be

ARINC 753 : HF Data Link System ASE : Application Service Element ARINC 757 : Cockpit Voice Recorder (CVR) ASECNA : Agency for the Safety of Air Navigation in Africa ARINC539A : Airborne 400 Hz AC Tape Reproducer and Madagascar ARLO : Air Liaison Officer ASEP : ACCS Surveillance Exploratory Prototype (NATO / ARM : ADS Report Message SHAPE) ARM : Air Request Message ASHTAM : NOTAM relating to volcanic and/or dust activity ARM : Anti Radiation Missile (ICAO) ARM : Armenia ASI : Aerospace Sciences Inc. ARMATS : State Closed Joint-Stock Company of ASI : Asia Region (ICAO) Armenian Air Traffic Services ASI Air Speed Indicator ARN : ATS Routes and Associated Navigation Means ASIC : Application-Specific Integrated Circuit ARN-1 (Table) : Basic ATS Route Network in the Lower ASM : Ad-hoc Schedule Message and Upper Airspace ASM : AirSpace Management ARN-2 (Table) : Radio Navigation Aids Associated with ASMAC : Automated System for Management of the Basic ATS Route Network Terminal Area and Aeronautical Information and Charting Instrument Approach Procedures ASMC : Airspace Management Communications ARN-V2 : ATS Route Network - Version 2 (ECAC, EATM) ASMGCS : Advanced Surface Movement Guidance and ARN-V3 : ATS Route Network - Version 3 (ECAC, EATM) Control Systems ARNG : Arrange ASMI : Airport Surface Movement Indicator ARO : Air Traffic Service Reporting Office ASMT : ATM Safety Monitoring Tool ARP : Aerodrome Reference Point ASMTF : Airspace Management Task Force ARP : Aerospace Recommended Practice ASN : Abstract Syntax Notation ARP : Automated Route Planning ASN 1 : Abstract Syntax Notation One ARPA : Advanced Research Project Agency ASNO : Approach Sequence Number ARPL : ADEXP Format Repetitive Flight Plans Message ASO : Air Surveillance Officer ARQ : Automatic error Correction ASOC : Air Sovereignty Operations Centre ARQ : Automatic Request Repeat ASOC : Army Support Operations Centre ARQ : Automatic Response to Query ASOP : Airspace Organisation and Procedures ARR : Arrive or Arrival or Arrival Message ASOS : Automatic Surface Observing System ARR SP : Arrival Sequence Planner ASP : Adjustable System Parameter ARS : Aeronautical Radio Navigation Service ASP : Aeronautical Fixed Service Systems Planning for ARS : Avoidance Routing Scheme Data Interchange Panel ARS : Special air-report (message type designator) ASP : Air Space ARSA : Airport Radar Serve Area ASP : AIRCOM Service Processor (SITA) ARSC : Air Rescue Sub Centre ASP : Arrival Sequence Planner ARSR : Air Route Surveillance Radar asp : assigned speed ARST :Arresting (specify (part of) aircraft arresting ASPH : Asphalt equipment) ASPP : Aeronautical Fixed Service Systems Planning for ART : Analysis and Replay Tool Data Interchange Panel ARTAS : Air Traffic Management Surveillance Tracker and ASQF : Application Specific Qualification Facility (part of Server System EGNOS) ARTAS TF : ARTAS Task Force ASR : Airport Surveillance Radar (TAR) ARTCC : Air Route Traffic Control Centre ASR : Altimeter Setting Region Artemis : An ESA experimental telecommunications ASRS : Aviation Safety Reporting System satellite hosting an EGNOS navigation transponder ASRT : Air Support Radar Team ARTES-9 : Advanced Research in Telecommunication ASSR : Assigned SSR code (FPPS/DECADE) Systems ASTA : Airport Surface Traffic Automation ARTS : Area Radar Training Squadron ASTER : Aviation Safety Targets for Effective Regulation ARTS : Automated Radar Terminal System ASTERIX : All-purpose Structured Eurocontrol Radar ARU : Archive to UNIX Information Exchange. ARU : Airspace Reservation Unit ASTP : ADS Studies and Trials Project AS : Airspeed ASW : Anti Submarine Warfare AS : Airspace ASW : Air Situation Window AS : Altostratus AT At (an altitude) AS, A-S : Anti-Spoofing AT : Actual Time Count Down ASA : Aircraft Situation Awareness AT : Air Transport ASA : Automated Support to ATC AT : At Time ASA : Automatic Slot Assignment AT…: At (following by time at which weather change is ASA System : Automatic Slot Assignment System forecast to occur) ASAP : Aircraft Separation Assurance Programme AT : Austria (ISO Country Code) ASAP : As soon as possible / practicable AT : Royal Air Maroc (airline) ASARS : Air Surveillance Airborne Radar System ATA : Actual Time of Arrival ASAS : Airborne Separation Assurance System ATA : Air Transport Association (of America) ASC : Ascend to or Ascending to ATAC : Airspace Traffic Data Capture ASCAP : Automatic SSR Code Assignment Procedure ATAF : Allied Tactical Air Force ASCB : Avionics Standard Communication Bus ATAFF : Air Traffic Arbitrated Free Flight ASCII : American Standard Code for Information ATAG : Air Transport Action Group Interchange / Exchange ATAR : Automatic Air Reporting ASCOT : Airport Slots Compliance Tools ATARS : Automatic Traffic Avoidance and Resolution ASDA : Accelerated Stop Distance Available System ASDAR : Aircraft to Satellite Data Relay ATAS : Air Traffic Advisory Service ASD : CFMU/ENGD - Architecture & System Design ATC : Air Traffic Control Section ATCA : Air Traffic Control Association (US) ASDE : Airport Surface Detection Equipment ATCA : Allied Tactical Communications Agency ASD-TF : Air Situation Display Task Force ATCA : Air Traffic Control Assistant ASE : Altimetry System Error ATCAP : Air Traffic Control Automation Panel (ICAO) ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 7 AAA (All Aviation Abbreviations) www.flyingineurope.be

ATCAS : (Sweden) ATC Automated System CASA) ATCC : Air Traffic Control Centre ATO : Airborne Traffic Observation ATCC : Air Traffic Control Clearance ATOC : Allied Tactical Operations Centre ATCCC : Air Traffic Control Command Centre ATOPS : Advanced Transport Operating System ATCEUC : Air Traffic Controllers European Unions Co- ATOT : Actual Take Off Time ordination ATP : At…(time or place) ATCgram : Illustration in graph form of the main functional ATRAC : Air Navigation Services Employee Training levels of ATC systems Concept ATC-HMI : Air Traffic Control Human Machine Interface ATRACC : ATC System for Riga Area Control Centre ATCI : Airport ATC and Information systems ATRK : Alone Track Error ATCO : Air Traffic Controller or Air Traffic Control Officer ATS : Air Traffic Services ATCRBS : Air Traffic Control Radar Beacon System ATS : Automatic Throttle System ATCRU : Air Traffic Control Radar Unit ATSA : Air traffic Services Authority (Bulgaria &Croatia) ATCS : Air Traffic Control Service AT-SAT : Air Traffic Selection and Training ATCS Advanced Train Control Systems ATSD : Air Traffic Situation Display ATCSCC Air Traffic Control System Command Center ATSC Air Traffic Service Communications ATCSQ : ATC Safety Questionnaire (Communications related to air traffic services. This ATCT : Airport Traffic Control Tower includes ATC, aeronautical and meteorological ATCU : Air Traffic Control Unit information, position reporting and services related to ATD : Actual Time of Departure safety and regularity of flight) ATD : Along Track Distance ATSEP : Air Traffic Safety Electronics Personnel ATDS : Airborne Tactical Data System ATSIS : Air Traffic Services Investigation System ATE : Automatic Test Equipment ATSN : Air Traffic Service Network ATFC : Air Traffic Flow Controller ATSO : Air Traffic Services Operator ATFM : Air Traffic Flow Management ATSORA : Air Traffic Services Outside Regulated ATFM : CFMU/DEVD - ATFM Application Section Airspace ATFMC : Air Traffic Flow Management Communications ATSP : Air Traffic Service Providers ATFMO : Air Traffic Flow Management Organisation ATSSD : ATS Standards Department ATFMP : Air Traffic Flow Management Position ATSU : Air Traffic Service Unit ATFMS : Air Traffic Flow Management System ATSup : Air Traffic Supervisor ATFMU : Air Traffic Flow Management Unit ATT : Along Track Tolerance ATFR : Air Traffic Flow Regulator ATT : Attitude Indicator ATG : Air Traffic Generator ATTN : Attention ATHR Autothrust System ATWR : Apron TWR ATI : Automatic Tracking Initiation ATYP : Aircraft Type ATIC : Administrative and Technical Inspection Committee ATZ : Aerodrome Traffic Zone (Agency structure) AU : Arbitrary Unit ATIF : ATN Trials Infrastructure AU : Australia (ISO Country Code) ATILO : Administrative Tribunal of the International Labour AUA : ATC Unit Airspace Organisation Aud : Audio aids ATIS : Automatic Terminal Information Service AUP : Airspace Use Plan ATLAS : Air Traffic Land and Air Study [or Airborne AUS : Airspace Utilisation Service Systems] (European Commission) AUSOTS : Australian Organised Track Structure Atm : Tyre Pressure (KG/cm3) AUSTRO CONTROL : Österreichische Gesellschaft für ATM : Air Traffic Management Zivilluftfahrt mbH (AT) ATM : Air Transportation Management AUTH : Authority ATM : Asynchronous Transfer Mode AUTH : Autorized or Authorization ATM 2000+ : Eurocontrol ATM Strategy for the Years AUTOB : Automatic Weather Reporting System 2000+ AUTOCAD : Automatic Computer Aided Design ATMAS : Air Traffic Management Automated System (It. AutoNav : Auto-Navigation ATFM) AUTOVON : Automatic Voice Network ATMC : Air Traffic Management Centre AUW : All Up Weight ATMCP : ATM Operational Concept Panel (ICAO) AUX : Auxilliary ATMCT : Air Terminal Movement Control Team Centre AV : Audio-visual aids (NATS UK) AV : Avianca ATMG : Air Traffic Management Group AVAIL : Available ATMO : Air Traffic Management Organisation AVBL : Available ATMOS : Air Traffic Management Operating System A-VASIS : Advanced Visual Approach Slope Indicator ATMS : Advanced Air Traffic Management System System ATN Aeronautical Telecommunications Network (the AVENUE : ATM Validation Environment for Use towards collection of ground subnetworks, air/ground subnetworks EATMS and airborne subnetworks interconnected by ATN routers AVG : Average that support computer-to-computer, internetwork AVGAS : Aviation Gasoline communication and message transfer between host AVHRR Advanced Very High-Resolution Radiometer computers using the OSI ISO protocol architecture) AVI : Audio/Video Interleaved ATN EURET : see EURATN AVOL : Aerodrome Visibility Operational Level ATN RD : Aeronautical Telecommunication Network AVPAC : Aviation VHF Packet Communications Routing Domain AW : Area Width ATN RDC : Aeronautical Telecommunication Network AW : Aerial Work Routing Domain Confederation AW/P : Active Way Point ATNC : ATN and Communication Architecture AWACS : Airborne Warning and Control System ATNI : Aeronautical Telecommunication Network Internet AWAS Automated Weather Advisory Station ATNP : Aeronautical Telecommunication Network Panel AWIPS Advanced Weather Interactive Processing System (ICAO) AWIR : Automatically generated What-If Re-routing ATNSI : ATN System Inc. (US) AWOG : All Weather Operations Group ATO : Actual Time Overhead of Overflying (CFMU - AWOP : All Weather Operations Panel (ICAO) ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 8 AAA (All Aviation Abbreviations) www.flyingineurope.be

AWOS : Automatic Weather Observing System BIAC : Brussels International Airport Company AWP : Ancillary Working Position BIF : Deliver Implementation Benefits Faster (EATCHIP AWP : Arrival Waypoint Adaptation) AWR/Rn : Alternative flight plan on the basis of the Aircraft BIRDTAM : NOTAM on Bird Activity Operator „What-If“ Re-route Function (AOWIR), whereby BIS : Boundary Intermediate System „n“ designates the current number of the AOWIR BIST : Build-In Self Test alternative flight plan BIT : Built-In Test AWTA : Advise at What Time Table BITE : Built-In Test Equipment AWX : All Weather BKN : Broken (meteo) AWY : Airway BL : Blowing (meteo) AY : Finnair (airline) BLDG : Building AZ : Aerodrome zone BLO : Below clouds AZ : Alitalia (airline) BLW : Below AZ : Azerbaijan (ISO countries Codes) BMUN : Better Meet User Needs (EATCHIP Adaptation) AZM : Azimuth BN : Backbone Node (RMCDE/ RADNET) BNC : Backbone Network Computer -B- BND : Bound BNF : Backus Naur Form B : At or Below (constrained altitude) BNL : Benelux B : Belgium BOI : Biographical Oriented Interview B : Blue BOMB : Bombing B&D : Bearing and Distance BOS : Behaviour anchored Rating Scales B&H : Bosnia and Herzegovina BP : Business Plan B/C : Benefit / Cost BPF : Band Pass Filter B/CRS : Back Course BPN : Boundary Point of Entry BA : Barometric Altitude bps : bits per second BA : Bosnia and Herzegovina (ISO Country Code) BPS : Boundary Point Sector BA : Breaking Action BPSK : Binary Phase Shift Keying BA : British Airways (airline) BPSX : Boundary Point Sector Exit BAA : British Airport Authority BR : Mist (meteo) BADA : Base of Aircraft Data ; Aircraft performance Data BR : Brazil (ISO Country Code) Base BR : Eva Air (airline) BAF : Belgian Air Force BRA : Basic Rate Access BA FAIR : Braking action Fair BRA : Bearing, Range and Altitude BALPA British Air Line Pilots Association BRF : Short (used to indicate the type of approach desired BA NIL : Braking Action Nil or required) BA POOR : Braking Action Poor BRG : Bearing BARS : Behaviour Anchored Rating Scales BRITE : Basic Research in Industrial Technologies for BARTCC : Berlin Air Route Traffic Control Centre Europe = EURAM BASE : Cloud Base B-RNAV : Basic Area Navigation Base AM : Base Arrival Manager BRNAV : Basic Air NAVair Traffic Control Unit Base AMD : Base Arrival Manager Display BRKG : Braking BASIS British Airways Safety Information System BRT Brightness BAST : Basic ATC Skills Trainer BS : Band Stop (ACS) BATAP : `Type-B' Application To Application Protocol BS : BootStrap (RADNET Introduction - MAS) BAZ : Bundesamt für Zivilluftfahrt (Austria) (AT) / Austrian BS : Commercial Broadcasting station aviation authority BSC : Binary Synchronous Communications BC : Patches (meteo) BSP : Aircraft Parameter Downlink (service) BC : Back Course BSS : Best Signal Selection BCA : Border Crossing Authority BSU : Beam Steering Unit B-CAS : Beacon Collision Avoidance System BTC : Basic Training Course BCBP : Bilateral Communication Plan Co-ordination BTEC : Business and Technician Education Council BCD : Binary-Coded Decimal BTH (R) : Beyond the Horizon (Radar) BCFG : Fog Patches BTL : Between Layers BCMT : Beginning of Civil morning twilight BTN : Between BCN : Beacon BVR : Beyond Visual Range BCST : Broadcast BW : Bandwidth Bd : Baud BWP : Budget and Work Programme Planning BD : British Midland (airline) BY : Belarus (ISO countries Codes) BDP : Brussels ACC Computer BYD : Beyond BDR : Battle Damage Repair BDRY : Boundary -C- BE : Belgium (ISO Country Code) BECMG : Becoming (meteo) C : Centre (runway indentification) BEM : Boundary Estimate Message (SARP) C : Degree Celcius BENELUX : Belgium, Netherlands and Luxembourg C/A Code : Course / Acquisition Code BER : Bite Error Rate C/d : Capacity demand ratio BERM : Snowbank(s) Containing Earth/Gravel C/M : Carrier-to Multi-Path Ratio BF MarkAir C/N : Carrier-to-Noise Ratio BFD : Basic Flight Data message C/N0 : Carrier-to-Noise-Density Ratio BFL : Blocked Flight Level Area C/S : Call Sign BFR : Before C102 (TSO) : Helicopter Radar Approach, Issued 04/02/84 BFWG : Budgetary and Financial Working Group (RTCA DO-172, Issued 03/83) BG : Bulgaria (ISO Country Code) C104(TSO) : Microwave Landing System (MLS) Receiving BGD : Background Equipment, Issued 06/82 (RTCA DO-174, Issued 03/82) BHL-System : (Name of HR-registration system) C105(TSO) : Optional Display For Weather Radar, Issued ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 9 AAA (All Aviation Abbreviations) www.flyingineurope.be

06/84 (RTCA DO-174, Issued 03/81) CAAS : Class A Airspace C110(TSO) : Airborne Thunderstorm Detector, Issued CAAS : Computer Aided Approach Sequencing 01/01/01,(RTCA DO-187, Issued 11/84 CAB : Civil Aeronautics Board C115(TSO) : RNAV Equipment Using Multi-Sensor, Issued CAC : Centralised Approach Control 06/86 (RTCA DO-187, Issued 11/84) CAD : Computer Aided / Assisted Design C118(TSO) : Airborne TCAS I Equipmen4 Issued 08/88 CADAS : Computer Controlled Avionics Data Acquisition (RTCA DO-197, Issued 3/87) System C119(TSO) : Airborne TCAS II Equipment (RTCA Do-185, CADF : Centralised Airspace Data Function (ECAC) Issued 09/83) CADIN : Czech Automated Data Interchange Network C120(TSO) : RNAV Equipment Using OMEGA/VLF, CADS : Combined Arrival and Departure Issued 01/88 (RTCA DO-185 issued 9/83) Sequencing/Study (APATSI) C2 level : Security level in the United States Department CADS : Computer aided Departure System of Defense CAE : Computer Aided Engineering C31d(TSO) : High Frequency (HF) Communications CAEP : Committee on Aviation [Environmental] Protection Transmitting Equipment, Issued 04/84 (RTCA DO-163, Emissions Operational (Measures Working Group, WG/4) ; Issued 03/76) Commission on Aviation Environmental Protection (ICAO) C32d(TSO) : High Frequency (HF) Communications CAERAF : Common American-European Reference ATN Receiving Equipment, Issued /83 Facility C34e(TSO) : ILS Glide Slope Receive Equipment, Issued CAI : Civil Aviation Inspection 01/88 (RCTA DO-192, Issued 07/86) CAI : Computer Assisted Input C35d(TSO) : Radio Marker Receiving Equipment, Issued CAIIS : Computer Aided Imagery Interpretation System 04/71 (RTCA DO-143, Issued 01/70) CAIR : Confidential Aviation Incident Reporting C36e(TSO) : ILS Localizer Receiver Equipment, Issued CAIRDE : Civil Aviation Integrated Radar Display 01/88 (RTCA) DO-195, Issued 11/86) Equipment (IRE) C37d(TSO) : VHF Comm transmitting Equipment, Issued CAL : Computer Aided Learning 08181 (RTCA DO-157, Issued 08/81 (RTCA DO-157, CALLSGN : Callsign Issued 08/74) CALM : Computer Assisted Landing Management System C38c(TSO) : VHF Comm Receiving Equipment; Issued CALS : Computer-aided Acquisition and Logistic Support 08/81 (RTCA DO-156, Issued 08/74) CAM : Computer Aided Manufacturing C38d(TSO) : VHF Comm: Receiving Equipment, Issued CAM : Conflict Alert Message 08/81 (RTCA DO-186, Issued 1/84) CAMI : Civil Aeromedical Institute C3CM(TSO) : Command, Control and Communications CAMOS : Central ARTAS Maintenance & Operational Countermeasures Support C3T : Controller Tools and Transition Trials. See EVP. CAMPS : Computer Aided Message Processing System C40c(TSO) : Airborne VOR Receiving Equipment, Issued CAMUS : Czech Automated Multi radar System 01/88 (RTCA DO-1996, Issued 11/86) CAN Proj. : Croatian Air Navigation Project C41d(TSO) : Airborne ADF Equipment, Issued 05/86 CANAC : Computer Assisted National ATC Centre (B) (RTCA DO-179, Issued 05/82) CANSO : Civil Air Navigation Services Organisation C50c(TSO) : Audio Selector Panel and Amps, Issued CAO : Computer Assisted Operations 01/83 (RTCA DO-170, Issued 01/80) CAOFA : Co-ordination of Air Operations in the Forward C57a(TSO) : Headsets And Speakers, Issued 01/83 Area (RTCA DO-170, Issued 01/80) CAP : Combat Air Patrol C58a : Aircraft Microphones, Issued 01/83 (RTCA DO-170, CAP : Controller Access Parameters Issued 01/80) CAPAN : Capacity Analyser C59 : Selective Calling (SELCAL) Equipment, Issued CAPC : Civil Aviation Planning Committee 01/01 (RTCA DO-93, Issued 2/59) CAPE : Computer Assisted Planning Experiment C60b : RNAV Equipment Using LORAN -C, Issued 05/88 CAPP : CFMU/DEVD - Client Applications Section (RTCA DO-194, Issued 11/86) CAPSIN : CAA Packet Switched Integrated Network (UK) C63c : Airborne Weather Radar, Issued 08/83 (RTCA DO- CAR : Caribbean Region 173 Issued 11/80) CARAT : Computer-Aided (Assited) Route Allocation Tool C65a : Doppler Radar Air Speed Equipment, Issued 08/83 CARD : CNS Applications - Research and Development (RTCA DO-158, Issued 11/75) CARD : Conflict And Risk Display (ODID) C66b : Airborne DME (Distance Measuring Equipment), CARE : Co-operative Actions of ATM Research and Issued 08/81 (RTCA DO-1514, Issued 04/60) Development in Eurocontrol C67 : Airborne Radar Altimeters, Issued 11/64 (RTCA DO- CARFE : Conference on Airport and Route Facility 103, Issued 4/60) Economics (ICAO) C68a : Dead Reckoning Computer Equipment, Issued CART : Classification And Regression Trees 08/83 (RTCA DO-158, Issued 10/75) CAS : Calibrated (Computed) Air Speed C74e : Airborne ATC Transponder Equipment, Issued CAS : Close Air Support 01/01 (RTCA DO 161A, Issued 05/76) CAS : Collision Avoidance System C87a : Low Range Radar Altimeters, Issued 01/01 (RTCA CAS : Computerised Assessment System DO-155, Issued 01/74) CASA : Computer Assisted Slot Allocation C91a : Emergency Locator Transmitter, Issued 04/85 CASE : Computer Aided Software Engineering (RTCA DO-183, Issued 5/83) CASI : CFMU Aircraft Situation Image C92b : Ground Proximity Warning (GPWS) Equipment, CASOR : Civil Area Services Operations Room 01/01 (RTCA DO-161A, Issued 05/76) CAST : Consequences of future ATM systems for air traffic C94a : OMEGA Receiving Equipment, Issued 08/81 controller Selection and Training (RTCA DO-164A, Issued 09/79) CASTA : Controller Associate for Strategic and Technical C : Centigrade Advice CA : Canada (ISO Country Code) CAT x : Category x Precision Approach (I, II of III) CA : Civil Aviation CAT I Facility providing operation down to 200 feet CA : Conflict Alert decision height and runway visual range not less than CA : Course to an Altitude (ARINC 424 Path Terminator) 2600 feet. CAA : Civil Aviation Authority (Great Britain) CAT II Facility providing operation down to 100 feet CAAC : Civil Aviation Authority of China decision height and runway visual range not less than 1200 feet. ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 10 AAA (All Aviation Abbreviations) www.flyingineurope.be

CAT II a Facility providing operation with no decision CDA : Conflict Display Area. Coordination Approval / height limit to and along the surface of the runway with CoorDination Acceptance (message) external visual reference during final phase of landing and CDA : Current Data Authority (ICAO) with a runway visual range not less than 700 feet. CDB : Central Data Base Cat : Category CDG : Roissy Charles-de-Gaulle Airport CAT : Clear Air Turbulence CDI : Coordination Information CAT : Computer Aided Testing CDI : Course Deviation Indicator CAT : Commercial Air Transport CDM : Collaborate (Cooperative) Decision Making (central CAT : Computer Assisted Teaching / Training supporting features of gate to gate, and for enhancing CAT : Continuous Attention Task capacity [airports]) CATCAS : Copenhagen Air Traffic Control Automated CDMA : Code Division Multiple Access System (DK) CDN : Airspace Crossing Co-ordination Message / Co- CATCO : Chief ATC Operations ordination (message type designator) CATIA : TF on CNS/ATM Implementation Aspects CDP : Central Data Processing CATSA : Croatian air Traffic Services Authority CDP : Computer Diagnostics Program CATSIM : CAA Air Traffic Simulator (UK) CDPS : Central Data Processing System C-ATSU : Controlling ATS Unit CDR : Coded Departure Routes. Predefined routes used to CAUTRA : Automated Computer System for Air Traffic route air traffic around areas of severe weather. CAVOK : Clouds and Visibility OK (Visibility, cloud and CDR : Conditional Route presend weather better than prescribed values or CDR : Conflict Detection and Resolution conditions) CDR : Co-ordination Request (message) CB : Central Battery CDR : Critical Design Review CB : Suckling Airways (airline) CDRL : Contracts Data Requirements List (MAS/DFS - CB : Cumulonimbus (meteo) ODS) CBA : Cost Benefit Analysis CD-ROM : Compact Disk / Read Only Memory CBA : Cross Border Area CDS : Controller Display Support CBAS : Class B Airspace CDSEPT : Committee to Develop Standards for CBSA : Class B Surface Area Educational and Psychological Testing of The American C-Band : Frequency Band Educational research Association, The American CBI : Computer Based Instruction Psychological Association, and The National Council on CBN : Common Backbone Network (subnetwork RAPNET Measurement in Education. = system of the national ATS, DFS = PSN) CDT : Command Delivery Time CBPM : Computer-Based Performance Measure CDTI : Cockpit Display of Traffic Information CBS : Cost/Benefit Studies CDTS : Console Detailed Technical Specification CBT : Computer Based Tool CDU : Control and Display Unit (pilots' interface to the CBT : Computer Based Training FMS) CC : Contractual Conditions CE : Committee of Management CC : Cirrocumulus CE : European Commission / Commission européenne CCA : (or CCB, CCC..etc..in sequence) corrected CEAC : Committee for European Airspace Co-ordination meteorological message (message type designator) (NATO Group) renamed on 27.4.98 by the North Atlantic CCAS : Class C Airspace Council (=NATMC) CCB : Change Control Board CEAS : Class E Airspace CCC : Cellular CNS Concept CEATS : Central European Air Traffic Services (Austria, CCC : Central Computer Complex Croatia, Czech Republik, Hungary, Italy, Slovakia and CCC : Command, Control and Communications Slovenia [Bosnia, Herzegowina]) CCC : Common Core Content (of ATC Training) CEATS LSG : Central European Air Traffic Services Legal CCCC : Cross Channel Co-ordination Centre Sub Group CCCI, C3I : Command, Control, Communications and CEATS UAC : Central European Air Traffic Services Intelligence (network) Upper Airspace Control Centre CCDS : Code Callsign Distribution System CEC : Commission of the European Communities ; CCF : Centralised Control Function (LATCC) European Commission / Commission des Communautés CCFT : Cold Cathode Fluorescent Tube Européennes (=CEE) ; Commission européenne CCG : CEATS Co-ordination Group CEECs : Countries of Central and Eastern Europe ; C-Channel : Circuit Mode Channel Central and Eastern Europe Countries CCIP : Code-Callsign Input Position CEF : Capacity Enhancement Function CCIS : Closed Circuit Information System CEFA : Co-operation for Environmentally Friendly Aviation CCL : Code Callsign List (ERA, ACI, AEA, AECMA, EBAA, EUROCAE) CCLKWS : Counterclockwise CEO : Chief Executive Officers CCM : Computerized Control and Monitoring CEP : Circular Error Probable CCMS : Committee on the Challenges of Modern Society CER : Cancel Emergency Mode Request CCP : Circuit Switched Public Data Network CES : Central and Eastern European States CCP : Configuration Control Plan CESA : Class E Surface Area CCR : Cancel Contract Request CESAR : Course Evaluation Sheets Analysis and CCS : Code CallSign Reporting CCSA : Class C Surface Area CESC : Chief Executive Standing Conference (see CEO) CCTV : Closed Circuit TeleVision CEU : Central Executive Unit (ATM / CFMU) CCW : Counter-Clockwise CEU-E : Central executive unit with Responsibility for CD : Candela Eastern Europe CD : Conflict Display (ODID) CEU-W : Central executive unit with Responsibility for CD : Council Directive Western Europe CD : Course to a DME Distance (ARINC 424 Path CEW : Civil Engineering Works Terminator) CF : Change frequency to…. CD&A : Conflict Detection and Avoidance CF : Course to a Fix (ARINC 424 Path Terminator) CD2 : Common Digitizer 2 CFAR : Constant False Alarm Rate (or Regulation) CD-2 : Transmission format for radar data CFB : Central Flight plan Bank CDA : Client Defined Area CFCF : Central Flow Control Facility ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 11 AAA (All Aviation Abbreviations) www.flyingineurope.be

CFD : Change to Flight Data Message CLA : Clear type of ice formation CFDS : Central Flight Data Suite (PALLAS system) CLA : OCM Clearnace Echoback Message (message in CFE : Customer Furnished Equipment the OCM Service) CFEP : Communications Front End Processor CLB Climb Detent of the Thrust Levers CGL : Circling Guidance Light(s) CLBR : Calibration CFIT : Controlled Flight into Terrain CLD : Cloud CFL : Cleared (Current) Flight Level CLD : DCL Clearance Message (message in the DCL CFM : Central Flow Management (services) Service) CFM : EEC business area - support to ATFM CLG : Calling CFMU : Central Flow Management Unit CLIMAX : Multi-station carrier offset mode, with voting CFMUSC : CFMU Steering Committee override CFTPD : Central File of Transponder Performance Data CLKWS : Clockwise (ECC) CLNP : Connection Less Network Protocol CFR : Code of Federal Regulations CLNS : Connection Less Network Service CG : Center of Gravity CLR : Clear or cleared to or clearance CGAS : Class G Airspace CLSD : Closed CGS Centimeter-gram-second CLTP : Connection Less Transport Protocol CH : Channel CLW : Communications List Window CH : Switzerland (ISO Country Code) CLX : OCM Clearance Message CHA : Character cm : Centimeter CHAID : Chi Square Automatic Interaction Detection CM : Configuration (Context) Management CHAN : Channel CM : Common Memory (CBN - CNG) Chap. : Chapter CM : Conformance Monitoring CHG : Change Message CM : Critical Milestone (MAS/DFS - ODS) CHG : Change of Modification CMA : Central Monitoring Agency (NAT) CHI : Computer-Human Interface CMA : Context Management Application CHIEF : Project Switzerland (CH), Italy (I), Spain (E), CMB : Climb France (F) CMB : Combined (PSR and SSR) CHIRP : Confidential human Factors Incident Reporting CMC Central Maintenance Computer Programme CMC : Central Master Clock CHMI : CFMU Human Machine Interface CMC : Constant Mach Blimb CI : Cirrus CMCSG : Civil and Military Co-ordination Sub-Group CI : Configuration Item CMG : Crisis management Group Cl : Cost Index CMIC : Civil Military Interface Standing Committee (New CI : China Airlines (airline) Convention) CI : Course to Intercept (ARINC 424 Path Terminator) CMIP : Contract Management and Inspection Procedures CIA : CFMU Internet Application CMIS/CMIP : Common Management Information System / CIADN : Croatian Integrated Aeronautical Data Network Protocol CIC : Clearances and Information Communications CMMC : Central Monitoring and Management Centre CICT : Convergence and Implementation Coordination CMMC : Common Maintenance Monitoring and Control Team (renaming of SICT) CMOS : Complementary Metal Oxid Semiconductor CID : Computer Interface Device CMPL : Completed or Completion or complete CIDIN : Common ICAO Data Interchange Network CMS : Central Message Switch CIEL : Common Interface Exchange Language CMS : Common Modular Simulator (CMTP) CIG(s) : Ceiling(s) CMSA : Carrier Sense Multiple Access (ICAO-ADS) CIM : Customer Information Management CMSND : Commisissioned CIMIL : Civil/Military Co-ordination CMT : Core Management Team CINCAT : Capacity Increase through Computer Assistance CMT : Critical Milestone Test (MAS/DFS - ODS) Tools CMTP : Common Medium Term Plan CINCENT : Commander in Chief Central Europe CMU : Communications Management Unit CINTIA : Control of Inbound Trajectories of Individual CMV : Coverage Measurement Volume Aircraft CN : Change Notice CIO : Conventional International Origin CN : China (ISO Country Code) CIP : CFMU Implementation Plan CN : Common Network (INTNET/RADNET) CIP : Convergence and Implementation Programme CN : Permanent Commission for the safety of air CIS : Commonwealth of Independent States (States of navigation former USSR) CNACC : Common National Area Control Centre CIS : Cooperative Independent Surveillance CNATCC : Common National Air Traffic Control Centre CIS : Critical Incident Stress (Bulgaria) CISD : Critical Incident Stress Debriefing CNG : Common Network Group CISM : Critical Incident Stress Management (HRT) CNL : Cancel(lation) message (ICAO) CISMO : Centralised International System Management CNS : Communication, Navigation and Surveillance Organisation CNS : Study Group of Alternates CIT : Compressor Inlet Temperature CNS/ATM : Communication, Navigation and Surveillance / CIT : Critical Incidence Technique Air Traffic Management CIT : Near or over large towns CNS/ATM-1 : Communication, Navigation and CITRAC : Common Interface for Trajectory Calculation Surveillance / Air Traffic Management Package 1 CIU : Cabin Interface Unit CNTRLN : Centerline CIV : Civil CO : Connection Mode Service CJEC : Court of Justice of The European Communities CO Continetnal (=CJEC, COJEC now European Court of Justice) COBALT : Common Objective Alignment Team CJI : Controller Justification Indicator COBT : Calculated Off Block Time CK : Check COC : Combat Operations Centre or Concept CL : Centre Line COCESNA : Central American Corporation For Air CL : Cleared Navigation Service CL : Connectionless Mode Service COCOS : Computer Controlled SSR Code Assignment ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 12 AAA (All Aviation Abbreviations) www.flyingineurope.be

Procedures COSAAC : Common Simulator to Assess ATMF Concepts COD : Common Medium-Term Plan Overview Document COSP : Connection Oriented Session Protocol CODA : Central Office of Delay Analysis COSPAS : Space system for the search of vessels in CODE : Aircraft address (expressed in the form of an distress (translate. from Russian) alphanumerical code of six hexadecimal characters) when COST : (European) Cooperation in the Field of Scientific required by the appropriate ATS authority and Technical Research CODEC : Coder/Decorder (ACS) COSU : CFMU/ENGD - Core Systems Unit CoE : Centre of Expertise COSYNUS : AIRBUS Training Database COF : Change of Frequency COT : At the Coast COFA : Comando Operacional Força Aérea (PT) COTP : Connection Oriented Transport Protocol COFAR : Common Options for Airport Regions COTR Contracting Officer's Technical Representative COFEE : Consolidated (Checked) Operational data COTS : Commercial Off-The-Shelf (System) FEEder COV : Cover or Covered or Covering COG : Coordination Group (meeting of the EANPG CP : Circular Polarisation Programme) ICAO CP : Conflict Probe (PATs) COHO : Coherent Oscillator CP : Contact Person (Eurocontrol) COLL : Collapse CP : Control Panel COLOC : Change of Location of Command CP : CWP Processor Unit COM : Cockpit Operating Manual CPA : Closest Point of Approach COM : Communications (ICAO) CPC : Constant Pitch Climb CoM : EUROCONTROL Committee of Management CPC : Control and Processing Centre COM/DIV : ICAO Communications Divisional Meeting CPCs : Certified Professional Controllers COM/MET : Communications / Meteorology Divisional CPCS : Cabin Pressure Control System Meeting CPD : Continuous Professional Development COM/OPS : Communications / Operations CPD : Coupled COMALF-E : Commander of Airlift Forces - Europe CPDLC : Controller Pilot Data Link Communications COMED : Combined Map and Electronic Display CPF : Central Processing Facility COMG : Communications Group CPI : Californian Psychological Inventory COMIL : Coordination Centre for Military Airspace Use CPL : Commercial Pilots License COMIL-1N : ATS Coordination Centre for Military Airspace CPL : Current Flight Plan (message) Utilisation - Phase 1 Network CPL : Customer Priority Listing (NOG) COMLAN : COMmunication Local Area Network CPR : Conflict Prediction and Resolution Comm-B : Mode S downlink format DF20 or 21 CPS : Central Print Service / Central Processing System COMNAV : Groupe de travail sur les Télécommunications CPS : Characters Per Second et les installations de navigation (CEAC) CPU : Central Processing Unit COMP : Operating Company CR : Central Region COMPAS : Computer Oriented Metering Planning and CR : Course to a VOR Radial (ARINC 424 Path Advisory System Terminator) COMSEC : Communications Security CR : Czech Republic COMT : Communications Team CR(A)OC : Central Region (Air) Operations Centre COMX : Undefined Future Communication System CRAF : Central Reservation Airspace Facility CON : Continuous CRAF : Civil Reserve Air Fleet CONC : Concrete CRAF : Computer Resolution Advisory Function COND : Condition CRAFS : Civilian Request for Airspace and Flight Data CONDAR : Conflict Detection and Resolution System CONDOR : Confidential Direct Occurence Report CRAM : Conditional Route Availability Message CONF : Conflict CRATF : Communications Requirements Analysis Task CONFACP : Conflict Accept Force CONOPS : Concept of Operations of Mode S in Europe CRC : Control and Reporting Centre CONP : Connection Oriented Network Protocol CRC : Cyclic Redundancy Check CONS : Continuous CRCO : Central Route Charges Office CONST : Construction or Constructed CRD : Conflict Risk Display CONT : Continue CRDA : Converging Runway Display Aid Cont'd : Continued CRDS : CEATS Research & Development & Simulation CONUS : Continental United States Centre COO : Coordinator CRDS : Colour Raster Scan Display COOR : Co-ordinate or coordination CREME : Creating the EATCHIP Management COORD : Co-ordination Environment COP : Change over Point CRF : Central Repair Facility (RMCDE - MAS) COP : Contingency Operations Plan CRITTER Civil Rotorcraft IFR Terminal-Area Technology COP : Co-ordination Point Enhancement Research COPG : Common Operating Procedures Group CRM : Cockpit / Crew Resource Management COPP : Connection Oriented Presentation Protocol CRM : Collision Risk Modelling (ICAO - ADS) COPS : Common Operational Performance Specifications CRM : Co-ordination Revision Message COR : Correct or Corrected or Correction CRMCS : Central RADNET Monitoring and Control System COR : Correlate CRNA : Centre Régional de la Navigation Aérienne CORA : Conflict Resolution Assistant (DGAC/DNA/SCTA, France) CorC++ : Computer language CRS : Contingency Routing System CORE : Controlled Requirements Expression CRS : Controller Route Sequence (FPPS/DECADE) CORE : CORE Requirements for ATM Working Positions CRS : Course COROM : Cognitive Competencies Model CRT : Choice Reaction Time CO ROUTE Company Route (also CO RTE) CRZ : Cruise CORUM : Training and Human Resources Consultancy CS : Callsign or Contract Signature Company CS : Cirrostratus COS : Chief of Staff CS : Collapsed Sector COS : Computer Operating Station CSAC : Cooperative Structural Airspace Concept (ICAO) ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 13 AAA (All Aviation Abbreviations) www.flyingineurope.be

CSAR : CFMU System Anomaly Report (FORM) CUP : CWP-Unit Processor CSC : Common Signalling Channel CUR : Current Sector or Centre or Controller CSCE : Conference on Security and Cooperation in CUST : Customs Europe CV : Curriculum Vitae CSCW : Computer Supported Co-operative Work CVFR : Controlled Visual Flight Rules CSD : Concept and System Domain CVO : Code Validity Overlap CSD Constant Speed Drive CVR : Cockpit Voice Recorder CSD : Context and Scope Document CVR : Console Voice Recorder CSD : Context Specification Document CVSM : Conventional Vertical Separation Minimum CSDT : Concept & Systems Development Team CVSRF Crew-Vehicle Simulation Research Facility (NASA CSDT : Context and System Domain Team Ames) CSEL : Combat survivor evader locator CW : Clockwise CSF : Critical Success Factor (EATMS, CSD) CW : Continuous Wave CSFR : Czech and Slovak Federal Republic CWAR : Continuous Wave Acquisition Radar CSI : Combined Safety Investigation CWBS : Contract/Complete Work Breakdown Structure CSI : Critical Success Indicator CWDPS : Central Weather Data Processing System CSM : Central Service Modules (RMCDE / RADNET) CWIR : CFMU Generated What-If Re-routing CSM : Chaotic Situation Management CWP : Controller Working Position CSMA : Carrier Sense Multiple Access CWS : Control Wheel Steering CSMA/CD : Carrier Sense Multiple Access with Collision CWS : Collision Warning System Detect CWY : Clearway CSN : Channel Sequence Numbers CX : Cathay Pacific Airways (airline) CSO : CFMU/ENGD/SOS - CFMU System Operations CY : Cyprus (ISO Country Code) HELPDESK Team CY : Cyprus Airways (airline) CSP : Communication Service Provider CYPRO : Cyprus Project for ATC Improvements CSPD Unit : CEATS Strategy, Planning and Development CYTA : Cyprus Telecommunications Authority Unit CZ : Czech Republic (ISO Country Code) CSPDU : CEATS Strategic Planning & Development Unit CZM : Conventional Zero Meridian CSR : Cursor CZW : Conflict Zoom Window (ODID) CSR : Customer Service Requests (NOG - database for DPN operators) -D- CSSR : Conventional SSR CSU : Control Sector Unit D…: Danger Area CSU-P : Centre Supervisor D : Day CT : Centre (select) D : Derated CT : Cooperative Tools (PATs) D : Downward (tendency in RVR during previous 10 CT : Core Tasks minutes) CT : Core Team D : Germany CTA : Calculate Time of Arrival D&D : Distress and Diversion CTA : Controlled-Time of Arrival D.O.T : Department of Transport CTA : Cognitive Task Analysis D/A : Digital-to-Analog CTA : Control Area (ICAO Term) D/D Drift Down CTAM : Climb to and maintain D/L : Data Link CTAS Center TRACON Automation System DA : Decision Altitude CTB : Co-operative Tube Based DA : Descent Adviser CTC : Cancel All Contracts And Terminate Connection DA : Dimensional Aspect Request (ICAO) DA : Direct Access (VCS) CTC : Centralized Train Central DA/H : Decision Altitude Height CTC : Contact DAA : Dynamic Airspace Allocation CTD : Calculated time of Departure DAAIS : Danger Area Activity Information Service CTF : Communication Task Force DAARWIN : Distributed ATM Architecture based on CTG : Common Training Group (of AISAP) RNAV, Workstations, Intelligent tools, and Networks CTI : Collegiate Training Initiative DABS : Discrete Address Beacon System (U.S.A) CTL : Control DAC : Deployable ACCS Component CTMO : Central Air Traffic Flow Management Organisation DAC : Direction Aviation Civile (ICAO concept) DAC : Dynamic Air Traffic Control Test CTN : Caution DACT : Dissimilar Air Combat Training CTO : Calculated Time Over DAF : Demand Adjustment Factors CTO : Computed Time Over (CFMU - CASA) DADC Digital Air Data Computer CTOT : Calculated Take Off Time DAFIF : Digital Aeronautical Flight Information File CTR : Center DAI : Direct Access Intercom (VCS) CTR : Civil Tilt Rotor DAISY : Distributed Airport Information System (RUN) CTR : Controller or Control Zone DAIW : Danger Area Altitude Warning (or Area Proximity CTRL Control Warning) CTRS : Common Time Reference System DALGT : Daylight CTS : Command Tracking Stations DAP : Directorate of Airspace Policy CTWUEC : Committe of Transport Workers' Unions in the DAP : Downlink Aircraft Parameter European Compmunity (now FST : Federation of Transport DAPs : Downlinked Aircraft Parameters Workers' Unions in the European Union = acronym formed DARC : Direct Access Radar Channel from its French title) DAS : Directorate ATM Strategies (Eurocontrol) CU : Control Unit DAS : DME Based Azimuth System CU : Cumulus DAS : Dual Attachment Station (ODS - FDDI) CUF : Cumuliform DASA, Dasa : Deutsche Aerospace CUG : Closed User Group DASR : Department of ATC Systems Research CUP : Computer Utility Program DAT : Differential Aptitude Test

DATALINK Digitized Information Transfer (air/ground) DED : Director EATCHIP Development (in the former DATAS : Datalink and Transponder Analysis System Agency structure) D-ATIS : Digital ATIS DEE : Data Entry Equipment DATS TF : Delegation of ATS Task Force (ANT) DEEC : Director of the Eurocontrol Experimental Centre D-ATSU : Downstream Air Traffic Service Unit DEFAMM : Demonstration Facilities for Airport Movement DAVINCI : Departure and Arrival Integrated Management Management (Alcatel) (F) System for Cooperative Improvement of Airport Traffic DEG : Data Environment Generator Flow Deg : Degrees (Radar Standard) DB : Data Base DEGS : Degrees dB : decibel DEI : Directorate EATCHIP Implementation (in the former DBC : Data Bank COMECON Agency structure) DBE : Data Bank EUROCONTROL DEL : Delete dBi : decibel with respect to an isotropic antenna DEL : Deliverable dBm : decibel, referenced to 1 milliwatt DEM : German Marks DBMS : Data Base/Data Bank Management System DEMETER : Distance Measuring Equipment Tracer DBS : Data Base System DEMETER : DME Metering (analysis tool for DME DBS Direct Broadcast Satellite coverage / NAVSEP) dBW : decibel, referenced to 1 watt Demo : Demonstration dBZ : decibel, units of reflectivity DEP TC : Departure Tactical Controller DC : Departure Clearance (ICAO) DEP : Depart, Departure (Message) DC, d.c. : Direct Current Electricity / Device Control DEPA : Departure Airfield DCA : Department of Civil Aviation (various countries) DEPCOS : Departure Coordination System DCA : Director(ate) of Civil Aviation DEP PROC : Departure Procedure DCAM : Department Civil Aviation of Malta DEP-VKL : Departure Controller DCC : Data Country Code (CCITT X.121 Structure) DER : Departure End of the Runway DCD : Double Channel Duplex DERA : Defense Evaluation and Research Agency (UK) DCDU : Datalink Control and Display Unit DERD-X : Display of Extracted Radar Data - Extention (- DCE : Data Circuit-terminating Equipment (RADNET / Mini Computer) RMCDE) DERD-X/XL : Display of Extracted Radar Data - DCE : Data Communications Equipment Expanded/Expanded with LAN DCF : Discounted Cash Flow DES : Data Exchange System DCF77 : German time standard, emitting on 77.5 kHz with DES : De-Suspension Message callsign DCF DES : Descent DCFEP : Data (Digital) Communications Front End DES : Draft Eurocontrol Standard Document Processor DESC : Descending DCIA : Dependent Convergent Instrument Approaches DEST : Destination Aerodrome (Airfield) DCKG : Docking DETF : Data Exchange Trest Facility DCL : Departure Clearance DE-TO PR Derated Takeoff Engine Pressure Ratio DCM : Decomposition and Consolidation Matrix DE-TO Nl Derated Takeoff Engine Fan Speed DCM : Document Configuration Management DETR : Department of the Environment, Transport and the (EATCHIP/EATM) Regions (UK) DCM : Downstream Clearance Message (Service) DETRESFA : Distress Phase DCMSN : Decommission DEV : Deviation DCMSND : Decommissioned DEV : Domain Executive View DCOS : Deputy Chief of Staff DEVD : CFMU – Development Division DCP : Display Control Panel DF : Direct to a Fix (ARINC 424 Path Terminator) DCPC : Direct Controller Pilot Communication DF : Direction Finding or Display Field (VCS) DCPs : Dedicated Personal Computers DF : Directorate Finance / Direction des Finances DCR : Design Certification Review DFDAU : Digital Flight Data Acquisition Unit DCR : Display Control Readout (EAS) DFDR Digital Flight Data Recorder DCRCO : Director Central Route Charges Office DFGS/C Digital Flight Guidance System/Computer DCS : Data Communications System DFIS : Data Link Flight Information Service (ICAO) DCS : Double Channel Simplex DFL : Division Flight Level DCT : Direct (Routing) DFL : Dynamic Flight Leg DCT-LB : Direct Telephone - Local Battery DFS : Detailed Functional Specification (CBN - CNG) DCTS : Digital Communications Terminal System (UACM) DFS : German ATC Corporation (Deutsche Flugsicherung DCU : Display Control Unit GmbH) DCW : Digital Chart of the World DFTI : Distance from Touchdown Indicator DDA : Downstream Data Authority DGAC : Direction Générale de l'Aviation Civile (F) DDB : Dynamic Databank/Database DGCA : Director General of Civil Aviation of ECAC DDC : Data Display Console Member States DDD : Detailed Design Document DGE : Director General Eurocontrol DDE : Dynamic Data Exchange DGNSS : Differential Global Navigation Satellite System DDL : Data Description Language DGOF : Director General's Office DDM : Data Display Monitor DGON : Deutsches German Institute for Navigation DDP : Declaration of Design Performance D-GPS : Differential Global Positioning System (ICAO - DDP : Distributed Data Processing ADS) DDU : Display Drive Unit DGS : Director General Secretariat DE : Germany (ISO Country Code) DGVII : Directorate General of Transport / European DEA : Data Exchange Agreement Commission Debrief : Debriefing DH : Decision Height DEC Digital Equipment Corporation DHMI : Devlet Hava Meydanlari Isletmesi (TU) / State DECADE : DFS/EUROCONTROL Common ATC Agency for Aisports and air Traffic Control (Turkey) Development (ESCO) DHP : Direct Host Processor DECCA : Hyperbolic Area Navigation System DHR : Directorate Human Resources DECR Decrement Di : Detectability ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 15 AAA (All Aviation Abbreviations) www.flyingineurope.be

DIADAM : Distributed ATM Data Management DOC : Designated Operational Coverage DIANS : Director Institute of Air Navigation Services DOC : Direct Operating Cost DIB : Directory Information Base DOC : Document (ICAO) DICE : Direct Course Error DoD MIL : Department of Defence - military DID : Direct Identification Data DoD : Department of Defence (US) DIF : Diffuse DODAR : Diagnosis, Options, Decision, Assessment and DIGEST : Digital Exchange Standards Revision DIL : Data Items List DOF : Date of Flight DILCS : Dedicated Intelligence Loop Circuits System DOI : Department of Industry DIN : Deutsche Industrie Norm DOM : Domestic DIR Direct DOP : Daily Operations Plan DIR/INTC Direct Intercept DOP : Dilution of Precision DIRA : Department for Interdisciplinary Relations of DORA : Directorate Operational Research and Analysis Aviation (UK) DIRCAM : Direction de la Circulation Aérienne Militaire DOS : Disk Operating System DIS : Data Displayed DOT Department of Transportation DIS : Directorate Infrastructure ATC Systems and Support D-OTIS : Data Link Operational Terminal Information (Eurocontrol, EATM) Service DIS : Distance DOTS : Dynamic Ocean Tracking System DISABLD : Disabled DP : Dewpoint Temperatue DISCR : Discrepancy DP : Discussion Paper DIS/HUM : ATM Human Resources Unit (also know as DP&P : Data Processing and Peripherals HUM unit) DPA : Distinguishing Path Attribute DIST : Distance DPC : Defence Planning Committee DIV : DIVert(ing) or DIVerging DPDG : Diplomatic and Protocol Drafting Group DK : Denmark (ISO Country Code) DPE : Digital Plot Extractor DL : Data Link dpi : dots per inch DL : Delta DPL : Deputy Project Leader DL : Delta Airlines (airline) DPL : Displayed Flight Plan DLA : Delay or Delayed (Message) DPL : Duplicate Plan DLA : ATS message indicator for delay (ICAO) DPS : ATM Data Processing System DLARD : Data Link Application Requirements Document DPS : Detailed Production Specification (Description) (ICAO) DPS : Distributed Processing System DLASD : DL Application System Document DPSADD-TF : Data Processing Systems Architecture DLCRD : Data Link Communication Requirement Description Document Task Force (ATD) Document DPSK : Differential Phase Shift Keying DLF : Data Link Frame DPT : Depth DLH : Deutsche Lufthansa (Germany) DPT : Dynamic Time-based Planning DLIC : Data Link Initiation Capability (ICAO) DR…: Low drifting (followed by DU SA or SN) DLL : Data Link Layer DR : Drifting (meteo) DLL : Delay Locked Loop DR : Dead Reckoning DLP Data Link Processor (the FAA's ground automation DR : Disaster Recovery system that supports the Mode S subnetwork (GDLP), DRA : Defense Research Agency (UK) internetwork (ATN router) and non-ATC data link DRAM : Dynamic Random Access Memory application processes) DRC : Defence Review Committee DLPU : Data Link Processing (Processor) Unit DRC : Dynamic Route Change DLR : German Aerospace Centre (formerly the `German DRCP : Data Reduction Computer Program Aerospace Research Institute) DRDF : Digital Readout Direction Finder DLS : Data Link Splitter DRF : Departure Flow Regulation DLT : Delete DRFT : Snowbank(s) caused by wind action DLY : Daily DRG : During DLW : Departure List Window (ODID) DRMS : Distance Root Mean Square DM : Maerks Air Denmark (airline) DRU Data Retrival Unit DM : Departure Manager (PATs) DRUG : Dutch Radars Users Group (NL-Eurocontrol) DMA : Decision Making Aids DRUM : Diagnostic Recorder for Usability Measurement DMA : Defense Mapping Agency DS : Data Source DMA : Direct Memory Access DS : Dust Storm (meteo) DMA : Divergence Monitoring and Alert DSA : Director(ate) Safety, Airspace, Airports and DMAN : Departure Manager Information Services (Eurocontrol, EATM) DMAS : Director Maastricht Control Centre DSA : Directory System Agent DMC : Display Management Computer DSAP : Destination Service Access Point (RMCDE / DMC : Detachment of Military Coordinators RADNET) DME : Distance Measuring Equipment DSB : Double Side Band (8.33 User Guide) DME/P : Precise DME DSC : Downstream Clearance DML : Data Manipulation Language DSCVHF : Digital Selective Calling - Very High Frequency DMR : Data Modification Reques DSF : Distribution and Switching Facility DMS : Database Management System DSI : Data Source Interface DMSTN : Demonstration DSI : Denmark Sweden Interface DMU : Data Management Unit DSM : Departure Suspense Message DNAs : ECAC Directors of Air Navigation DSP : Datalink Status Panel DNG : Danger or Dangerous DSP : Digital Signal Processor DNIC : Data Network Identification Codes (CCITT X.121 DSP : Domain Specific Part Structure) DSPLCD : Displaced DNS : Digital Network Signalling DSPY Display (annunciation on CDU) DNTKFX : DownTrack Fix DSS : Data Systems Specialist DSS : Decision Support System ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 16 AAA (All Aviation Abbreviations) www.flyingineurope.be

DSS : Direct Subsystem EAP : EATCHIP Alignment Process DST : Decision Support Tools EARTS : En-Route Automated Radar Tracking System DST : Direct Support Task EAS Equivalent Airspeed DSU : Data-Source Selector Unit EAS : EUROCONTROL Advisory Service / Division DSU : Direct Support Unit EAS : European AIS System DT&E : Development, Test and Evaluation EASA : European Aviation Safety Authority (Agency) DTAM : Descend to and maintain EASG : EASIE ATM Support Group DTE : Data Terminal Equipment (RMCDE) EASIE : Enhanced Air Traffic Management and Mode S DTED : Digital Terrain Evaluation Data (militaries ECAC) Implementation in Europe DTG : Date Time Group EAT : Expected / Estimated Approach Time DTF : Data Link Test Facility (ICAO) EATCFMU : European Air Traffic Central Flow DTG Distance-to-go Management Unit DTMF : Dual Tone Multifrequence (code) EATCHIP LO : EATCHIP Liaison Officer DTN : Data Transport Network EATCHIP OCD : Operational Concept Document DTP : Desk Top Publishing EATCHIP : European Air Traffic Control Harmonisation DTRT : Deteriorate or Deteriorating and Integration Programme (see EATM) DTS : Data Terminal Set EATCOS : ECAC TF on the Integration of European ATC DTS : Data Transmission System Systems DTU : Data Transmission Unit (VCS) EATF : EATMS Architecture Task Force DTVOR : Doppler Terminal VOR EATM : European Air Traffic Management Programme DTW : Dual Tandem Wheels (former EATCHIP) DU : Display Unit EATMP : The European Air Traffic Management DU : Dust (meteo) Programme DUA : Dedicated User Area EATMS : (Future) European Air Traffic Management DUA : Directory User Agent System DUAT : Direct User Access Terminal EATN : (European) Experimental Aeronautical DUAU : Data Update and Access Unit Telecommunication Network DUC : Dense Upper Cloud EAWDG : EATMS Architecture Workshop Drafting Group DUR : Duration EB : Eastbound DVAS : Documentation and Visual Aids Specialist EB : Executive Board (of the EUROCONTROL Agency) DVI : Direct Voice Input EBAA : European Business Aviation Association DVO : Direct Voice Output EBCDIC : Extended Binary Coded Decimal Interchange DVOR : Distance VOR Code DVOR : Doppler VOR EBP : Emergency Bypass Processor DVORTAC : Doppler VOR and Tacan EC : European Commission DVP : Development and Verification Platform (part of EC : European Community EGNOS) EC : Executive Controller (also referred to as `Radar DW : Dual Wheels Controller') DWP : Departure Waypoint EC : Eyes closed DYNAV : Dynamic Route Availability ECA : Executive Controller Assistant DZ : Drizzle ECAC : European Civil Aviation Conference DZ : Algeria (ISO countries Codes) ECAC area : European Civil Aviation Conference Area ECAC Reference Levels : European Civil Aviation -E- Conference Area Reference Levels ECAC Strategy : European Civil Aviation Conference E : East Strategy E : Spain ECAF : ECAC Centralised Airspace Facility E/D End-of-Descent ECAM : Electronic Centralised Aircraft Monitoring (airbone E/O Engine-Out display) E+M : signalling ECARDA : European Coherent Approach to Research and EA : Europe Airsports Technological Development for ATM EAA : European Aviation Agency ECBAG : EATCHIP Cost-Benefit Advisory Group EAC : East Assistant Controller ECC : EATCHIP Co-ordination Committee EACAC : Evolutionary AIR Ground Cooperative ATM ECC-AIRS : European Co-ordination Centre for Aircraft Concept Incident Reporting Systems (EC) EACG : European ATFM Consultation Group ECCG : Experimental Centre Consultation Group EACNSISG : EATCHIP Architecture and CNS eCE : enlarged Committee for Route Charges Infrastructure Sub-Group ECEF : Earth-Centered-Earth-Fixed EAD SGR : EAD Sub-Group ECET : End of Civil Evening Twilight EAD : Earliest Arrival Date ECG : EATCHIP Communication Gateway EAD : European AIS Database ECHO : EATCHIP CNS/ATM Holistic Model Using RM- EADCOS : EAD Co-ordination Group ODP EADI : Electronic Attitude Director Indicator ECHQ : Eurocontrol Headquarters EADTF : European AIS Database Task Force ECI : EAD Client Interface EAG : European ATFM Consultation Group and its two ECIP : European Convergence and Implementation Plan Subgroups (Operations and Systems Sub-Group) ECIPD : Document ECIP EAG : Event Analysis Group ECIT : EAD Client Interface Terminal EAIP / EAIP-TF : Electronic Aeronautical Information ECM : EATCHIP Co-ordination Meeting Publication (Task Force) ECM : Electronic Counter Measure / Message EAM : Eurocontrol Airspace Model ECM : Executive Control Message EAMG SSG : EAMG Systems Sub-Group ECM : Extended Callsign Menu EAMG : European ATFM Management Group ECMA : European Computer Manufacturers' Association (supervision of the CFMU) ECMT : European Conference of Ministers of Transport EAN : European ATSO Network eCN : enlarged Commission EANPG : European Air Navigation Planning Group (ICAO) ECON Economy (minimum cost speed schedule) ECP : Engineering Change Proposal ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 17 AAA (All Aviation Abbreviations) www.flyingineurope.be

ECP : Expedite Clearance Procedure Maastricht ECR : Event Contract Request (ICAO) EGATS : EUROCONTROL Guild of Air Traffic Services ECRSG : EATMS Concept & Requirements Sub-Group EGERIA : Engineering Group for European Integration ECRG : Experimental Centre Review Group ATC ECS Environmental Control System EGIP : European Gateway for INO Provision ECSC : European Conference on Satellite EGNOS : European Global Navigation Overlay Service Communications (SNA) ECT : European Coordination Team EGNOS-EM : European Global Navigation Overlay Service ECTF : EATMS Concept Task Force - East Mediterranean ECU : European Currency Unit EGPWS : Enhanced Ground Proximity Warning System Ed(s) : Editor(s) EGT Exhaust Gas Temperature ED50 : European Datum 1950 (Geodetic system) EGU : European Gliding Union ED70 : European Datum 1970 (Geodetic system) EHA : European Helicopter Association ED87 : European Datum 1987 (Geodetic system) EHD : Danger Area (followed by identification) [NL] EDA : Electro-Dermal Activity measurement EHF : Extremely High Frequencies EDAG : European Delay Analysis System Advisory Group EHQ : Eurocontrol Headquarters EDAS : European Delay Analysis System EHR : Restricted Area (followed by identification) [NL] EDAS : European Delay Analysis System EHSI : Electronic Horizontal Situation Indicator EDB : Environmental Data Base EHT : Extemely High Tension EDCT : Expect Departure Clearance Time EI : Air Lingus (airline) EDD / TID : EDD / Touch Input Device EIA : Electronic Industries Association EDD : Electronic Data Display EIB : European, Investment Bank EDDF : Environmental Data Processing and Distribution EICAS Engine Indicating Crew Alerting System Function EIF : Extended Interface Function EDDUS : EDD Update System EIIC : Electronics Installation and Implementation Centre EDD-VKL : EDD-controller/planner-controller EIPA : European Institute of Public Administration EDI : Electronic Data Interchange EIRP : Effective / Equivalent Isotropic Radiated Power EDIFACT : Electrical Data Interface for Administration EIS : Environmental Information Sampling Commerce and Transport EIU Electronic Interface Unit EDISOFT : Empresa de Serviços e Desenvolvimento de EL : Electro-Luminescent Software, S.A. (PT) ELBA : Emergency Location Beacon-Aircraft EDMS : Engineering Data Management System (ODS - EL/KYB : EL Keyboard MAS) ELEV : Elevation (environment) EDP : Electronic Data Processing ELINT : Electronic Intelligence EDP : Environmental Data Processing ELM : Extended Length Message EDPD : Environmental Data Processing and Distribution ELR : Extra Long Range EDS : Explosives Detection System ELS : Electronic Library Service (System) EE : Estonia (ISO Country Code) ELS : Emergency Landing Strip EEB : European Environmental Bureau ELT : Emergency Locator Transmitter EEC : Electronic Engine Control ELW : Extended Label Window EEC : EUROCONTROL Experimental Centre EM : Emission EEC : European Economic Community EMAS : Environmental Management Audit System EEC/BSC : Eurocontrol Experimental Centre / Building (Hamburg Airport) Steering Committee (decision DG) EMBD : Embedded (cumulonimbus) in a layer EEE : Etudes, Essais and Experimentation EMC : ElectroMagnetic Compatibility EEG : Electroencephalogram EMCC : EATM Management Coordination Committee EEI : Essential Elements of Information EMCON : Emission Control EEPROM : Electrically Erasable Programmable Read-Only END : Stop-end (related to RVR) Memory EME : Expert militaire d'Eurocontrol EES : European Eastern States EMER : Emergency EET : Estimated Elapsed Time EMERALD : EMErging and Activities of reLevance to ATM EFAS : Electronic Flash Approach Light concept Definition (European Commission) EFAS : En Route Flight Advisory Service EMERG : Emergency EFC : Expect(ed) Further Clearance EMEU : Eurocontrol Military Expert Unit EFDFMG : EUROCONTROL Flow Data and Flow EMF : Exercise Management Facility (Simulator) Management Group EMG : EAD Management Group EFDP : European Flight Data Processing EMG : ElectroMyoGram EFIS : Electronic Flight Instrument System EMG : Emergency (ICAO) Eff : Effective from (date) EMH : EATCHIP Management Handbook EFL : Entry Flight Level EMI : Electromagnetic Interference EFL : Estimated Flight Level EMIRA : Eurocontrol Maastricht Information Retriever EFMS : Experimental Flight Management System Application EFP : España-France-Portugal Plan (co-operation EMIS : EATCHIP Management Information System agreement) EMM : Extractor Monitoring Message EFPD : Extended Flight Plan Description EMOTION 7 : European Maintenance Of TCAS II Logic EFPM : Extended Flight Plan Message Version 7.0 (EMOTION 7) EFPS : External Front Processing System (PALLAS EMP : ElectroMagnetic Pulse system) EMS : EATCHIP Management Support EFQM : European Foundation for Quality Management EMS Emergency Medical Services EFR : Extended Flight Rules (FREER) EMS : European Mobile System EFS : Electronic Flight Strip EMSO : EATCHIP Management Support Organisation EFS : Extended Flight Store EMSS : European Mobile Satellite Services EFTA : European Free Trade Association EMT : Eye-Movement tracking EG : Egypt (ISO Countries Codes) EMTO : ECAC Medium Term Objectives Group (to deal EGA : Enhanced Graphics Adapter with `Constraints to Growth' EGATCM : Eurocontrol Guild of Air Traffic Controllers - ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 18 AAA (All Aviation Abbreviations) www.flyingineurope.be

EMU : Extended Memory Unit EROPS : Extended Range Operations by Twin-Engine EN : Euro Norm (CEE) Aircraft ENE : East-North-East ENG : Engineering / Engine ERP : Effective Radiated Power ENGD : CFMU – Engineering Division ERP : Event-Related Potential ENHANCE : EuropeaN Harmonised Aircraft Noise Control ERP : Extracted Route Points (FPPS/DECADE) modelling Environment (NATS-DORA) ER-PC : En-Route Planner Controller ENJJPT : Euro-NATO Joint Jet Pilot Training ERR : Error Message ENOC : European Network Operating(tion) Concept ERS : Early Retirment Scheme ENPRM : European Notice of Proposed Rule-Making ERS : Extracted Route Sequence ENR : En-route (ICAO) ERSS : Eurocontrol Radar Surveillance Standard ENRI : Electronic Navigation Research Institute (USA - ERT : Estimate Revision Message ADS) ERT : Execution Reference Time ENRT : En Route ERV : ECM Resistant Voice ENV : Environment System ES : Elementary Sector EO : Executive Objectives (EATMS - CSD) ES : Emergency System EO : Eyes Open ES : End Service / System EOBD : Estimated Off Block Date ES : Eurocontrol Standard (Document) EOBT : Estimated Off Block Time ES : Spain (ISO Country Code) EOC : Edge Of Coverage ESA : Electronically Scanned Array EOCD : EATMS Operational Concept Document ESA : European Space Agency (=ASE) EODP : EATMS Options Discussion Paper ESE : East-South-East EOG : ElectroOculoGram ESARR : Eurocontrol Safety Regulatory requirements EOIG : EGNOS Operators and Infrastructure Group - the ESCAPE : EUROCONTROL Simulation Capability And ATS providers in the states formerly known as the IKD Platform for Experimentation States ESCAT : Emergency Security Control of Air Traffic EOLIA : European Pre-operational Datalink Applications ESCO : Executive Support and Coordination Office Project ESDF : Environmental Static Data Processing and EONS : Eurocontrol Open and Generic Graphic System Distribution Function EOQ : European Organisation for Quality ESDI : Enhanced Small-Device Interface EP : Expert Panel ESF : Essential Support Facilities EPAC : EATCHIP Policy and Allocation Committee ESL : Entry Sequence List EPAC : Eurocontrol Programme Appraisal Committee ESME : Enhanced Simulation Modelling Environment EPB : EATCHIP Project Board ESP : En-route Spacing (Program) EPC : Enhanced Planning and Coordination function ESPRIT : European Strategic Programme for Research (project of MDP phase I) and Development in Inform.Technology EPCM : Enhanced Planning Control Message EST : Estimated EPD : EATCHIP Planning Division EST : Boundary Estimate Message EPG : EASIE Policy Group EST : Estimate message designator EPHOS : European Handbook for Open Systems ESTEC : European Space Technology and Research EPIC : European Programme for the Implementation of a Centre Common geodetic reference frame (WGS 84) ESTEEM : Elaboration of a Strategy for the Transition from EPIC : Extended PCM Interface Controller (ACS) EATCHIP phase III to the EATMS EPM : EATCHIP Planning Method ESUP : Eurocat Support System EPM : Electromagnetic Protection Modification ET : (Shuttle) External Tank EPMB : EASIE Programme Management Board ET : Executive Task EPR Engine Pressure Ratio ETA : Estimated Time of Arrival / Estimating Arrival EPR, DGS/EPR : External and Public Relations ETD : Estimated Time of Departure EPROM : Erasable-Programmable Read-Only-Memory ETE : Estimated Time of Entry EPRT : External Processing Response Time ETFDD : Electronic Tabular Flight Data Display EPS : Exercise Preparation Suite (Simulator) ETFDM : Electronic Tabular Flight Data Message EPSU : European Public Service Union ETFMS : Enhanced Tactical Flow Management System EPT : Estimated Parking Time ETG : European GNSS Tripartite Group (European EPT : Eurocontrol English language Placement Test Community, Eurocontrol, European Space Agency) Eqpt : Equipment ETL : Extended Track Label EQUATOR : Environment for Qualitative Temporal ETMA : Extended Terminal Manoeuvring Area Reasoning (AI) ETO : Estimated Time Overhead (significant point) EQPT : Equipment ETOPS : Extended Range Twin Engined Operations ER : En-Route ETOT : Estimated Take Off Time ER TC : En-Route Tactical Controller ETR : ETSI Technical Report ERA : European Regional Airlines Organisation ETRAS : Easy Transported Radar Analysis System ERABIS : (Swedish) Route Invoicing System ETREM : Eurocontrol Technical Requirements Model ERATO : En Route Air Traffic Organiser (EAS) ERCG : External Relations Coordination Group ETRF : European Terrestrial Reference Frame ERCS : EXM Resistant Communications System ETS : Early Termination of Service ERD : End Routing Domain ETSI : European Telecommunications Standardi(sation) ERDF : European Regional Development Fund Institute ERFA : Conference on the Economics of Route Air ETX End of Transmission Navigation Facilities and Airports (ICAO) ETX : Estimated Time of Exit ERIP : EAD Remote Interface Package EU : Electronic Unit ERM : En-Route Metering EU : European Union ERM : Estimate Revision Message EU-ACA : European Union Airport Coordinators ERN : Earth Referenced Navigation Association (represent more than 120 airports throughout ERNP : European Radio Navigation Plan (European the European Union) Commission) EUCARF : European Central Altitude Reservation Facility EUM, EUMED, Eumed : Europe Mediterranean Air ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 19 AAA (All Aviation Abbreviations) www.flyingineurope.be navigation Region (ICAO) Terminator) EUR ANP : Air Navigation Plan in Europe (ICAO Region) FAA : Federal Aviation Administration EUR ATN : European ATN FAA : Federal Aviation Authority EUR RAN : European Regional Air Navigation (Meeting) FAA-STD-042 : National Airspace System Open System EUR RASC : Regional AIS System Centre inside the ICAO Interconnection Naming and Addressing (ISO Standards EUR region for Open Systems Interconnection and Data EUR : Euro Communication published by ISO, International Standards EUR : European Organisation). EUR : European Region (ICAO) FAATC : FAA Test Centre EURACA : European Air Carrier Assembly FAC : Facilities EURAM : European Research in Advanced Materials = FAC : Final Approach Course (same as IS) BRITE FAC : Flight Augmentation Computer EURAP : European Regional ATS Packet Switching FACC : Feature and Attribute Coding Catalogue Network (DAKOS+CBN) FACF : Final Approach Course Fix EURATN : European experimental Aeronautical FACTOR : Development of Functional Concepts from the Telecommunications Network / Réseau européen de EATMS Operational Requirements télécommunications aéronautiques FACTS : Future Area Control Tools Support EURET : European Research for Transport (European FADEC : Full Authority Digital Engine Control Communities) ; Specific Resource and Technological FAF : Final Approach Fix Development Programme in the Field of Transport FAI : Fédération Aéronautique Internationale (F) EURO : Eurocontrol FAIL FMC Fail EURO/5-States RSG : Eurocontrol/5-States Route Failure The inability of a system, subsytem, unit or part to Structure Group perform within previously specified limits. EUROCAE : European Organisation for Civil Aviation FAF Final Approach Fix Equipment manufacturers FAL : Facilitation of International Air Transport EUROCAEDS : European Organisation for Civil Aviation FAN : False Alarm Normaliser (radar) Equipment FANOMOS : Flight track and Aircraft NOise MOnitoring EUROCONTROL : European Organisation for the Safety System (RMCDE) of Air Navigation FANS : Future Air Navigation Systems (ICAO) EUROSIM : Eurocontrol Simulator at the Institute of Air FANS-1 : Future Air Navigation Systems 1, an initial Navigation Services operational datalink package for the South Pacific EUROSTAT : Statistical Office of the European FANS-A : Future Air Navigation Systems A, an initial Communities operational datalink package for AIRBUS aircraft EUR-RAN : European Regional Air Navigation FANSTIC : Future ATS and New Systems Impacts on EV : Every Cockpit EVAS : EATMS Validation Strategy FAP : Final Approuch Point EVP : EATM Validation Project (formerly C3T) FAP : Future ATM Profile (simulation Brétigny) EVS : Enhanced Visual System FAR : False Alarm Rate EVS : Evaluation System FAR : Federal Aviation Regulations (federal rules under EW : Eurowings (airline) which flight operations are conducted) EWA : Error Warning Area FAR Federal Acquisition Regulation EWAN : EGNOS Wide Area Network FARAWAY : Fusion of Radar and ADS Data through two EWBS : EATCHIP Work Breakdown Structure WAY datalink EWG : Executive Working Group FAS : Final Approach Segment EWP : EATCHIP Work Programme FAS : Flight level Allocation System EWP : EATM Work Programme FASID : Facilities And Services Implementation Document EWP : Enhanced Working Position (ICAO) EWPA : EATCHIP Work Programme Adaptation FAST Final Approach Spacing Tool EWPD : EATCHIP Work Programme Document FASTER : Future AO-ATM-Airports Synergy Towards EWPD : EATM Work Programme Document Enhanced Operations EWS : Early Warning System FAT : Factory Acceptance Test EWS : Experimental Workstation Simulator FAT : Force Aérienne Tactique EWT : EATMS Working Team (CSD) FATAC : French Air Force Tactical Air Command ex GDR : ex German Democratic Republic FATMI : Finnish ATM Integration EXC : Executive Controller FATO : Final Approach and Take-off Area EXC : Exept FATUREC : Federation of Air Transport User EXEC Execute Representatives in the EEC EXER : Exercise(s) or Exercising or to Exercise FAWP : Final Approach Waypoint EXP : Expected FAX : Facsimile EXPLT : Extrapolate FB : FallBack EXSPEC : Exercise Specification FBL : Light (used to indicate the intensity of weather EXTD : Extend or Extending phenomena, interference or static reports, e.g. FBL RA = extra EUR RASC : Regional AIS System Centre outside light rain) the ICAO EUR region FBS : Fall-Back System EXY : Easyjet (airline) FBO Fixed Based Operator FC : Course from a Fix to a Distance (ARINC 424 Path -F- Terminator) FC : Feeder Controller F : Fahrenheit FC : Formalised Clearances F : France FC : Frequency Change F : Fixed FC : Funnel Cloud (meteo) (tornado or water spout) F&CM : Flow And Capacity Management FCA : Funtional Configuration Audit (MAS - ODS) F/G : Foreground FCB : Frequency Coordinating Body F18 : Field 18 of Flight Plan FCC : Federal Committee for Communications FA Final Approach FCC : Flight Control Computer FA : Course from a Fix to an Altitude (ARINC 424 Path FCC : Flow Co-ordination Cell ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 20 AAA (All Aviation Abbreviations) www.flyingineurope.be

FCD : Flow Control Decision FIC : Flight Information Centre FCDS : Frequency Channel and Distribution System FIC : Frequency Intercom FCE : Flow Control Execution FIDS : (Swedish) Flight Information Display System FCG : Financial Consultation Group (AFG) FIFO : First in, First out FCM : Flight Confirmation Message FILTIM : Date and Time Stamp of original Message FCNP : Fire Control and Navigation Panel FIN : Financial Services FCO : Future Concepts (EATCHIP domain) FIN : Finland FCOM : Flight Crew Operating Manual FIO : Flight Information Office FCOT : Future Concepts Team FIR : Flight Information Region FCR : Flow Control Request FIRST : Flexible Independent Radar Skill Trainer (MAS) FCS : Frame Check Sequence (RMCDE) FIS : Flight Information Service FCST : Forecast FISA : Automated flight Information Service FCT : Friction Coefficient FIS-B : Flight Information Service - Broadcast FCTL : Flow Control FISC : Flight Information Services Communications FCU : Flight Control Unit FISO : Flight Information Service Officer FD : Course from a Fix to a DME Distance (ARINC 424 FIT : Factory Inspection Test Path Terminator) FIT : Flight Integration Task Fd : Doppler Frequency FIT : Flight Plan Input Terminal FD : Flight Data FITAMS : Flight Trials of ATN and Mode S activity FD : Flight Director FIW : Flight Input (Information) Workstation FDA : Flight Data Assistant FIX : Fixpoint, Position in space usually on aircraft's flight FDB : Full Data Block plan FDAMS Flight Data Acquisition and Management System FL : Flight Level FDC Flight Data Company FLAS : Flight Level Allocation Scheme FDDI : Fiber Distributed Data Interface (LAN - RMCDE / FLAS : Flight Level Allocation System MAS) FLCH Flight Level Change FDDI : Fiberoptical Digital Data Interchange FLD : Field FDE : Flight Data Exchange FLG : Flashing FDE-ICD : Flight Data Entry - Interface Control Document FLIDRAS Flight Data Replay and Analysis System FDFM : Flight Data and Flow Management FLIP : Flight Information Publication FDFMG : Flight Data and Flow Management Group FLIPCY : Flight Plan Consistency FDG : Flight Data Group (MAS) FLO : ATS/ATFM Co-ordination meeting (ICAO) FDG : Flight plan Data Generator FLO : Flow meetings FDM : Flight Data Message FLOE : Informal ATS / ATFM Co-ordination Meeting - FDMA : Frequency Division Multiplex Access Europe East FDMAS : Flight Data Management Automated System (It. FLOEast : Informal Flow control Meeting - Europe East ATFM) (ICAO/EANPG) FDMD : Flight Data Management and Distribution FLOS : Flight Level Orientation Scheme FDO : Flight Data Operations Division FLOW : Informal ATS / ATFM Co-ordination Meeting - FDOD : CFMU – Flight Data Operations Division Europe West FDP : Flight Data Processing / Flight-plan Data Processor FLOWest : Informal Flow control Meeting - Europe West FDPD : Flight DATA Processing and Distribution (ICAO/EANPG) FDPS : Flight Data Processing System FLOWTAM : NOTAM on ATFM Measures FDR : Flight Data Recorder (CDB / CFMU) FLR : Flares (Parachute flares) FDS : Flight Data Section FLS : Flight Suspension Message FDSU : Flight Data Storage Unit FLT : Flight FE : tones injected by the Far End switch FLT/PLN : Flight Plan FEAST : First European ATCO Selection Test Package FLTAB : Flight Level Table FEATS : Future European Air Traffic (Management) FLTCK : Flight Check Systems (ICAO) FLUC : Fluctuating or fluctuation or fluctuated FEC : Forward Error Correction FLTP : Flexible Luxembourg Training Platform FED : Fonds européen de développement FLW : Follow(s) or following FEDER : Fonds européen de développement régional (= FLY : Fly or Flying ERDF) FM : Course from a Fix to a Manual Termination (ARINC FEP : Front End Processor 424 Path Terminator) FES : Fixed Earth Station FM : Flow Manager FEW : Few FM : Flight Management FF : Fuel Flow FM : Frequency Management FFA : Functional Failure Analysis FM : From FFAS : Free Flight Airspace FM…: From (followed by time weather change is forecast FFI : Final Factory Inspection (CBN - CNG) to begin) FFM : Frankfurt/Main FMA Flight Mode Annunciator: display on or near the FFM : Free Flight Mode PFDs of the current modes of autoflight system FFTF : Future Functions Task Force (4-States/Eurocontrol) FMAQ : Flight Management Attitudes Questionnaire FFU : Fire Fighting Unit FMC : Flight Management Computer (also FMCS - FMC FG : Fog (meteo) System) FGS/C Flight Guidance System/Computer FMCG : Flow Management Co-ordination Group FHA : Functional Hazard Assessment FMD : CFMU – Flow Management Division FI/P : Flight Inspection Permanent FMEA : Failure Modes and Effects Analysis FI/T : Flight Inspection Tempray FMECA : Failure Modes, Effects and Criticality Analysis FI : CFMU/MSB – Finance Team FMG : Flow Management Group (ICAO) FI : Finland (ISO Country Code) FMGC : Flight Management and Guidance Computer FI : Iceland Air (airline) FMGS : Flight Management and Guidance System F : Flight Instructor FMP : Flow Management Planning / Position (CFMU - FIAT : First Installed Article Test ECAC States) FIB : Forward Information Base FMPG : Flow Management Planning Group ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 21 AAA (All Aviation Abbreviations) www.flyingineurope.be

FMS : Flight Management System FRUIT : False Replies from Unsynchronised Interrogator FMU : Flight Management Unit Transmissions ; Friendly Replies Unsynchronised in Time. FMU : Flow Management Unit FRZN : Frozen (meteo) FN : False Negative FS : Foot Switch (VCS FNA : Final Approach FS : Functional Statement (ICAO - ADS) FNM : Flight Notification Message FSA : First System Activation (message) FNPT : Flight and Navigation Procedure Trainer FSD TF : Functional Specification Development Task FO First officer Force (EASIE/MODE S) FOC : Full Operational Capability FSF Flight Safety Foundation FOCA : Federal Office for Civil Aviation (Switzerland) FSK : Frequency Shift Keying FOCA : Floor of Controlled Airspace FSL : Full Stop Landing FOM : Figure of Merit (ICAO - ADS) FSM : Flight Schedule Monitor. FOQA Flight Operations Quality Assurance FSM : Frequency Shift Modulation FOR-DEC : Facts, Options, Risks and Benefits, Decision, FSP : Flight Strip Printer Execution and Check FSPEC : Field SPECification : field of variable length, FOU : Frequency of Use indicating which data fields are present in a record and in Four-state BFWG : Four-State Budgetary and Financial which order (see also Record) working Group FSS : Automated/Flight Service Station FP 5 : Fifth Framework Programme of the European FST : First Community for Research, Technological Development and ft : Feet Demonstration FTC : Fast Time Constant FP : False Positive FTE : Flight Technical Error FP : Flight Plan FTE : Full Time Employee FP : Framework Programme (of the European FTE : Full Time Equivalent Commission) FTFM : Filed Tactical Flight Model FPA : False Plot Analysis FTmn : False Track Length Mean FPA Flight Path Angle FTP : File Transfer Protocol FPA Focal Plane Array FTprob : False Track Probability FPAP : Flight Path Alignment Point FTS : Fast-Time Simulation System FPB : Flight Progress Board FTsd : False Track Length Standard Deviation FPCP : Flight Path Control Point FTT : Flight Technical Tolerance FPD : Flight Plan Data FU : Smoke (meteo) FPDETF, FPRDETF : Flight Plan related Data Exchange FUA : Flexible Use of Airspace Task Force FUAG (FUSG) : Flexible Use of Airspace Group (sub- FPF : Flight Plan Fallback group of APT) FPFS : First Planned First Served FUCOZOC : Fuel Consumption Estimator in a ZOC FPL : Filed Flight Plan (ICAO format) FUSG : Flexible Use of Airspace Sub-Group (Sub-Group FPL : Full-Performance Level of ANT) FPLA : Field Programmable Logic Array FUT, FCO : Future Concepts FPLA : CFMU/DEVD - Flight Plan Application Section FVS : Flight Verification System FPLMTS : Future Public Land Mobile Telecommunications FWC : Flight Warning Computer System FX : Field Extension Indicator (ASTERIX) FPM : Feet-per-Minute FY : Fiscal Year FPM : Flight Path Monitor (PATs) FYP : Five Year Programme FPM : Flight Position Monitor FYROM : Former Yugoslav Republic of Macedonia FPM : Flight Progress Message FZ : Freezing (meteo) FPP : Flight Plan Processing FZDZ : Freezing Drizzle FPPS : Flight Plan Processing System FZFG : Freezing Fog FPPU : Flight Planning and Flight Progress Updating FZRA : Freezing Rain FPR : Flight Plan Route FPS : Flight Plan Server -G- FPS : Flight Progress Strip FPS : Functional Performance Specification G/A : Ground to Air FPT : Flight Plan Terminal G/G : Ground / Ground FPWO : Flight Plan Work Station Operator G/T : Gain over noise Temperature Ratio FPZ : Flight Path Zone (ODID) G : Green FQIS Fuel Quantity Indicating System G : Gusts (meteo) FQR : Formal Qualification Review GA : Garuda (airline) FR : France (ISO Country Code) GA : General Aviation FR : From GA : Go-Around FR : Fuel Remaining GAAP : Generally Accepted Accounting Principles FRA : Failure Reporting and Analysis Ga-As : Gallium-Arsenid FRA : Free Route Airspace GAAS : Generic Approach for ATM Systems FRA Flap Retraction Altitude GAC : General Aviation Centre FRA Federal Railroad Administration GACS : Generic ATN Communication Service FRB : Failure Review Board GAF : German Air Force FREER : Free Route Experimental Encounter Resolution GAFLO : German Air Force Liaison Officer Freq : Next Sector frequency GAFO : German Air Force Office FRF : Further Route of Flight GAFOR : General Aviation Forecast (Meteo) FRG : Federal Republic of Germany GAIT : Ground-Based Augmentation and Integrity FRH : Fly Runway Heading Technique FRM : Financial Resources Management Core Team GAME : GEADGE/ADKAR Message Exchange FRNG : Firing GAMET : Area forecast for low-level operations FRONT : Front (relating to weather) GAR : Go-Around FRQ : Frequent GARTEUR : Group for Aeronautical Research and FRS : Functional Requirements Specifications Technology in Europe ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 22 AAA (All Aviation Abbreviations) www.flyingineurope.be

GASC : Global Aviation Satellite Communications System GLOSS : Global Sea Level Observing System GASR : Group of AGA Safety Regulators (AOT list) GLSU : GPS Landing System Unit GAT : General Air Traffic or Terminal GM : Guidance Material GATE : Group of ATM in the Eastern Part of the ICAO GMC : Ground Movement control EUR Region, including Middle Asia GMD : General Meeting of Directors GB : United Kingdom (ISO Countries Codes) GMS : Global Positioning System Monitoring System GBA : Geostationary Broadcast Area GMS : Ground Monitoring System GBAS : Ground Based Augmentation System GMS : Ground Movement Surveillance GBCC : Ground Based Control Complex GMT : Greenwich Mean Time. See UTC GC : Graphics Controller GMU : GPS (Height) Monitoring Unit GC : Ground Control/Controller GNC : Global NAVCOM (IATA/ICAO Conference) GCA : German Cockpit Association GND : Ground Control service / facility GCA : Government Quality Assurance GND : Ground Level GCA : Ground Controlled Approach GNDCK : Ground Check GCAS : Ground-based Collision Avoidance System GNE : Gross Navigational Error GCE : General Certificate of Education GNLS : GNSS Navigation and Landing System GCL : Graphical Information Category Cursor Line (EAS) GNLU : GNSS Navigation and Landing Unit GCS : Ground Control Segment GNP : Gross National Product GCSE : Generate Certificate of Secondary Education GNSS : Global Navigation Satellite System GCST : Group for Coordination of STAR (Studies, Tests GNSSP : Global Navigation Satellite System Panel (ICAO) and Applied Research) GOMS : Goals, Operators, Methods, Selection (rules) GCTA : Gestion des Courants de Trafic Aérien (=ATFM) GOTV : GNSS Operational Test and Validaton GCWP : Generic Controller Working Position GOVT : Government GDCA : General Directorate for Civil Aviation (SP) GP : Gilde Path GDCE : Ground Data Circuit Terminating Equipment GPIWG : Glide Path Intercept Waypoint GDLP : Ground Data Link Processor (the Mode S GPS : (Satellite Navigation and) Global Positioning System subnetwork function within the ground system that / Geographical Paging System, a technique for deriving implements the OSI network layer protocols) location from space-based assets. GDM : Graphical Information Category Dynamic Maps GPS : Geographical (Paging) Positioning System GDOP : Geometric Dilution of Precision GPSSU : GPS Sensor Unit GDP : Diplomatic and Protocol Drafting Group GPTP : Guided Part-Task Practice GDP : General Data Processor GPV : GNSS Performance Validation GDP : Gross Domestic Product GPWS : Ground Proximity Warning System (warns of GDP : Ground Delay Program inadequate separation from ground and excessive sink GE : Georgia (ISO Countries Codes) rate close to ground) GEADGE : German Air Defense Ground Environment GR : Hail >5mm (meteo) GEMS : Generic Error-Modelling System GR : Greece (ISO Country Code) GEN : General GRACE : Geographical Association and Classification of GENOFIC : General North Sea Flight Information Centre Events GEO : Geographic or True GRADU : Gradual or Gradually GEO : Geostationary Satellite Orbit GRAF Ground Replay and Analysis Facility GEOREF : Geographical Reference GRADE : Ground Return Area Digital Eliminator GEOSTAR : Multipurpose Satellite System Using Fixed GRANAS : Global Radio Navigation System Orbit Satellites GRASS : Grass landing area GERAC : EANGP WG on Coordination of the Implement & GRIB : Processed meteorological data in the form of grid Operation of an Improved EUR AFTN/AFS point values (aeronautical meteorological code) GERAC : Group on European Regional AFTN/AFS GRIGRI : Gestures, Recognition on Interactive Graphical Implementation and Operation Coordination radar Images GES : Ground Earth Station (ICAO - ADS) GROBI : Graphical Object Interface GETALIS : Sistema de Gestão de Tráfego Aéreo de GROUP SIMUL : Group Simulation Lisboa (PT) / Future Lisboa Air Traffic Management GRP Geographical Reference Points System GRVL : Gravel GF : Gulf Air (airline) GS : Small hail or snow pellets (meteo) GFDI : GNSS Fault Detection and Isolation GS : Glideslope GFM : Graphical Information Category Fixec Maps GS : Graphical Station GGCS : Ground/Ground Communication System (ICAO) GS : Ground Speed GGDC : Ground/Ground Data Communication GS : Gound Stop GGDC-SG/GGDCSG : Ground/Ground Data GSA : Guided Skill Acquisition Communications Sub-Group GSE : Ground Support Equipment GGVC-SG/GVCSG : Ground/Ground Voice GSFC Goddard Space Flight Center Communications Sub-Group GSIMUL : Guided Simulation GHMI : Ground Human-Machine Interface GSM : Global System for Mobile Communications GHz : Gigahertz GSM : Graphical Information Category Scale Marking GIB : Global Navigation Satellite System Integrity GSNA : Ground-Supported Navigation Advisory Broadcast GSO : Geosynchronous Orbit GIB : GPS Integrity Broadcast GSO : Group of Senior Officials GIC : Geostationary Integrity Channel GT : Ground Transmitter GIC : GNSS Integrity Channel GT2 : Ghost Track rate (radar standard) GICB : Ground Initiated Comm B Protocol (Mode S) GTB : General Tool Box GIPS : Giga Instructions Per Second GTC : Gain Time Control GIPS : General Image Processing System GTE : Groupe tripartite européen GIPS : Global Initial Positioning System GtG programme : Gate-to-Gate programme GIS : Geographical Information System GTID : Group training - Instructor-dependent GLD : Glider GTIS : Ground-based Traffic Information System GLONASS : Global Orbiting Navigation Satellite System GTMD : Group Training - Material-dependent (USSR) GTO : Geosynchronous Transfer Orbit ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 23 AAA (All Aviation Abbreviations) www.flyingineurope.be

GTP : Groupe de travail "Pensions" / Pensions Working HFX : Holding Fix Group (= PWG) Hg : Mercury GTr : Ghost Track Rate HGT : Height or Height Above GTRC : General Technical Requirements and Conditions HHmm : Hours and minutes GTS : Global Telecommunications System HHMMSS : hour-hour / minute-minute / second-second GTVS : Ground based Transponder performance Hl : High Verification System (SCT) HI FI SIM : High-Fidelity Simulator GUI : Graphical User Interface HIDE : Harmonised, Integrated Development Environment GUIDE : General User Interface Device HIFA : Human Integration in Future ATM Systems GW Gross Weight HIPERLAN : High Performance Local Area Network GWL : Graphical Information Category Weather Lines HIPS : Highly Interactive Problem Solver HIRL : High Intensity Runway Lights -H- HIRO : High Intensity Runway Operations HIRS High-Resolution Infrared Sounder H24 : Continuous Day and Night Service HIRTA : High Intensity Radio Transmission Area H : Hungary HIT : Hardware Integration Test (MAS/DFS - ODS) H, h : Hour HIT : Hughes Improved Terminal H/M/L : High/Medium/Low (ATC Complexity) HIWAS : Hazardous Inflight Weather Advisory Service HA : Holding to an Altitude (ARINC 424 Path Terminator) HJ : Sinrise to Sunset HAA : Height Above Airport HLD : Hold List HAC Hughes Aircraft Co. HLDC : High Level Data Link Control HAD : Human Aspects Development HLDG : Holding HADAMARD : Multi-radar processing written in ADA HLLC : High Level Link Layer Control HAI Helicopter Association International HLT : Heavy Load Threshold HALO : High Altitude, Low Opening HM : Holding to a Manual Termination (ARINC 424 Path HALS / DTOP : High Approach Landing System / Terminator) Displaced Threshold Operations HMATTF : Handling of Military Air Traffic Task Force HAMMER : High-level All-purpose Monitoring and HMD : Horizontal Miss Distance (filter) (TCAS/ACAS) Management Equipment for RADNET HMI : Human Machine Interface or interaction HAPI : Helicopter approach path indicator HMR : Helicopter Main Routes HAT : Height Above Touchdown HMT : Hand Microphone Telephones HATR : Hazardous Air Traffic Report HMU : Height Monitoring Unit (in connection with RVSM) HAW : Horizontal Aid Window (ODID) HMZ : Slovenian National Hydrometeorological Institute HBARO Barometric Altitude HN : Sunset to Sunrise HBN : Hazard Beacon HND : Hand over keyboard button HBS : Hotline Back-up System HNS : Host Nation Support HCA : Human-Centred Automation HNSE : Horizontal Navigation System Error HCAA : Hellenic Civil Aviation Authority HO : Service available to meet operational requirements HCD : Hard Copy Device HOA : Hand-off Acceptance HCI : Human Computer Interface H-OFF-A : Hand-Off Accept HCP : Hard Copy Printer H-OFF-P : Hand-Off Propose HD : Air Holland (airline) HOL : High Order Language HD : Harmonisation Documents HOL : Holiday HDB : Historical Data Base HOLD : Hold(ing) HDBK : Handbook HOOD : Hierarchical Object Oriented Design HDD : Head Down Display HOP : Hand-off Proposal HDF : High frequency direction-finding station HOP : Harmonisation of Operational Procedures (AT, CH, HDG : Heading DE) HDG SEL Heading Select Hor : Horizontal HDLC : High Level Data Link Communication HOSP : Hospital Flight/Aircraft HDLC : High Level Data Link Control Host Computer Facility located at the ARTCC which HDOP : Horizontal Dilution of Precision operates user application software, as well as certain peer HDOT network layer protocols required to communicate with HE Altitude Error adjacent ATN routers. HED : Heading Host Processor "End system" as defined by ISO that HEIDI : Harmonisation of European Incident Definitions includes the OSI upper layer protocols (i.e., transport layer Initiative for ATM (SQS) and above) and application processes HEL : Helicopter Hp / hPa : hectopascal HEL : High Energy Laser HP : High Precision HELI : Heliport HP : Holding Pattern HELLANET : Hellenic aeronautical Network HP : Horse-Power HEO : Highly inclined Elliptical Orbit HPA : High Power Amplifier HERA : Human Error in ATM HPC : Hughes Programming Centre (NPC) HERAS : Hellenic Radar System HPD : Horizontal Polar Diagram HERMES : Harmonised En-Route Metering and Spacing HPRES Pressure Altitude (Sequencing) HPRT : HMI Preview Response Time hex : hexadecimal HPZ : Helicopter Protection Zone HF : High Frequency HQ : Headquarters (EUROCONTROL Agency) HF : Holding to a Fix (ARINC 424 Path Terminator) HR : Croatia, Republic of Croatia (ISO Country Code) HF : Human Factors (Modules = HRT) HR : Hour HFDL : High Frequency Data Link HR : Human Resources HFIAI : Human Factors in Incident and Accident HRA : Human Reliability Assessment / Analysis Investigation (HRT) HRD : Human Resources Directorate HFS : Human Factors Studies HRFG : Human Resources Framework Group HFSG : Human Factors Study Group (ICAO) HRI : Human resources International (Israël) HFTE : Human Factors Testing and Evaluating HRIS : Human Resources Information System ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 24 AAA (All Aviation Abbreviations) www.flyingineurope.be

HRM : Human Resources Management IAL : International Air-radio Limited (UK) HRP : Human Resources Planning and Corporate IAM : Institute of Aviation Medicine Services IAMP : Initial Approach Waypoint HRPTSG : Human Resource Planning and Training Study IANS : Institute of Air Navigation Services (Luxembourg) Group (ICAO) IANSSC : IANS Steering Committee HRS : ATM Human Resources Management Programme IAO : In and out of clouds (EATM) IAOA : Indicated Angle-of-Attack hrs : hours IAOPA : International Council of Aircraft Owner and Pilot HRSC : Human Resources Steering Committee (Training Associations Programme Ab Initio, CC) IAPL : IFPS APL Message HRT : Human Resources Team IAR : Intersection of Air Routes HRV : Heart-Rate Variability IAR : Instrument Autonomous Rules HS : Service available during hours of scheduled IAR, IARTF : Institutional Arrangements and Requirements operations Task Force HS : Headset IARR : IFPS ARR Message – Individual Arrival Message HSCT : High-speed Civil Transport IAS : Indicated Air Speed HS-DTS : High Speed Data Transmission System IATA : International Air Transport Association HSI Horizontal Situation Indicator IATTF : IFPS Acceptance Test Task Force HSM : High Speed Modem IAW : In accordance with HST : Hypersonic Transport IAWP : Initial Approach Waypoint HTA : Hermes Training Aircraft IB : Iberia (airline) HTA : Hierarchical Task Analysis IB : Information (display) Button HTD : History Trial Dots IBAA : International Business Aviation Association HTI : Human Technology Integration IBAC : International Business Aviation Council HTZ : Helicopter Traffic Zone IBAP : Industry Based Prototype HU : Hungary, Republic of Hungary (ISO Country Code) IBILS : Integrity Beacon Landing System HUD : Head up Display IBN : Identification Beacon HUM RES : Human Resources IBP : Industry-Based Pre-operational Platform and HUM : Humanitarian Validation HUM : Human Resources (Domain/Unit) IBRD : International Bank for Reconstruction and HUMR : Human Resources Development (= BIRD) HURCN : Hurricane IC : (very small) Ice Crystals (meteo) (also know as HV : Transavia (airline) Diamond dust) HVDF : High and very high frequency direction finding IC : Integrated Circuit stations at the same location IC : Intercom HVY : Heavy ICAA : International Civil Airport Association HVY : Heavy (used to indicate the intensity of weather ICAAS : Integrated Control in Avionics for Air Superiority phenomena) ICAO : International Civil Aviation Organisation HW, h/w : Hardware ICARD : ICAO Codes and Route Designator System HWCI : Hardware Configuration Item ICB : International Competitive Bidding HWCI : Hardware Configuration Item (MAS/DFS - ODS) ICBM : Intercontinental Ballistice Missile HWG : Harmonisation Working Group ICCS : Integrated Communication Control System HWP : Holding Waypoint ICCT : Internal Communications Core Team HX : No Specific working hours ICCU : Intercomputer Communications Unit Hz : Hertz (cycle per second) ICD : Interface Control Document HZ : Haze (meteo) ICE : Icing ICET : IATA Capacity Enhancement Team -I- ICHG : IFPS Change Message ICIP : Inital CIP (APT) I : Italy ICM : Interline Communications Manual I and Q Channels : In-phase and Quadrature channels ICNI : Integrated Communications, Navigation and I(Fd) : MTI Improvement Factor Identification I/A : Incident Analysis ICNL : IFPS Cancellation Message I/O : Input / Output ICNL : Individual Cancel I/R : Interrogator/Responsor ICO : Intermediate Circular Orbit I²SLS : Improved Interrogation Side Lobe Suppression ICP : Interactive Control Panel IA : Indirect Access ICP : Internal Clarification Project IA Inspection Authorization ICR : Integrated Cancellation Ratio IA : International Alphabet ICR : Interactive Conflict Resolution IA/CC : Indirect Access/Common Control ICWG : Interface Control Working Group IA-5 : International Alphabet Number 5 ICWS : Integrated Control Work Station IAAE : International Association of Airport Executives ID : Identification (ICAO) IAC : Instrument Approach Chart ID : Information Display IAC : Integrated Avionics Computer IDA : Indirect Access (VCS) IACA : International Air Carrier Association IDA : Initial Distribution Area IACH : Individual ATC Flight Plan Changes IDB : Integrated Database (DBE + DBC) IACS : INTERGRAPH Aeronautical Charting System I-DCTS : Interim Digital (Data) Communications Terminal IACSP : International Aeronautical Communications System Service Providers IDENT Identification Identify, Identifier IAEA : International Atomic Energy Agency IDHS : Intelligence Data Handling System IAF : Initial Approach Fix IDMS : Integrated Database Management System IAFP : Individual ATC Flight Plan Proposal IDP : Initial Domain Part IAG : Interim Airport Group IDRP : Inter Domain Routing Protocol IAG : International Association of Geodesy IDS : Information Display System IAIP : Integrated Aeronautical Information Package IE : Ireland (ISO Country Code) IAL : Instrument Approach and Landing (Chart) IEC : International Electrotechnical ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 25 AAA (All Aviation Abbreviations) www.flyingineurope.be

Commission/Committee IMC : Instrument Meteorological Conditions IEEE : Institute of Electrical and Electronic Engineers (US) IMF : International Monetary Fund IEP : Information Exchange Programme IMG : Immigration IEPR Integrated Engine Pressure Ratio IMM : Interacting Multiple Models : a generally applicable IES : Interface Editor System algorithm of track state estimation IETF : Internal EATMS Task Force IMO : International Maritime Organisation / Organisation IF : Initial Fix (ARINC 424 Path Terminator) maritime Internationale (= OMI) IF : Intermediate (approach) Fix IMP : Implementation Services IF : Intermediate Frequency IMPACT : Informal Management Panel for ATC Training IFA : Image Frequency Attenuation IMPACT : Information Market Policy Actions IFALPA : International Federation of Airline Pilots IMPACT : Innovative Methodology for the Projection of Association ATM Concepts onto the Training of ATCOs IFATCA : International Federation of Air Traffic Controllers IMPACT : Methods and tools to assess IMPACT on future Associations ATM systems IFATSEA : International Federation of Air Traffic Safety Impl : Implementation Electronic Associations IMPR : Improve or Improving IFD : Initial Functional Description / EASIE IMT : Immediate or Immediately IFDS : Interactive Flight Data System IMTEG : ILS/MLS Transition EUR Group IFE : In-Flight Entertainment IMUX : Input MUltipleXer IFIM : International Flight Information Manual IN : Inch, Inches IFF : Identification Friend or Foe INA : Initial Approach IFFITAF : IFPS-DBE Functional Interface System Task- INBD : Inbound Force INC : In Cloud(s) IFFN : Identification Friend, Foe or Neutral InCAS : Interactive Collision Avoidance Simulator IFG-NME WG : Implementation Facilitation Group of the INCERFA : Uncertainty Phase National Management Experts Working Group INDEFLY : Indefinitely IFL : Intermediate Flight Level IND SIMUL : Individual Simulation IFLIPS : Integrated Flight Prediction System Ind : Industry IFOG : Interferometric Fiber Optic Gyro (see FOG) INFO : Information IFOR : Implementation Forces (UN, NATO) INFR-C : Infrastructure Creation IFP : Keyword from IFPS used in FIELD 18 to provide a in.hg. inches of mercury warning INI : Initial Approach Controller IFPD : Individual Flight Plan Data INIT Initialization IFPL : IFPS Filed Flight Plan INM : Integrated Noise Model (software developed by the IFPL : Individual Flight Plan Message US FAA, manufacturer: Aerospatiale Matra Airbus) IFPO : IFPS Workstation Operaror INMARSAT : International Mobile Satellite Organisation IFPPS : Integrated Flight Plan Processing System INO : International NOTAM Operation IFPRU : IFPS Responsible Unit INOP : Inoperative IFPS : Integrated Initial Flight Plan Processing System INP : If Not Possible IFPU : IFPS Unit INPR : In Progress IFPU1/RPL : CFMU/FDOD - IFPS Unit - Haren Brussels INR Image Navigation and Registration (Belgium) Ins : Inches IFPU2 : Integrated initial Flight Plan Processing System INS : Inertial Navigation System (Unit 2) CFMU/FDOD - IFPS Unit - Brétigny-sur-Orge INST : Installation (France) INSTL : Install or Installed or Installation IFPZ : IFPS Zone INSTAR : Institutional Arrangements for European Air IFR : Instrument Flight Rules Traffic Management IFRB : International Frequency Registration Board INSTILUX : Eurocontrol Institute of Air Navigation Services IFTO : International Federation of Tour Operators (LU) IG : Meridiana (airline) INSTR : Insturment IGA : International General Aviation Int : International IGCN : Independent Ground Communications Network INT : Interesection IGFET Insulated Gate Field Effect Transistor INTC Intercept IGP : Ionospheric Grid Point INTELSAT : International Telecommunications Satellite IGS : International GPS Reference Network Organisation II : Interrogator Identity Interactive : Interactive training IIMSES : Initial Implementation of Mode S Enhanced INTERCAUTRA : Internal CAUTRA protocol Surveillance (a common project UK, France, Germany, INTL : International Benelux, including POEMS) INTNET : Integration Network (for flight data exchange) IIS : Internal Information System INTRG : Interrogator IISLS : Improved Interrogation Side Lobe Suppression INTRP : Interrupt or Interruption or Interrupted IKBS : Intelligent Knowledge Based System Intruder : Aircraft against which TCAS issues an advisory IKD States : In Kind Delivery States (France, Germany, INTSF : Intensify or Intensifying Italy, Spain, UK, represented by their ATS providers: DNA, INTST : Intensity DFS, ENAV, AENA, NATS) INU : Inertial Navigation Unit IL : Israël (ISO Countries codes) INV : Innovative Studies and Technological Assessment ILO : International Labour Organisation / Organisation (ARDEP) Internationale du Travail (=OIT) INV : Inverse / Inverted ILS : Instrument Landing System INWP : Intermediate Waypoint ILS : Integrated Logistic Support IO, I/O : Interoperability - Input / Output ILSP : Integrated Logistic Support Program IOATF : IFPS Operational Advisory Task Force IM : Inner Marker IOBD : Initial Off-Block Date IM : Information Management IOBT : Initial Off-Block Time IMA : Integrated Modular Avionics (see AIMS ) IOC : Initial Operational Capability IMAL : Integrity Monitoring Alarm Limit IOCD : Initial Operational Concept Document IMAWP : Initial Missed Approach Waypoint IOCP : Internal Operational Clarification Project ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 26 AAA (All Aviation Abbreviations) www.flyingineurope.be

IOD : Issue of Data Network Service (Standards For Open Systems ION : Institute of Navigation Interconnection And Data Communication Published By IOP : Input / Output Processor (RMCDE) ISO) IOR : Indian Ocean Region (ICAO) ISO 8073 : Connection-Oriented Transport Protocol IOR : INMARSAT Indian Ocean Region Specification (Standards For Open Systems IOSS : Input Output Sub System Interconnection And Data Communication Published By IP : Information Button (mouse) ISO) IP : Information Paper ISO 8208 : International Organisation for Standardisation IP : Internetwork Protocol X.25 Packet Level Protocol for Data Terminal Equipment IPAG : Intellectual Property Advisory Group (Policy Document. Guidelines for Intellectual Property Rights) ISO 8326 : Basic Connection-Oriented Session Protocol IPAS : Integrated Preparation and Analysis System Specification (Standards For Open System Interconnection IPB : Inner Performance Boundary (Tunnel Concept) And Data Communication Published By ISO) IPC : Intermittent Positive Control ISO 8327 : Basic Connection-Oriented Session Protocol IPCC : Intergovernmental Panel for Climate Change Specification (Standards For Open Systems IPPC : Internet Pilot Planning Centre (Norway) Interconnection And Data Communication Published By IPG : Integration Project Group IS0) IPL : Initial Programme Loading ISO 8348 AD 1 : Network Service Definition, Addendum 1 : IPL : Intermediate Flight Plan Connectionless Mode Transmission (Standards For Oven IPR : Intellectual Property Rights Systems Interconnection And Data Communication IPRT : Internal Processing Response Time Published By ISO) IPS's : Intellectual Proprietary Rights ISO 8348 : Network Service Definition (Standards For IPSE : Integrated Programming Support Environment Open Systems Interconnection And Data Communication IPSky : Internet Technology in the Sky Published By ISO) IPT : Internal Processing Time ISO 8473 : Protocol For Providing The Connectionless- IPT Integrated Product Team Mode Network Service (Standards For Open Systems IPv6 : Internet protocol version 6 Interconnection And Data Communication Published By IQ : Intelligence Quotient ISO) IQ : Iraq (ISO countries codes) ISO 8649 : Service Definition For The Association Control IR : Ice on Runway Service Element (Standards For Open Systems IR : Infrared Interconnection And Data Communication Published By IR : Integrated Receiver ISO) IR : Iran (ISO countries codes) ISO 8650 : Protocol Specification For The Association IR : Iran Airlines (airline) Control Service Element (Standards For Open Systems IRAS : Interactive Radar Analysis System Interconnection And Data Communication Published By IREN : Incident Reporting European Network ISO) IRF : Incident Report Form (DECADE) ISO 8822 : Connection-Oriented Service Definition IRF : Interrogation Repetition Frequency (radar standard) (Standards For Open Systems Interconnection And Data IRIG : (clock) Communication Published By ISO) IRL : Ireland ISO 8823 : Connection-Oriented Presentation Protocol IRMA : Intermediate Redesigned MCC Architecture (Standards For Open Systems Interconnection And Data (ESCO/DECADE) Communication Published By ISO) IROI : Instantaneous Return on Investment ISO 8878 : International Organisation For Standard Use Of IRPL : Internal Repetitive Flight Plan X25 To Provide OSI (Open Systems Interconnection) IRR : Internal Rate of Return Connection Mode Network Services (Standards For Open IRS : Inertial Reference System Systems Interconnection And Data Communication IRS : Interface Requirements Specification Published By ISO) IRS : Intermediate Route Sequence (FPPS/DECADE) ISO 9000 : International Standards For Quality IRT : Interrogation Repetition Time Management, 1990 IRU : Inertial Reference Unit – part or IRS ISO 9072-1 : Remote Operations - Part 1 : Model. Notation IRVR : Instrument Runway Visual Range And Service Definition (Standards For Open Systems IS : Iceland (ISO Country Code) Interconnection And Data Communication Published By IS : Interface Specification ISO) IS : Intermediate System ISO 9072-2 : Remote Operations - Part 2 : Protocol ISA : Inertial Sensor Assembly - part of IRS Specification Version (Standards For Open Systems ISA : Innovative Slot Allocation Interconnection And Data Communication Published By ISA : Instantaneous Self-Assessment ISO) ISA : International Standard Atmosphere ISO 9545 : Protocol For Providing The Connectionless- ISB : Independent Sideband Mode Network Service (Standards For Oven Systems ISDN : Integrated Services (switched) Digital Network Interconnection And Data Communication Published By (=RNIS) ISO) ISDU : Inertial System Display Unit ISO 9595 : Common Management Information Service IS-ES : Intermediate System - End System Definition (Standards For Open Systems Interconnection ISL : Intermediate Supplementary Flight Level And Data Communication Published By ISO) ISLS : Interrogation Side Lobe Suppression ISO 9596 : Management Information Protocol - Part 1 : ISO 10737 : Transport Layer Management (Standards For Specification (Standards For Oven Systems Open Systems Interconnection And Data Communication Interconnection And Data Communication Published By Published by ISO) ISO) ISO 7498-3 : Basic Reference Model Part 3 : Naming And ISO : International Standards Organisation / Organisation Addressing (Standards For Oven Systems Interconnection internationale de normalisation And Data Communication Published By (ISO) ISOL : Isolated ISO 8072 : Transport Service Definition (Standards For OSI : Open System Interconnexion Open Systems Interconnection And Data Communication ISPACG : Informal South Pacific ATS Co-ordination Group Published By ISO) ISQMS : Integrated Safety and Quality Management ISO 8073 AD 1 : Connection-Oriented Transport Protocol System (Safety Domain) Addendum 2 : Class Four Operation Over Connectionless ISR : Independent Standby Radio ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 27 AAA (All Aviation Abbreviations) www.flyingineurope.be

ISS : Implementation Support Services ; Implementation K, k : Symbol for kilo (103) Support to States KAR : Karlsruhe ISS : Indirect sub-System KARLDAP : Karlsruhe Automatic Data Processing and ISSS : Initial Sector Suite System (FAA) Display System IST : Indirect Support Task KB : Kilo Byte IT : Information Technology Kbps : Kilobits per second IT : Italy (ISO Country Code) KBS : Knowledge-Based System ITA : Integrated Task Analysis (of ATCOs) KCAS : Calibrated Airspeed expressed in Knots ITA : International Telegraph Alphabet KDS : Keyboard Display System (Station) ITA-2 : International Telegraph Alphabet Number 2 KE : Kenya (ISO Country Code) ITAEG : Information Technology Advisory Expert Group KE : Korean Airlines (airline) (Standardisation, EPD - CEN/CENELEC/ETSI) KECU : Thousands of European Currency Units ITAM : Integrated Task Analysis Methodology KfV : Kuratorium für Verkehrssicherheit (AT) / The ITF : International Transport Workers Federation Austrian Traffic Safety Board ITI : Italian Interface KG : Kilogram ITID : Individual Training- Instructor-dependent Khz : KiloHertz ITIRS : International Terrestrial Reference System KIAS : Knots Indicated Air Speed ITM : Intermediate Approach controller KIDS : Karlsruhe Interim DCTS ITMD : Individual Training - Material-dependent KIS : Keyboard Input Station ITR : International Transit Route KL : KLM – KLM Cityhopper (airline) ITSTC : Information Technologie Steering Committee KLDAP : KARLDAP + Langen (D) ITT : Invitation Property Rights KLM : Royal Dutch Airlines ITU WARC-95 : International Telecommunication Union KLOC : thousand lines of code World Radio Conference km, KM : kilometer ITU : International Telecommunications Union KM : Air Malta (airline) ITU-T : International Telecommunications Union - Km/h ,KMH : kiliometres per hour Telephone KNMI : Koninklijk Nederlands Meteorologisch Instituut (NL) IUCM : IFPS Unit Configuration Manager / Royal Netherlands Meteorology Institut IVR : Immersive Virtual Reality KOX : Karlsruhe Operational Exchange IVSI : Instantaneous Vertical Speed Indicator kPa : KiloPascal IVSN : Initial Voice Switched Network KPA : Key Performance Area (PRC) IWGE : International Working Group on (air) Exercises KPI : Key Performance Indicator IWP : Intermediate Waypoint KPT : Karlsruhe Planning Team KR 20 : A measure of the internal consistency, or -J- homogeneity, or scalability, of a test material (Ferguson, 1976). JAA : Joint Aviation Authority (consists of 29 ECAC KR : Knowledge of Result National Aviation Authorities) KSA : Knowledge, Skills, Abilities JAA AMC : JAA Acceptable Means of Compliance KSAO : Knowledge, Skills, Abilities, and Other personal JAA OPS : Joint Aviation Authorities Operations requirements Committee KT/KTS : knots (i.e. 1 NM/hour) JAAB/JAA-B : Joint Boards KTD : Keyboard Tabulator Display JAAC/JAA CE : JAA Committee KU : Kuwait Airways (airline) JAARC : JAA Research Committee KUAC : Karlsruhe Upper Aispace Control Centre JAC : Joint Airmiss Committee (UK) Kurtosis : A term which refers to the flatness or JACC : Joint Area Control Centre peakedness of one distribution in relation to another JAL : Japan Air Lines (Ferguson, 1976). JAMC : Joint Airspace Management Cell (UK) KW, kW : Kilowatt JAR : Joint Aviation Requirements KYB : Keyboar JAR :Joint Airworthiness Regulations KZ : Nippon Cargo Airlines (airline) JAR : Joint Airworthiness Requirement JAR-OPS : Joint Airworthiness Requirements Operations -L- JATO Jet Assisted Takeoff JD TF : Job Description Task Force l : Liter JIT : Joint Implementation Team (chaired by Eurocontrol) L : Left (also: runway identification) (ESCO) MADAP/KARLDAP L : Locator JL : Japan Air Lines (airline) L : Luxembourg JMCT : Job Management Consultative Team [job analysis] L : Tones injected by the local switch JOINT : Joint Operational Incidents Training L/T : Long-Term JOT : Joint Operational Team (ESCO) LA : LAN Adapter JP : Japan (ISO Country Code) LA : Local Action JPDA : Joint Probabilistic Data Association LAA : Local Airport Advisory JPEG : Joint Photographic Expert Group LAA : Local Area Argumentation JSP : Joint Services Publication LAADR : Low Altitude Airway Departure Route JSRA Joint Sponsored Research Agreement LAAS : Local Area Augmentation System JST : Joy Stick LACK : Logical Acknowledgement JTIDS : Joint Tactical Information Distribution System LACK : The positive logical response message used for JTST : Jet Stream air/ground data communications, as defined within the JU : JAT – Yugoslavian Airlines (airline) ICAO Manual for ATS Data Link Applications JURG : Joint Users' Requirements Group (Eurocontrol LAD : Look Ahead Display Representative' in the IATA/AEA ) LADGNSS : Local Area Differential GNSS LADGPS : Local Area Differential Global Positioning -K- System LAF : Local Adaptation Functions K : Thousend

LAHSO : Land and Hold Short Operations LIDAR : Light Detection and Ranging LAM : Ljubljana ATC Data Processing System LIDO : Lufthansa Integrated Dispatch Operation LAM : Logical Acknowledgement Message LIH : Light Intensity High LAM : The positive logical response message used for LIL : Light Intensity Low ground/ground data communications, as defined within the LIM : Light Intensity Medium Eurocontrol Standard for On-Line Data Interchange LIM : Limit LAMPS : Long Term ATCO Manpower Planning LIM/MID/RAN : Limited Middle East Regional Air Simulation Navigation Conference (ICAO) LAN : Inland LIP : Light-pen LAN : Local Area Network LIP : Limited Installation Program (e.g. TCAS) LANDA : Logistics and Administration LIRL : Low Intensity Runway Lights LANSU : Local Air Navigation Service Unit (DFS) LISREL : Linear Structural Relations LAP-B : Link Access Procedure (Protocol type B) LIW : Label Input Window LAR/LRR : Long Range Radar LLC : Link Layer Control LARS : Lower Airspace Radar Service LLC : Logical Link Control (RMCDE) LAS : Last Assigned Landing Slot LLC-I : Logical Link Control - Class I LAS : Lower Airspace Sector LLM : L-band Land Mobile LASER : Light Amplification by Stimulated Emission of LLT : Low Light Television Radiation LLTR : Low Level Transit Route LASKA : Learning And Skills Acquisition LLWAS : Low Level Windshear Alert System LAT : Latitude LLZ : Localizer (part of an ILS system) LATC : Local Air Traffic Control LM : Compass Locator at ILS Middle Marker LATCC : London Air Traffic Control Centre LM : Low/Medium ATC Complexity LATCO : Licensing of Air Traffic Control Officers (ICAO LMM Compass locator at the middle marker Study Group) LMO : Leadership Management and Organisation LAU : Local Approach Unit LMT : Local Mean Time LAWRS : Limited Aviation Weather Reporting Station LNA : Low Noise Amplifier LB : Pounds (weight) LNA/DPLX : Low Noise Amplifier/Diplexer LB : Local Battery (circuits) L-NAV : Lateral Navigation (provides computer description LC : Local Control of aircraft's planned lateral flight path that can be tracked LCC : Lifetime Cycle Costing by the autoflight system; lateral path can be shown on map LCD : Liquid Cristal Display display.) LCG : Load Classification Group LNG : Long (used to indicate the type of approach desired LCIPD : Local Convergence and Implementation or required) Programme Document / Document CIP local LNO : Olno (Belgium sector indication) LCM : Late Change (modification) Message (designator) LO : Local Oscillator LCN : Load Classification Number LO : Locator Outer LCN : Local Communications Network LO : Low LCTD : Located LoA : Line of Action LDA : Landing Distance Available LOA : List of Abbreviations LDA : Localizer Type Directional Aid LoA, LOA : Letter of Agreement ; Letter of Offer and LDAH : Landing Distance Available Helicopter Acceptance LDB : Limited Data Block LOC : Lines of Communications LDG : Landing LOC : Localiser Beam LDGNSS : Local Differential Global Navigation Satellite LOC : Local or Locally or Location or Located System LOE : Line Oriented Evaluation LDGPS : Local DGPS LOFT : Line-Orientated Flight Training LDI : Landing Direction Indicator LoL : Loss of Licence LDT : Logistic Delay Time LOM : Compass Locator at the Outer Marker Lect : Lecture LON : Longitude LED : Light Emitting Diode LONG : Longitude LEFCO : Project for the procurement of new ATM facilities LOP : Local Operating Procedure in Nicosia ACC LOPAR : Low Powered Acquisition Radar LEFD : Local Essential Flight Details LORAN : Long Range Navigation (electronic pulse system LEN : Lenght for oceanic navigation) LEO : Low Earth Orbit LORAN-C : A hyperbolic grid navigation system Lesson : Lesson / Demonstration LOS : Level Safety LF : Late Filer LOS : Line of Sight LF : Later Filter LOS : Line-Oriented Simulation LF : Low Frequency LO : LOT Polish Airlines (airline) LFA : Local Flying Area LOW : Lower airspace LFC : (Swedish) Air Defence Centre or (unit) LR : Linear Regression LFHB : Low Flying Handbook LRC : Legal ReCording LFL : Last (reported) Flight Level LRC : Legal Requirement Cell LFP : Low Pass Filter LRC Long Range Cruise LFPP : Limited Flight Plan Processing LRG : Long Range LFR Low-frequency Radio Range LRL : Local Recording Logistics LFS : Low-Fidelity-Simulation LRM : Line Replaceable Module LFU : Late Filer and Udater LRM : Logical Rejection Message LFV : Luftfartsverket (CAA of Sweden) LRN : Long Range Navigation LGT : Light or Lighting LRR : Long Range Radar (SRE) LGTD : Lighted LRS : Local Route Sequence LH : Left Hand (turn) LRU : Line Replaceable Unit LH : Lufthansa (airline) LRU : Lowest Replacable Unit LHCP : Left Hand Circular Polarisation LRW : Long Range Warning LHR : London Heathrow (UK) ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 29 AAA (All Aviation Abbreviations) www.flyingineurope.be

LS : Loudspeaker MACS : Multiple Access Communications System LSA : Logistic Support Analysis MAD : Model of Activity for Design LSAS : Longitudinal Stability Augmentation System (MD- MADAP : Maastricht Automated Data Processing and 11) Display System LSB : Least Significant Bit MADREC : Maastricht Data Recording LSC : Life Support Cost (Cyprus) M-ADS : Modified Automatic Dependent Surveillance LSI : Large Scale Integration (ICAO) LSP : Loud Speaker MAESCAPE : Eurocontrol Simulation Capability and LSR : Loose Snow on Runway(s) Platform for Experimentation tailored to Maastricht UAC LSRRTI : Leningrad Scientific Research Radio Technical requirements Institute MAESTRO : Means to Aid Expedition and Sequencing of LSS : Lightning Sensor System Traffic with Research and Optimisation LT : Left Turn MAG : Magnetic LT : Local Time MAHF : missed Approach Holding Fix LT : Lithuania (ISO Country Code) MAHWP : Missed Approach Holding Waypoint Lt : Sequence Time Requirement MAINT : Maintenance LTD : Limited MALS : Medium Intensity Approach Light System LTF : Licensing Task Force MALSF : Medium Intensity Approach Light System with LTIOV : Latest Time Information of Value Sequenced Flashers LTM : Local Traffic Management MALSR : Medium Intensity Approach Light System with LTM : Long Term Memory Runway Alignment Indicator Lights LTOG : Long Term Objectives Groups (EASIE, PHARE, MAN : Manual Message FEATS, COPS etc) MAN : Metropolitan Area Network LTP : Landing Threshold Point MANACT : Manual Activation message LTP : Legal and Technical Panel MANTEA : Management of Surface Traffic in European LTSS : Long Term Systems Studies Airports LTT : Landine TeleTypewriter MAP : Aeronautical Maps and Charts LTV : Load Threshold Values MAP : Mapping LU : Late Updater MAP : Military Assistance Program LU : Luxembourg (ISO Country Code) MAP : Missed Approach LUG : Leerdam Users' Group MAPPER : Maintaining, Preparing & Producing Executive LUGS : Link up Glons-Semmerzake Reports LUX : Luxembourg (ISO countries Code) MAPt : Missed Approach Point LV : Laser Vision MAR : At Sea LV : Latvia (ISO Country Code) MAR : Mode A Reconstructor LV : Light and Variable (related to wind) MARAS : Middle Airspace Radar Advisory Service LVA : Large Vertical Aperture MARRES : Manual Radar Return Exploitation System LVB : Luchtverkeersbeveiliging (RLD-NL) MARS : Maastricht Reserve System LVE : Leave or Leaving MARS : Military Air Route Structure LVL : Level MARSA : Military Authority Assumes Responsibility for LVL CHG Level Change Separation of Aircraft LWG : Licensing Work Group MART : Message Acknowledge Response Time LX : Crossair (airline) MARTOS : MADAP Real-Time Operating System LY : El Al Israel Airlines (airline) MAS (UAC) : Maastricht Upper Area Control Centre LYR : Layer or Layered MAS : Manage Airspace LZ : Balkan Bulgarian Airlines MAS : Manual Assume of Control Message MAS : Manual A1 Simplex -M- MAS : Message Assurance Service MAS : Middle Airspace M:M : Many-to-Many relationship MAS : Military Agency for Standardisation M : Mach Number (followed by figures) MAS : Multiple Access Store M : Manual Tuned NAVAID MASAW : Minimum Safe Altitude Warning M : Million MASI : Mach Airspeed Indicator M : Modules (replaceable) MASOR : Military Area Services Operations Room M : Symbol for Mega (10+6) MASP : Minimum Aviation Specification Performance m : Symbol for milli (10-3) MASPS : Minimum Aircraft System Performance m. : meter Specification (ICAO) ; Minimum Aviation System m : Nautical mile (preceded by figures) Performance Standards m/sec : Metres per second MASS : Multi-Aircraft Simplified Simulator M/ASI : Mach/Airspeed Indicator MAST 4 : 4 States Integration and Maastricht M/T : Medium-Term Development Steering Group MA : Malev Hungarian (airline) MAST : Multi-Aircraft Simulation Terminal MA : Member Association MAT : Mackinnon Aerospace and Training MA : Message Assurance MAT : Message Acknowledge Time MA : Morocco (ISO Countries Codes) MATCC : Military ATC Centre MAA : Maximum Authorized IFR Altitude MATE : Multi-Aircraft Training Environment MAC : Management Advisory Committee MATIAS : Magyar (Hungarian) Automated and Integrated MAC : Mean Aerodynamic Chord Air Traffic Control System MAC : Medium Access Control (RMCDE) MATO : Military Air Traffic Operations MAC : Message for the Abrogation of Coordination MATRAC : Military Air Traffic Radar Control Centre MAC : Mid-Air Collision MATS : Manual of Air Traffic Services MAC : Military Airlift Command MATSE : ECAC Transport Ministers' Meeting on the Air MACC : Manchester Area Control Centre Traffic System in Europe MACC : Military Area Control Centre MATWP : Missed Approach Turning Waypoint MACE : Multi-criteria analysis for Concept Evaluation MATZ : Militairy Aerodrome Traffic Zone MACEN : Mando Centra ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 30 AAA (All Aviation Abbreviations) www.flyingineurope.be

MAU : Modular Avionics Unit MEHT : Minimum eye height over threshold (for visual MAV : Medium Access Control approach slope indicator system) MAWP : Missed Approach Waypoint MED : Medium MAX : Maximum MEDLL : Multipath Delay Lock Loop MAX CLB Maximum engine thrust for two-engine climb MEF : Minimum Essential Facilities MAX CRZ Maximum engine thrust for two-engine cruise MEFISTO : Modelling, Evaluating and Formalising MAZ : Mini ASCAP-ZKSD Coupling Interactive Systems using Tasks and Interaction MB : Mega Byte Objectives Mb : Millibars MEG : Magnetoencephalography MB : MariBor MEL : Minimum En-route Level MB-II : Multibus II (RMCDE) MEL : Minimum Equipment List MBA : Micro Burst Alert (used to warn of a loss of 30 knots MEMPAC : CBT on Memory, Perception, Cognition and or more associated with convective activity) Attention MBO : Management by Objectives MEO : Medium Earth Orbit Mbps : Mega Bits per second MES : Mobile Earth Station MBR : Mittel-Bereich radar MET : Meteorological or request METAR MBST : Microburst MET : Meteorological (office) MC : Main Computer MET/AIS : Meteorological and Aeronautical Information MC : Monaco (ISO Countries Code) processing System MCA : Minimum Crossing Altitude METAR : Aviation Routine Weather Report MCC : Main Computer Complex (Maastricht) METAR : Meteorological Aerodrome Report MCC : Military Control Centre METAR : Meteorological Aviation Routine Weather Report MCC : Mission Control Centre / Actual Report MCDU : Maintenance and Control Display Unit MEURO : Millions of EURO MCDU : Multi-Function Control and Display Unit (part of MF : Manning Factor FMS) MF : Medium Frequency MCDU : Multi-purpose Control and Display Unit (ACARS) MF : Metering Fix MCE : Management Centre Europe (seminars/courses) MF : Multiplication Factor MCF : Manning Calculation Formula MFA : Message Format Area MCG : Maastricht Co-ordination Group MFAL : Major Functional Areas List MCG : Minimum Climb Gradient MFC : Multi-Frequency Coding (telephone system) MCH : Modified Cooper-Harper rating scale for system MFC/LB : Multi-Frequency Coding / Local Battery workload assessment MFD : Multi Function Display MCMG : Military Committee Meteorological Group MFDA : Military Flight Data Assistant MCP : Management Control Point MFL : Military Flight List MCP : Mode Control Panel (pilots' interface to the MFLOPS : Million Floating Point Operations per Second autoflight system; usually located centrally just below MFPU : Mobile Field Processing Unit cockpit glare shield) MFS : Message from Shanwick MCS : Master Control Station MFUR : Most Frequently Used route MCS : Monitoring and Control System MGC : Main Graphics Controller MCS : Multi-Aircraft Cockpit Simulator MGT : Management MCSG : Military Committee Staff Group MGV : Miss Generation Volume MCT : Maastricht Co-ordination Team MH : Malaysia Airlines (airline) MCW : Modulated Continuous Wave MHDF : Medium and high frequency direction-finding MCT : Maximum Continuous Thrust station (at the same location) MCTR : Military CTR MHRS :Magnetic Heading Reference System MCU : Main CWP-Unit MHS : Message Handling Service MCU : Modular Concept Unit (Spitzer) MHT : Multi Head Tracking MCU : Minimum Configuration Unit MHT : Multi Hypothesis Technique MCU : Modular Component Unit MHVDF : Medium, high and very high frequency direction- MD : Moldova (ISO Country Code) finding station (at the same location) MD : McDonnell-Douglas Mhz : Megahertz MDA : McDonnell-Douglas Aerospace MI : Shallow (meteo) MDA/H : Minimum Descent Altitude/Height MIB : Management Information Base MDAU : Maintenance Data Acquisition Unit MIC : Microphone (VCS) MDCN : Military Diplomatic Clearance Number; for military MICAM : Military Code Allocation Method aircraft MID : Mid-point (related to RVR) MDD : Meteorological Data Distribution (function) MID : Middle-East Region (ICAO) / Moyen-Orient MDF : Main Distribution Frame MIDAS : Man-machine Integration Design analysis System MDF : Medium Frequency direction-finding Station MIDAS Multi-discipline Data Analysis System MDH : Minimum descent Height MIDS : Multi-Function Information Distribution System MDI : Manage Document Inputs MIF : MTI Improvement Factor MDI : Minimum Departure Interval MIFG : Shallow fog MDL Multipurpose Data Link MIG : Mikojan - Gurevich MDP : Maastricht Development Plan MIL : Military MDP : MADAP Data Processor MILATCC : Military Air Traffic Control Centre MDS : Management Document Storage MILE : Multiple Integrated Laser Engagement System MDS : Minimum Detectable Signal MIL-HDBK : Military Handbook MDT : Mean Down Time MILREP : Military Representation MEA : Minimum En-route Altitude (ICAO) MILSATCOM : Military Satellite Communications MEB : Main Earthing Bar MILSPEC Military Specifications MECA : Model for the Economical evaluation of the MIL-STD : Military Standard Capacities of the ATM system MIN : Message Identification Number MECO : Main Engine Cutoff min : minutes MECU : Millons of ECU MIN : Minimum

MINIT : Minutes in Trail. A specified interval between (Specifications) / FAA aircraft expressed in time MOR : Military Operational Requirements MINIPLN : Set of Flight plan related information provided MORS : Mandatory Occurrence Reporting Scheme by an FPPS to an ARTAS Unit, used for track labelling MOS : Minimum Operating Standard MINLINEUP : Minimum time to line-up for take-off MOS : Minimum Operating Strip MIO : Military Sector Input Operator MOSD : Mission, Objectives and Strategy Document MIP : Multinational Information Production MOT : Ministry of Transport MIPS : Million Instructions per Second MOT&E : Multinational Operational Testing and Evaluation MIR : Master Inspection Record MOTNE : Meteorological Operational Telecommunications MIRACULIX : Multi Interface Radarformat Calculator and Network Europe User Line Information Exchange MOU, MoU : Memorandum of Understanding MIRL : Medium Intensity Runway Lights MOUSES, MOUSES TF : Mode S Operational Use of MIS : Management Information Service/Systems User Enhanced Surveillance Task Force MIS : Management Information System MOV : Move or Moving or Movement MIS : Manual Input Station MOW : Message Out Window MIT : Miles in Trail. A specified interval between aircraft MOX (-B) : Maastricht Operational Telephone Exchange expressed in nautical miles. (version B) MITRE : Massachusetts Institute for Technology, Research MP : Manpower Planning and Engineering MP : Martinair (airline) MIW : Message In Window MP : Mental Picture MK : Macedonia (ISO Country Code) Mp : Microprocessor MKR : Marker Radio Beacon MPa : Maximum Tyre Pressure Allowable MLD : Military Liaison Division MPA : Maritime Patrol aircraft MLDT : Mean Logistic Down Time MPA : Military Planning Assistant MLA : ManeuverLimited Altitude MPC : Message Processing Centre MLE : Landing Gear Extended Placard Mach Number MPC : Military Planning Controller MLS : Microwave Landing System MPDR : Medium Powered Doppler Radar MM : Mental Model MPEG : Moving Pictures Expert Group MM : Middle Marker MPH : Statute Miles per Hour mm : Millimetre MPL : Mini Flight Plan MMEL : Master Minimum Equipment List MPO : Maastricht Project Office MMI : Man-Machine Interface. See HMI MPO : Management Project Office MMIL : Martin-Marietta International Link MPR : Medium Powered Radar MMO : Main Meteorological Office MPR : Swedish National Board for Measurement and MMO : Mach Max Operating Testing MMOC : Martin-Marietta Overseas Corporation MPRT : Menu Preview Response Time MMPI : Minnesota Multi-phasic Personality Inventory MPS : Meters per Second MMR : Multi-Mode Receiver MPW : Maximum Possible Weight MN Magnetic North MPS / MPSG : Manpower Planning Sub-Group MNC : Major NATO Commander MPs : Manpower Planners MNCC : Multinational Coordination Centre MPS : Minimum Performance Specification MNM : Minimum MP-SEC : Management Planning System Evaluation and MNPS : Minimum Navigation Performance Specification Control MNPSA : Minimum Navigation Performance Specification MPT : Minimum Performance Transponder Airspace MPX : Multiplex (Transmission) MNS : Mobile Network Services MRA : Military Reserved Airspace MNT : Mach Number Technique MRA : Minimum Reception Altitude MNT : Monitor, Monitoring, or Monitored MRC : Military Radar Controller MNTN : Maintain MRC : Monitoring and Remote Control MNWG : Multi-national Working Group MRCA : Multirole Combat Aircraft MOA : Memorandum of Agreement MRDP : Multi Radar Data Processing MOA : Militairy Operating Area MRDPS : Multi Radar Data Processing System MOB : Mobile MRDV : Multi Radar Daten Verarbeitung / Multi-Radar MOC : Memorandum of Co-operation Processing System MOC : Minimum Obstacle/Obstrucion Clearance (required) MRG : Medium Range MOCA Minimum Obstruction Clearance Altitude MRI : Master Record Index (MAS - ODS) MOCBITE : Maastricht Operational Computer Based MRK : Marker (RLB) Information, Training and Examination System MRL : Minimum Risk Level MOD : Ministry of Defence MRM : Minimum Required Manoeuvre (OCD) MOD : Moderate (used to indicate the intensity of weather MRP : ATIS/MET Reporting Point phenomena, interference or static reports e.g. MOD RA = MRRP : Minimum Risk Routing Point moderate rain) MRS : Monitoring and Ranging Stations MOD : Modified/Modification MRSA : Mandatory Radar Service Area Mode S Type of secondary surveillance radar (SSR) MRT : Mean Response Time equipment which provides Mode A and Mode C MRT : Monitoring R/T, an ACM service message interrogations, discrete address (Mode S) interrogations MRT : Multi Radar Tracking from the ground or air, and a data link capability MRTS : Multi Radar Tracker and Server (System) MODIS Moderate-resolution Imaging Spectrometer MRT-VU : Multi Radar Tracking using Variable Update MoF : Minister of Finance MRU : Projekt Marknadsföring Rekrytering Urval och MOF : Mode of Flight Utbildning (SE) / Project for marketing, recruitment, MOGAS : Motor Gasoline selection and training for ATCO students, in Sweden MON : Above Mountains MRVA : Minimum Radar Vectoring Altitude MON : Centre of Expertise Monitoring ms : millisecond MONA : Monitoring Aids MS : Egypt Air (airline) MONA User : Monitoring Aids User MS : Minus MOPS : Minimum Operational Performance Standards MSA : Minimum Safe/Sector Altitude ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 32 AAA (All Aviation Abbreviations) www.flyingineurope.be

MSAS : MTSAT Satellite Based Augmentation System MVDF : Medium and very high frequency direction-finding MSAW : Minimum Safe Altitude Warning station (at the same location) MSB : CFMU – Management Support Bureau MVE : Move MSB : Most Significant Bit MW : Megawatt MSC : Maastricht Steering Committee MW : Microwave link MSC : Meteorological Services Communication mW : Milliwatt MSC : Miscellaneous Simulation Facility MWA : Message Warning Area MS-DTS : Medium Speed-Data Transmission System MWO : Meteorological Watch Office MSF : Master Simulation Facility MWP : Meteorological Working Position MSG : Manpower Sub-Group MWP Meteorological Weather Processor MSG : Message MWT(A) : Mean Waiting Time, Administrative MSGDLP : Mode S Ground Data Link Processor MWW : Upper Wind and Temperature Forecast (message) MSGSUM : Message Summary MX : Mixed type of ice formation (white and clear) MSGTXT : Message Text MXCOP : MADAP Exit Co-ordination Point MSK : Minimum Shift Keying MXFL : MADAP Exit Flight Level MSL : Mean Sea Level MSP : Mode S Specific Protocol -N- MSP : Multi-sector planning MSRT : Mean Services Restoration Time N : Neper MSS : Message Storage System N : North MSSA : Message Switching System N : No distinct tendency (in RVR during previous 10 MSSR : Monopulse Secondary Surveillance Radar minutes) MST : Multiple Sensor Tracking n : Symbol for nano- (10-9) MSTU : Multiple Stagger Trigger Unit N1 : Engine low pressure rotor speed MSU : Management Storage Unit N90 : New York Tracon MSU : Mode Select Unit N/A : Not Applicable MSUP : Military SUPervisor N/C : Not Comparable MT : Malta (ISO Country Code) NA : National Administration MT : Mountain NA : Not Available MTA : Military Training Area NA : Not Authorized MTAC : Multiple Time Around Clutter NABS : National Augmentation Broadcast System MTAT : Multiple Time Around Targets NAC : North Atlantic Council MTBCF : Mean Time Between Critical Failures NACA National Advisory Committee for Aeronautics MTBF : Mean Time Between Failures NACMA : NATO Agency for Air Command and Control MTBR : Mean Time Between Removals System Management MTBUR : Mean Time Between Unscheduled Removal NADC : NATO Air Defence Committee MTCA : Medium Term Conflict Alert / Assistance (ODID) NADGE : NATO Air Defence Ground Environment MTCD : Medium Term Conflict Detection NADIN : National Airspace Data Interchange Network MTCDR : Medium-Term Conflict Detection and Resolution NADIN II National Airspace Data Interchange Network II MTCEP : (Short) & Medium Term Capacity Enhancement (the national digital message switching network for Plan aeronautical data) MTD : Mean Down Time NAEW & C : NATO Airborne Early Warnings (and Control) MTD : Micro Tabular Display NAFTA : North American Free Trade Agreement (Canada, MTD : Moving Target Detection US, Mexico) MTF : Modulation Transfer Function NAGU : Notice Advisory to GLONASS Users MTI : Moving Target Indicator NAI : Non Automated Initiation MTMA : Major TMA NAIA : New Athens International Airport MTN : Mega Transport Network NAIS : Norwegian Aeronautical Information System MTOM : Maximum Take-Off Mass NAK : Negative Acknowledgement (ICAO) MTOW : Maximum Take-Off Weight NALLA : National Long Lines Agency MTP : Medium Term Plan NAM : North America Region (ICAO) MTPA : Mobile Transponder Performance Analyser NAMC : National Airspace Management Cell Mtraq : Multi track quality NAME : Nadge - ADMAR Message Exchange MTS : Manoeuvrable Target Simulator NAMILCOM : NATO Military Committee MTS : Memory Time Switch (ACS) NAMSA : NATO Maintenance and Supply Agency MTSAT : Multi-Functional Transport Satellite NAMSO : NATO Maintenance and Supply Organisation MTTF : Mean Time To Failure NANU : Notice Advisory to NAVSTAR Users MTTR : Mean Time To Repair (CBN - CNG) NAP : National Associated Programmes MTTRlru : Mean Time to repair LRU NAR : North American Route System MTTRp : Mean Time to repair product NARDS : Norwegian Automatic Dependent Surveillance MTTRsru : Mean Time to repair SRU NARFA : National Radio Frequencies Agency MTU : Master Trigger Unit NARG : Navigation Aids and Area Navigation Group MTU : Metric Units (ICAO - EANPG) MTW : Mountain Waves NARSIM : NLR ATC Research Simulator MTWA : Maximum take-off Weight Authorized NAS : National Airspace System MU : Management Unit (ACARS) NAS : Naval Air Station MU : Mu Meters NAS National Aircraft Standard MUAC : Military Upper Area Control (Centre) NAS : Network Administration System (DAKOS, FFM / MUD : Mud RAPNET - MAS UAC) MUDPIE : Multiple User Data Processing Interactive NASA : National Aeronautics and Space Administration Environment (US) MUNI : Municipal NASA RTLX : NASA Raw Task Load indeX MURATREC : Multi Radar Track Reconstruction (System) NASA TLX : NASA Task Load indeX MUSAC : Multiple Switching and Confirming (VCS) NASC : National AIS System Centre MUT : Mean Up Time NASPAC : National Airspace Performance Analysis MUX : Multiplex Capability ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 33 AAA (All Aviation Abbreviations) www.flyingineurope.be

NAS-Plan : National Airspace Plan NEB : Northeast Bound NAT : North Atlantic Tracks NECP : Entry Coordination Point NAT ADS : North Atlantic Automatic Dependent NEG : No or Negative or permission not granted or that is Surveillance not correct NAT ATMG : North Atlantic Air Traffic Management NEGATIVE RA : RA applying maximum vertical rate (eg NATCA National Air Traffic Controllers Association don't descend > 500 ft/min) NAT CADAG : North Atlantic Communications Automation NEI : Noise Exposure Index and Data Link Applications Group NERC System : New En-Route Centre System (UK) NAT CMA : North Atlantic Region Central Monitoring NERC : New En-Route Control Centre (UK) Agency NERS : North Atlantic European Routeing Scheme NAT IMG : North Atlantic Implementation Management NES : Navigation Ground Earth Stations Group NESDIS National Environmental Satellite, Data, and NAT MWG : North Atlantic Mathematicians Working Group Information Service NAT OPS MNG : North Atlantic Operations Managers NET : Network Entity Title Meeting NETCAP : Network Capacity (simulator) NAT RSSIG : North Atlantic Reduced Separation Standard NET-TF : Circuit Provisioning and Network Management Implementation Group Task Force NAT SPG : North Atlantic Systems Planning Group (ICAO) NEWCTOT : New Calculated Take-Off Time NAT VSIG : North Atlantic Vertical Separation and NEWEOBD : New Estimated Off-Block Date Implementation Group NEWEOBT : New Estimated Off-Block Time NAT NAM : North Atlantic / North America (ICAO Regions) NEWETOT : New Estimanted Take-Off Time NATCON : North Atlantic Concept NEWPTOT : New Provisional Take-Off Time NATINAD(S) : NATO Europe Integrated Air Defence NEWRTE : New Roure (System) NEXRAD : Next Generation Weather Radar NATMC : NATO Air Traffic Management Committee NF : Noise Figure (former CEAC) NFDC : Natianal Flight Data Center (USA) NATN : (Swedish) National Aeronautical NFL : Entry Flight Level (Re-Entrant Flight) telecommunications Network NFPPDS : National Flight Plan Processing System NATO : North Atlantic Treaty Organisation N-FRG : Northern Federal Republic of Germany NATS : National Air Traffic Services (UK) NFS : Network Filing System NATSPG : North Atlantic Systems Planning Group (ICAO) NGATM New Generation Air Traffic Manager NAT-TFG : North Atlantic Air Traffic Forecasting Group NGT : Night NAV : Navigation NHIP : Nordic Harmonisation and Integration Programme NAV-1 : Radar Data System (Portugal) NIK : Nicky VOR NAVAID : Navigation(al) Aid NIL : None or I have nothing to send to you NAVDB : Navigation Data Base NIM : Navigational Integrity Monitoring (ICAO) NAVSAT : Navigation Satellite NIMA : National Imagery and Mapping Agency (of the US NAVSEP : Navigation and Separation Specialist Panel Department of Defence (DOD) NAVSTAR : Navigation Satellite Timing and Ranging NIT : Nordic Implementation Team System NJRASA : Northern Joint Radar Advisory Service (UK) NB : Northbound NL : the Netherlands (ISO Country Code) NBAA National Business Aircraft Association NL : Network Layer NBFR : Not Before NLA : New Large Aircraft NBO : (in a NOTAM) N: Indicates for immediate attention NLC : Netherlands Aviation College(NL) / Nederlands of aircraft operators, B: for inclusion in PIB's and O: Luchtvaart College Operationally significant for IFR flights. NLES : Navigation Land Earth Station NC : No Change NLM : Nederlandse Luchtvaart Maatschappij (airline) NC : Non-Critical NLM Network Loadable Module NC : Normally Connected NLR : Nederlands Lucht- en Ruimtevaart Laboratorium NCAA : NATO Civil Aviation Authority (NL) / National Aerospace Laboratory NCAA : Norwegian Civil Aviation Authority NLT : Not Later Than NCAB : National Civil Aviation Board NM : Negotiation Manager (PATs) NCAIC : National Civil Aviation Information Centre NM : North Marker NCCA : No Clearance to Civil Aircraft nm, NM : Nautical Mile (1.852 m) NCD : No Computed Data NMAC : Near Mid-Air Collision NCIPD : National CIP Documents NMC National Meteorological Center NCMS : Network Channel Management Station NMC : Network Management Centre (Cell) (RAPNET / NCN : Non Compliance Notification MAS UAC / DAKOS) NCOP : Entry Coordination Point NME/ad hoc : Ad Hoc Working Group of National NCS : Navigational Computer System Management Experts NCS : Network Communication System NMIL : Nieuw Milligen NCS : Network Control System / Station (CBN - CNG) NML : Normal NCW : Non Conformance Warning NMR : Nautical Miles Radius ND : Navigation Display NMR : National Military Representative ND : Network Digit (CCITT X.121 Structure) NMS : Navigation Management System NDA : National Distribution Agency NMS : Network Management System / Switch NDA : Next Data Authority (ICAO) NMU : Navigation Management Unit NDB : Nav Data Base NNE : North-North-Eeast NDB : Non-Directional Beacon NNW : North-North-West NDE : Node Processor NO : Norway (ISO Country Code) NDS : Non-Deviation Status NOAA : National Oceanic and Atmospheric Administration NDS : Nuclear Detection System NOAA : New Optimised Approach for ATSM Workshop NE : North-East NOC : Network Operation Centre NEAN : North European ADS-B Network NODE : NATS' Operational Display Equipment NEAP : North European Application Project NOF : NOTAM Office NOG OA&M : NOG Operations, Administration & ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 34 AAA (All Aviation Abbreviations) www.flyingineurope.be

Maintenance Subgroup (CNG - CBN) Nl Engine Revolutions per Minute (percent) NOG : Northern Telecom Network Operator's Group (CNG - CBN) -O- NOG-FSG : NOG Features Subgroup (CNG - CBN) NOMAS : NOTAM Management System (NL) O/R : On Request NONSTD : Nonstandard O/T : Other Times NOPT : No Procedure Turn Required O : Oceanic NORAC : No Radio Contact OA : Olympic Airways (airline) NORDO : No Radio (Aircraft without radio) OAC : Oceanic Area Control Centre NOS : Network Operating System OACA : Office of Airports and Civil Aviation / Office des NOSIG : No Significant Change (Used in trend-type Aéroports et de l'Aviation Civile landing forecasts) OACC : Oceanic Area Control Centre NOTAM : Notice to Airmen ( A notice containing OAG : Official Airlines Guide information concerning the establishment, condition or OAS : Obstacle Assessment Surface change in any aeronautical facility, service, procedure or OAS : Oceanic Automation System (ICAO - ADS) hazard, the timely knowledge of which is essential to OASIS : Oceanic Area System Improvement Study personnel concerned with flight operations) OASIS : Open Architecture for Simulation Systems NOTAMN : New Notam OASIS : Open ATC System Integration Strategy (OCD) NOTAMR : Notam Replacing another Notam OASIS : Operational Application of Special Intelligence NOTAMC : Notam Cancelling another Notam Systems NP : Network Protocol OASYS : Obstacle Avoidance System NPA : Non Precision Approach OAT : Operational Air Traffic NPDU : Network Protocol Data Unit (RMCDE) OAT : Outside AirTemperature NPL : Night Plan OATS Orbit and Attitude Tracking NPO KIP : [Russian]. Scientific Production Organisation ; OBA : Off-Bore Sight Angle Scientific Production Institute of Space Device Building Obj. : Objective in CIP NPO PM : [Russian]. NPO Prikladnoi Mekhaniki OBR : Obnova Radiolomunikaci (YU) / Renewal of Air- (RU)Scientific Production Institute for Applied Mechanics Ground Communications NPO : Scientific Production Organisation [Russian] OBS : Organisational Breakdown Structure NPRM : Notice of Proposed Rule Making (FAA) OBS : Observe or Observation Status NPV : Net Present Value OBSC : Obscured, Obscure, or Obscuring NPV : Non-Precision Approach procedure with Vertical OBST : Obstacle, Obstruction Guidance OBSTL : Obstrucion Lights NR : Noise Rating OBT : Off Block Time Nr. : Number OBTEX Offboard Targeting Experiments NRF : NATS Research Facility OC : Object Correlator NRH : No Reply Heard OCA : Oceanic Control Area NRL : (US) Naval Research Laboratory OCA : Obstacle Clearance Altitude NRP : North Reference Pulse OCAP : Out of Control Action Plan NRP : National Route Plan/Program OCC : Operations Control Center NRZ : Non Return to Zero (RMCDE) OCC : Occulting (light) NRZI : Non Return to Zero Inverted (RMCDE) OCD : Operational Concept Document for the EATCHIP ns : Nanosecond Phase III System Generation NS : Navigation Separation OCH : Obstacle Clearance Height NS : Next Sector OCL : Obstacle Clearance Limit NS : Nimbostratus OCL : Oceanic CLearance delivery NSAP : Network Service Access Point OCNL : Occasional or Occasionally NSC : New Scottish Center OCM : Oceanic Clearance Message NSC : No signifant clouds (meteo) OCP : Obstacle Clearance Panel NSC : Notice to Airmen Selection Criteria OCP : Operational Computer Programme NSD : Navigational Status Display OCR TF : Operational and Certification Requirements NSDU : Network Service Data Unit Task Force NSE : Navigation System Error OCR : Operational and Certification Requirements NSM : Network System (Sensor) Manager OCR : Optical Character Recognition NSSG : Navigation and Separation Sub-Group OCS : Obstacle Clearance Surface NSSR : Next/New Secondary Surveillance Radar Code OCS : Operational Control Segment NSTB : National Satellite Test Bed OCT : Onward Clearance Time NSVN : NATO Secure Voice Network OCT : Operational Control Terminal (VCS) NSW : No significant weather (meteo) OCTF : Operation Concept Task Force NSWC : Naval Surface Warfare Centre OCU : Operational Conversion Unit NT : Northern Telecom (RMCDE) OCV : Operational Coverage Volume NTAP : Notice to Airman Publication OCX : New Object similar to VBX NTE : Not to exceed OD : Organisation and Development (Unit attached to the NTM F/T SIM : Nattenheim Fast Time Simulation Director General) NTN : Network Terminal Number (CCITT X.121 Structure) ODA : Open Document Architecture NTRY : Entry ODAPS : Oceanic Display And Planning System NTSB : National Transportation Safety Board (US) ODAPS Operational OGE Data Acquisition and Patch NUA : Network User Address Subsystem NUDET : Nuclear Detection ODAX : Name of military exercises NVFR : VFR by night ODC : Office of Defence Cooperation NW : North-West ODETE : On-line Data Exchange Terminal NW : Northwest Airlines (airline) ODF : Oceanic Development Facility (ICAO) NWB : Northwest Bound ODIAC, ODIAC-TF : Operational Development of Initial NWS : National Weather Service Air/Ground Data Communications Task Force NXRPT : Next Reporting Point ODID : Operational Display and Input Development NXT : Next ODIF : Open Document Interchange Format ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 35 AAA (All Aviation Abbreviations) www.flyingineurope.be

ODIN : (Swedish) Briefing System (AIS) ; ATM Working Rules and Operational Requirements ODP : ATM Operational Requirements & Data Processing OPS : Operational Services, Centre of Expertise EEC ODS : Operational Display System (ESCO) OPS : Operations ODS : Operator input and Display System OPS : CFMU/FMD – Operations Section ODT : Operational Requirements and Data Processing OPSEC : Operational Security Team OPSP : Operations Panel ODU : Output Distribution Unit OPSroom : Operations Room OECD : Organisation for Economic Co-operation and OPT : Operational Testing Development (= OCDE) OPT Optimum OEM : Original Equipment Manufacturer O-QAR Optical Quick Access Recorder OFAC : Office Fédéral de l'Aviation Civile (CH) / Federal OQPSK : Offset Quadrature Phase Shift Keying Office for Civil Aviation (=FOCA) OR : Operational Requirement OFFPDR : Off Predetermined Route ORA : Operational Research and Analysis Group OFIR : Oceanic FIR ORCAM : Originating Region Code Assignment Method OFIS : Operational Flight Information System ORD : Indication of an Order OFL : Off-Line ORGMSG : Original Message OFS : Ordered Field Sequencing ORGN :Original OFST Lateral Offset Active Light ORGRTE : Original Route OGE Operational Ground Equipment ORIG : Original OGM : Objectives > Goals > Mission ORD : Operational Requirements Document OH : Operational Handbook ORM : Operational Reply Message OHD : Overhead ORMAQ : Operation Room Management Attitudes OHP : Over Head Projector Questionnaire OHTF : Operational Harmonisation Task Force ORQ : D-OTIS Request Message OIDS : Operational Information Display System ORs : Operational Requirements OIS : Obstacle Identification Surface ORSG : Operational Requirements Sub-Group OIS : OGE Input Simulator ORT : Owner Requirements Table OJT : On-the-Job Training ORTF : Operational Requirements Task Force OJTI : On-the-Job-Training Instructor OS : Australian Airlines (airline) OK : Czech Airlines (airline) OSC : Operations Steering Committee OL : Operating Location OSCAR : Orbiting Satellite Carrying Amateur Radio OLDI : On-Line Data Interchange OSD : Operational Scenarios Document OLDI : On-Line Data Interchange (automation in ATC) OSF : Open System (Software) Foundation OLDINA : OLNO, Diekirch, Nattenheim (Nattenheim area) OSF : Open System Foundation OLDISP : OLDI Specialist Panel OSG : Operational Services Group (MAS) OLEVAT : On Line Exercise of Validation of Aircraft OSI Open Sytem Interconnection (ISO defined Trajectories communications architecture used in data link to permit OLR : Off Load Route heterogeneous data communication systems to be OLS : Off Line System interconnected in order to allow the reliable exchange of OM : Operations Manual messages without regard to the implementation of the OM : Outer Marker networks and physical media through which the messages OMC : Operational Monitoring Complex ; Operational pass) Monitoring Cell (ACAS, AIG Sub-group) OSIE : OSI Environment OMD : Operational Management Domain OSM : CFMU/ENGD - Operational Systems Management OMG : Operational Monitoring Group (ACAS) Section OMI : Organisation Maritime Internationale / International OSR : CFMU/URB - Operational Systems Requirements Maritime Organisation (=IMO) Team OMS : On-board Maintenance System OST : Operational Support Traffic ONL : On-Line OSV : Ocean Station Vessel ONP : Open Network Provision (Telecommunications) OTD : D-OTIS Delivery Message OO : Skywest Airlines (airline) OTD : Operational Target Date OA : Object Oriented Analysis OTD : Other Training Device OOD : Object Oriented Design OTF (VHF-OTF) : Operational VHF Task Force OOOI : Out (Departure Block Time)-Off (Take-off)-On OTF : Operational Task Force (Landing)-In (Arrival Block time) OTF : Operational, Technical and Financial Working Group OOP : Object Oriented Programming OTF/BFWG : Combined Operational, Technical/Budgetary OOP : Operational Outline Programme & Financial Working Group OOR : Outline Operational Requirement OTFP Operational Traffic Flow Planning OP : Operational (issues) O-TGS : ODS - Target Generation System OP : Organisational Productivity OTH (R) : Over The Horizon (Radar) OPA : Opaque, white type if ice formation OTLK : Outlook (used in SIGMET for volcanic ash and OPADD : Operating Procedures for AIS Dynamic Data tropical cyclones) OPAL : Optimisation Platform for Airports, including OTP : On Top Landside OTP : Overall Test Plan OPC : The control indicated is operational control OTR : Operational Turn Around OPD : Operational Procedures Document (EAD) OTS : Oceanic Track System OPB : Outer Performance Boundary (Tunnel Concept) OTS : Off-The-Shelf OPIF : Operator Interface OTS : Organized Track System OPLAN : Operational Plan OTS : Out of Servide OPM : Office of Personnel Management OTSG : Operational Training and Selection Group OPM : Operational Position Management OTT : D_OTIS Termination Message OPMET : Operational Meteorological Information OTV : Orbital Transfer Vehicle OPN : Open or Opening or Opened OU : Croatia Airlines (airline) OPN : Operational Planning Notes (MADAP-KARLDAP) OUR : CFMU Operational User Requirements (FORM) OPR : Operator or Operate or Operative OUTB : Outbound OPR : ATM Operational Requirements (EATCHIP Domain) OUMSESTF : Operational Use of Mode S Enhanced ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 36 AAA (All Aviation Abbreviations) www.flyingineurope.be

Surveillance Task Force PBD Place Bearing/Distance (way point) OUNS : Operational Navigation System PBE : Peripheral Bus Extender (CBN - CNG) OURASIE : Ourasie Toolkit : software X-windows toolkit PBL : Problem-Based Learning built above Xt Intrinsics layer (CENA in-house product) PBRA : Plot Based Resolution Analysis OV : Estonian Air (airline) PC : Personal Computer OV : Overseas National Airways PC : Planning Controller ; Provisional Council (Eurocontrol) OVC : Overcast (meteo) PCA : Physical Configuration Audit OVR : Over PCB : Printed Circuit Board Own : TCAS II equipped aircraft - source of TCAS event PCC : Peripheral Computer Complex PCC : Planning Co-ordination Controller -P- PCC : Polygone Co-ordination Centre PCC : Project Co-ordinating Committee (PETAL) P… : Prohibited Area PCCB : Program Change Control Board (FPPS/DECADE) P : Prefix (CCITT X.121 Structure) PCD : Personal and Career Development P : Procedure-Required Tuned NAVAID PCD : Planning Controller Display P&H : Press and Hold (mouse) PCD : Probability of Code Detection P,R,D Area : Prohibited, Restricted, or Danger Area PCD : Proceed or Proceeding P.ACCs : Pairs of ACCs PCFL : Preferred Cruise Flight Level p.t.t : Push-to-Talk P-channel : Packet Mode Channel PA : Participating Area PCI : Permanent Commission for Investigation (on ATS PA : Precision Approach incidents) ; Permanent Committee of Inquiry PA : Provisional Acceptance PCI : Protocol Control Information PAA : Plot Accuracy Analysis PCIP : Pilot Conversion and Implementation Plan PABX : Private Automatic Branch eXchange PCL : Pending and Coast List PAC : Pacific Region (ICAO) PCL : Pilot Controlled Lighting PAC : Preliminary Activation message PCL : Procedure Changeover Lines (IFF) PAD : Packet Assembler Disassembler PCM : Planning Co-ordination Message PAEW : Personnel and Equipment Working PCM : Pulse Code Modulation PAK : Pilot Acknowledgement (service) PCMP : Project Configuration Management Plan (MAS - PALLAS : Phased Automation of the Hellenic ATC System ODS) (new Greek ATC System) PCMT : Plan Commun à Moyen Terme / Common PALS : Precision Approach Lighting System (specify Medium-Term Plan (=CMTP) category) PCN : Pavement Classification Number PAM : Pilot Acknowledgement Message P-Code : Precise/Protected Code PAM : Program for Analysis of MADAP PCP : Project Control Plan PAMCS : Panel on Air Space Management and Control PCPU : PCM Central Processing Unit (VCS) Systems PCR : Periodic Contract Request (ICAO) PAMPLAY : PAM rePLAY system PCR : Post Conference Report PANS : Procedures for Air Navigation Services PCR : Problem Change Request PANS-OPS : Procedures for Air Navigation Services - PCS : Process Control System Aircraft Operations PCT : Planning Control Theory PANS-RAC : Procedures for Air Navigation Services - PCV : Probability of Code Validation Rules of the Air and Air Traffic Services PCX : A window compatible BIT format PAPI : Precision Approach Path Indicator PD : PHARE Demonstration PAQ : Position Analysis Questionnaire PD : Plan Display PAR : Planning, Analysis and Reporting PD : Pointing Device PAR : Precision Approach Radar PD Profile Descent PARADISE : Prototype of an Adaptable and Pd, Pdet : Probability of detection Reconfigurable ATM Demonstration and Integration PD/1 : PHARE Demonstration 1 Simulator Environment PD/1+ : PHARE Demonstration 1+ PARI method : Precursor, Action, Result, Interpretation PD/1++ : PHARE Demonstration 1++ Method PD/2 : PHARE Demonstration 2 PARI : Precursor, Action, Result, Interpretation PD/2+ : PHARE Demonstration 2+ PARL : Parallel PD/3 : PHARE Demonstration 3 PARZOC : Parabolic Approximation of Aircraft PDA : Planning Co-ordination Message Display Area Performance for use in a ZOC PDA : Plot Detection Analysis PAT : Pattern PDB Performance Data Base PAT : Provisional Acceptance Testing (CNG - CBN) PDC : Peripheral Device Controller PATA : Polish Air Traffic Agency PDC : Pre-Departure Clearance (message) PATCG : PHARE Advanced Tools Co-ordination Group PD-Channel : Packet Data Channel PATCHWORK : Polish ATC Harmonisation Work PDES : Pulse Doppler Elevator Scan programme (EAS) PDF : Percentage of Delayed Flights (Delay Parameter PATCO : Professional Air Traffic Controllers Association Abbreviations) PATN : PHARE experimental Aeronautical PDG : Procedure Design Gradient Telecommunication Network PDME : Precision Distance Measuring Equipment PATROCLOS : Peripheral Airports Terminal Radars, ODS PDN : Public Data Network and Centrally Linked Operations System PDOP : Position Dilution of Precision PATs : PHARE Advanced Tools PDP : Polar Diagram Plotter PATWAS : Pilot Automatic Telephone Weather Answering PDR : Pre-Determined Route Service PDR : Preliminary Design Review PAU : Primary Authorised User PDRP : Problem Detection and Resolution PAX : Passengers PDS : Programme Development System PAWES Performance Assessment and Workload PDTWG : Plot Data Transmission Working Group Evaluation PDU : Power Distribution Unit PB : Project Board PDU : Protocol Data Unit (RMCDE) PE 90 : Parameters of Earth, 1990. Russian Geodetic ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 37 AAA (All Aviation Abbreviations) www.flyingineurope.be

System PLATON : new RDPS PE : Processor Element (CBN - CNG) PLB : Personal Locator Beacon PE : Protected Earth PLC : Planning Controller (also known as Coordinator) PE : Ice Pellets PLL : Phase Locked Loop PEA : Parameter and Environment Assembler PLMN : Public Land Mobile Network PEC : Pressure Error Correction PLN : Flight Plan PEL : Planned Entry Level (to a sector or volume of PLN : Flight Plan Conformance (new name is FLIPCY) airspace) (ODID) PLP : Packet Layer Protocol PELA : Proficiency test in English Language for ATCOs PLVL : Present Level PEM : Phone Emergency Module PLW : Plow, Plowed PENS : Pan-European Fixed Network Service PMAT : Portable Maintenance Acces Terminal PEP : Performance Engineering Programme (long-term PMB : Programme Management Board scientific studies PMB : Project Management Bureau PER : Packet Encoding Rules PMB : Project Management Bureau PER : Performance PMC : Project Management Cell PERM : Permanent PMCG : Preliminary Maastricht Co-ordination Group PERF : Performance PMCS : Performance Management Computer System PERT : Programme Evaluation and Review Technique PMCT : People Management Core Team PES : Proposed Eurocontrol Standard Document PMD : Pre-warning Message for Departure PETAL : Preliminary Eurocontrol Tests of Air/Ground data PME : Pre-warning Message Entry Link PM/FL : Process Monitoring / Fault Location PEX : PHIGS Extended X-Windows System PMO : Pre-warning Message OAT PF : Pilot Flying PMO : Prorgram Management Organization PFA, Pfa : Probability of False Alarm PMP : Project Management Plan pFAST : passive Final Approach Spacing Tool PMR Steering Committee : Planning Monitoring and PFD : Planned Flight Data (CFMU - CASA) Reporting Steering Committee PFD : Primary Flight Display PMS : Performance Management / Monitoring System PFD : Probability of Failure Detection PMT : Plan à Moyen Terme (MTP) PFE : Path Following Error PMW : Project Management Workbench PFI : Private Finance Initiative PMX : Planning Message Exit PFL : Planned Flight Level PN : Prior Notice Required PFLext : Probability of Failure/Fault Localisation, external PND : Primary Navigation Display PFLint : Probability of Fault Localisation, internal PNF : Pilot Not Flying PFM : Pre-Flight Messages (EW) PNR : Point of No Return PFN : Pulse-Forming-Network PNR : Prior Notice Required PFR : Probability of Failure Repair PO : Dust devils (meteo) PGMP : Pilot Group on ATCO Manpower Planning PO : Polar Air Cargo (airline) PGS : CFMU/MSB - Personnel General Services Team PoACCS : Portuguese Air Command and Control System PHA : Preliminary Hazard Analysis PoAF : Portuguese Air Force PHARE : Poland, Hungary Aid for Restructuring of the POB : Persons On Board Economy (European Commission) POC : Point of Contact PHARE : Programme for Harmonised Air Traffic POD : Port of Debarkation Management and Research in Eurocontrol ; Programmed POE : Port of Embarkation for Harmonised Research in Europe POEMS : Pre-Operational European Mode S Station PHAROS : Plan Handling and Radar Operating System POEMS : Pre-Operational (development) European Mode (NL - Military) S Enhanced Surveillance PHIBUF Performance Buffet Limit POG : Point of Gaze PHIGS : Programmer's Hierarchical Interactive Graphics POR : INMARSAT Pacific Ocean Region System POR : Pacific Ocean Region PHINOM : Nominal Bank Angle PoR : Point of Risk PI : Performance Indicator POS : Position PI : Peripheral Interface (CBN - CNG) Positive RA : RA applying minimum vertical rate (eg PI : Procedure Turn to Intercept (ARINC 424 Path climb) Terminator) POS INIT Position Initialization PIAC : Peak Instantaneous Aircraft Count POSIX : Portable Operating System Interface for PIB : Policy Information Base Computer Environments PIB : Pre-flight Information Bulletin (plain language) POS REF Position Reference PICASSO : Control, Analysis and Monitoring of the POSS : Possible Spanish Air Navigation System. Statistical application PPC : Physical Protected Circuit PID : Pilot Information Downlink (service) PPC : Policy Planning Committee PIM : Programme Implementation Management PPC : CFMU/ENGD - Projects, Procurement & PIP : Plug In Panel Communication Section PIP : Product Improvement Package/Programm PPD : Aircrew Preferences Downlink (Service) PIREP : Pilot Report (ICAO) PPD : Pilot References Downlink PIREPS Pilot Reports PPD : Plans and Policy Division PIRG : Planning and Implementation Regional Groups PPI : Plan Position Indicator (ICAO, al) ppi : Points Per Inch or points per inch PIU : Parent IFPS Unit PPL : Private Pilot License PJE : Parachute Jumping Exercise PPM : Pages per Minute PK : PIA Pakistan International (airline) PPM : Pulse Position Modulation PL : Ice Pellets (meteo) PPO : Prior Permission Only PL : Poland (ISO Country Code) PPOS Present Position PL : Pseudolite PPR : Prior Permission Required PLA : Practise Low Approach PPS : Precision Positioning Service/System PLANO : Procedures Linked to Abating Noisy Operations PPS, pps : Pulses Per Second (ANCAT TF) ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 38 AAA (All Aviation Abbreviations) www.flyingineurope.be

PPSN : Present Position PSA : Primary Subject Area PPSN : Public Packet Switching Network PSA : Provisional Site Acceptance PQM : Project Quality Manager PSAP : Presentation Service Access Point PQP : Project Quality Plan PSAL : Provisional Slot Allocation List PR : Banks (meteo) PSB : Parallel System Bus PR : Position Reporting PSC : Performance, Standard, Conditions PR : Primary Radar PSC : Project Steering Committee PR : Pseudorange PSDN : Packet Switched Data Network PR, PRI : Primary (radar or unit) PSDN : Public Switched Data Network PR/PSR : Primary (Surveillance) Radar PSE : Primary Surveillance Equipment PRA : Plot Resolution Analysis PSG : Passing PRA : Primary Rate Access PSG : Programme Steering Group PRAISE : Preparation for Research and Development in Psi : Pounds/square inch Support of EATMS programme PSMC-Channel : Packet System Management and PRAISE : Preparation of Functional Concepts from Control Channel EATMS Operational Requirements PSMSL : Permanent Service for Mean Sea Level PRC : EEC business area - support to performance review PSN : Position PRC : Performance Review Commission (New PSN : Public Switch Network (DFS = sub-network Convention) RAPNET, CBN = system of the national ATS) PRE : Preview PSP : Pierced Steel Planks PRE : Previous Centre PSP : Primary Spare Part PREDICT : CFMU – Pre-Tactical System PSPDN : Packet Switched Public Data Network preC : PreCouncil (= to replace CE) PSR : Packed Snow on Runway(s) PRF : Pulse Repetition Frequency – pertaining to radar PSR : Primary Secondary Radar PRFG : Aerodrome Partially covered by Fog PSR : Primary Surveillance Radar Pre-OJT : Pre-On-the-Job Training PSSA : Preliminary System Safety Assessment PREV : Previous PSSR : Present Secondary Surveillance Radar -code- PREVI : Data Processing system to support the forecast PST : Project Supervision Team and regulation of the air traffic (F) PSTN : Packed Switched Telecommunication Network PRF : Percentage of Regulated Flights(Delay Parameter PSTN : Public Switched Telephone Network Abbreviations) Pt : Total Pressure PRF : Pulse Repetition Frequency (or recurrence) PT : Point PRI : Primary PT : Portugal (ISO Country Code) PRI : Pulse Repetition Interval PTCHY : Patchy PRIF : PROC Interface Tool PTE : POEMS Test Environment PRKG : Parking PTH : Path PRL : Pilot Request, Level (service) PTN : Procedure Turn PRM : Precision Runway Monitor PTO : Preferred Time Over PRN Code : Pseudo Random Noise Code PTOT : Provisional Take Off Time PRN : Pseudo Random Noise P- t - P / pt to pt : Point-to-Point P-RNAV : Precision Area Navigation PTP : Part-Task Practice P-RNAV : Precision RNAV PTRMC : Prototype Team Resource Management ProATN : Prototype Aeronautical Telecommunications Courseware Network PTS : PoinTS (route points) PROB : Probability PTS : Polar Track Structure PROC : Procedure PTS : Pre-Training Screen PROC : Procurement (tool) PTSD : Post Traumatic Stress Disorder PRODAT : PROSAT Data Link Experiment PTT : Part-Task Trainer PROF : Profile PTT : Push to Talk PROFI : Multinational Project Financing PTW : Project Team Work PROG : Progress Page on MCDU PU : Processing Unit PROM : Programmable Read Only Memory PUB : Publications and Charts (AIS-TF) PROP : Propellor PUMA : Performance Usability-Modelling of ATM PRORES : Problem Resolution PV : Performance Verification PROSAT : Program Satellite (European Space Agency) PV : Present Value PROSIT : Problem Situation PVC : Permanent Virtual Circuit PROV : Provisional PVD : Plan View Display PROVE : European ATC Pre-operational Validation and PVT : Private Experimental Trials Platform PVT : GNSS Position Velocity Time PRP : Pulse repetition Period PWB : Printed Wire Board PRQ : Pilot Request (service) PWG : Pensions Working Group PRR : Performance Review Report PWP : Physical Working Position PRR : Pilot Request, Route (service) PWP : Published Way Point PRS : Performance Review System PWR : Power PRS : Picture Repetition Store PZ 90 : Parameters of Earth 1990 PRSG : Performance Review Sub-Group PZ : Portotroz (SI) PRT : Preferences Tool PRT : Processing Response Time -Q- PRU : Performance Review Unit (New Convention) Ps : Pressure, static - air data mearsurement Q : Question PS : Pacific Southwest Airways Q : Quadrature Component (MTI) PS : Plus Q : Atmospheric Pressure PS : Position Symbol Q&A : Question and Answer PS : Power Supply (ACS) Q.23 : Signalling system for PABX PS : Problem Solver (PATs) Q.SIG : ATS-Q.SIG - standard for ATC. G/G voice PSA : Passive Slot Allocation ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 39 AAA (All Aviation Abbreviations) www.flyingineurope.be communications RADAR : Radio Detecting and Ranging QA : Quality Assurance (Section) CFMU/ENGD RADEP : Radar Departure QAR Quick Access Recorder RADIN : Radar Data Interchange Network QAR : Quality Assurance Representative (DECADE) RADIN : Radar Data Interface QBI : Compulsory IFR Flight RADNET : Radar Network (for interchange of radar data) QC : Quality Control (DECADE) RADVIEW : Radar Verification Equipment in Norway QCM : Quality Control Manager RAE : Royal Aerocraft Establishment (Farnborough) QDM : Magnetic Heading (zero wind) (ICAO) RAF : Reference ATN Facility (US/Eurocontrol common QDR : Magnetic Bearing (ICAO) project for development of the CAERAF) QF : Quality Factor RAF : Royal Air Force QFE : Atmospheric Pressure at Aerodrome Elevation (or at RAFC : Regional Area Forecast Centre runway threshold) RAG : Ragged QFU : Magnetic orientation or runway in use RAG : Range-Azimuth Gate Generator QHN : Altimeter Sub-scale setting (RLD paper) RAG : Runway Arresting Gear QNE : Altimeter subscale set to 1013,2 hectopascals RAI : Italian Aeronautical Certification Authority QNF : Altimeter sub-scale setting to obtain elevation when RAI : Runway Alignment Indicator on ground RAIL : Runway Alignment Indicator Lights QNH : Atmospheric Pressure at Nautical Height ; Q-code RAIM : Receiver Autonomous Integrity Monitoring (GPS) designation for atmospheric pressure at mean sea level RALT : name of enroute alternate aerodromes QOS : Quality of Service RAM : Random Access Memory QP : Quality Plan (MAS/DFS - ODS) RAM : Reliability, Availability and Maintainability QPSK : Quadrature Phase Shift Keying RAM : Responsability Assignments Matrix QRA : Who Are You RAMBO : Reliable, Available, Maintainable, Benefits, QRH : The barometric pressure as reported by a particular Objectives station RAMOS : Remote Automatic Meteorological Observing QRPS : Route Points Store (Static Data Bank) System QSIG : Signalling to a Q Reference Network RAMS : Reorganised ATC Mathematical Simulator QTE : True bearing (ICAO) RAN : Regional Air Navigation (meeting) QTG : Qualification Test Guid RANSU : Regional Air Navigation Service Unit (DFS) QTY : Quantity RAP : Recognised Air Picture QuestionAIR : Computer-based ATM questions bank RAP : Resource Allocation Process QUAD : Quadrant RAPCON : Radar Approach Control Facility QUIS : Questionnaire for User Interface Satisfaction RAPID : Recognised Picture Identification Distribution RAPNET : (European) Regional Aeronautical Packet -R- Switched Network (CBN + DAKOS) RAPPI : Radar Access Plan Position R : En-Route RAPS Recovery Access Presentation System r : Rate of change (climb or descent) RAR : Restricted Area Requested R : Red RARAD : Radar Advisory R : Right (runway indentification) RAS : Resource Allocation System R : Romania RASA : Radar Advisory Service Area R : Route Tuned NAVAID RASA : Requirements Analysis Strategy and Architecture R…: Radial (followed by a MAG track) Sub-group R…: Restricted area RASC : Regional AIS System Centre (R) : Radar (radar service available) RASCAL : Radar Sharing Calculation R Team : Collection of air navigation charges under RASCAL : Radar Station Coverage Calculator bilateral agreements with non-Contracting States RASCAL Rotorcraft Air Crew Systems Concepts Airborne R&D : Research and Development Laboratory R/C Rate of Climb RASIF : Radar Simulator Flugsicherung R/T or RTF : Radio Telephony RASP : Radar Application Specialists Panel (MTPA / SSR) R/T : Radio Telephonic Transmission RASP : Radar Surface Picture R+B : Range and Bearing line RASS : Radar Analysis Support System R1 : Minor Repairs RASS-C : Radar Analysis Support System - Centre Level R2 : Major Repairs RASS-P : Radar Analysis Support System - Plot data R2 : Eurocontrol Signalling Protocol RASS-PDP : RASS - Polar Diagram Measurement Facility R2 : European signalling standard (Voice communication) RASS-S : Radar Analysis Support System - Sensor Level R2 : Signalling system used for telephone exchanges RASS-T : Radar Analysis Support System - Track data RA : Radio Access RASTA : Radar Statistics Program RA : Radio Altitude RASV : Responsibility Air Space Volume RA : Rain (meteo) RATE : Remote Air Traffic Services Terminal RA : Resolution Advisory (ACAS/TCAS) RATS : Radar Analysis and Test System RA : Risk Analysis (TCAS) R-ATSU : Air Traffic Service Receiving Unit RA : Routine Area RATT : Radio Teletype RAA : Regional Airline Association RB : Resque Boat RAARR : Radar Arrival RBP : Radar Bypass Processor (MAS UAC) RAAS : Regional Area Augmentation System RBS : Radio (Telephony) Backup System RAC : Resolution Advisory Complement RC : Radar Controller RAC : RUHR Assistant Controller RCA : Reduced Co-ordination Airspace RAC : Rules of the Air and Air Traffic Services-Control RCA : Reach Cruising Altitude (ICAO) RCA : CFMU TERMINAL - Remote Client Application RACE : Runway Capacity Enhancement RCAG : Remote Communication Air/Ground Facility RAD : Radar RCAT : Route Catalogue RAD : Radial RCC : Rescue Co-ordination Centre RAD : Radio RCD : DCL Request Message RAD : Route Availability Document RCDS : Radio Channel Distribution and Switching RADAC : Radar Verification Equipment in Norway RCDSS : Radar Control and Display Subsystem ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 40 AAA (All Aviation Abbreviations) www.flyingineurope.be

RCF : Radio Communications Failure REM : Roentgen Equivalent Man RCFEP : Radar Data Communications Front-End REMOCO : Remote Control (Supervision System) Processor REMP : Radar Replacement and Modernisation RCGSP : Review of the General Concept for Separating Programme Panel (ICAO) RENL : Runway End Light(s) RCH : Reach or Reaching REP : Report or Reporting RCHG : Repetitive Flight Plan Modification Message REP : Reporting Point (ADEXP only) REQ : Request or Requested R-Channel : Random Access Channel RER : Rerouting RCL : Executive (i.e. Radar) Controller RER : Residual Error Rate RCL : Runway Centre Line RERTE : Reroute RCLL : Runway Centre Line Lights RES : Radar Environment Simulator RCLR : Recleared RESA : Runway End Safety Area (ICAO) RCM : Radar Co-ordinator (Controller) Message (Mil. RESP : Response (ICAO) ECM) RESPBY : Respond by (time out to give a response) RCM : Statement of Basic Operation Requirement, RESTQ : Recovery Stress Questionnaire Planning Criteria & Methods of Application (ICAO/AIS) RESTR : Restriction RCNL : Repetitive Flight Plan Data Cancellation Message RESYNCING : Resynchronizing (ADEXP only) RET : Airborne & ground retrofit (issues) RCO : Reduce Cumulative Overloads RET : Revised EOBT RCO : Remote Communications Outlet RETD : Revised Estimated Time of Departure RCO : Route Charges Office (National Route Charges REV : REVision / REVise (message) Office) RF : Radio Frequency RCP : Required Communication Performance RF : Radius to a Fix (ARINC 424 Path Terminator) RCP : Radio Control Panel RFCA : Panel on Route Facility, Cost Accounting and Cost RCR : Runway Condition Reading Allocation (ICAO) RCRT : Refresh Cycle Response Time RFCP : Route Facility Costs Panel (ICAO) RCS : Radar Cross Section RFEP : Radar Front End Processor RCS : Remote Control System RFF : Radar Fall-back Facility RD : Risk Display (ODID) RFG : Radio Frequency Generator RD : Routing Domain RFI : Radio Frequency Interferences RDC : Routing Domain Confederation RFI : Request For Information RD-Channel : Random Data Channel RFI : Request For (direct) Improvement Message RDDII : Radio Digital Distance Magnetic Indicator RFL : Requested Flight Level RDF : Radio Direction Finding RFLT : Radio Frequency Unit RDG : Radar Data Generator RFM : Remote Field Monitor RDH : Reference Datum Height (for ILS) RFP : Replacement Flight Plan (Procedure) RDI : Radio Direction Indicator RFP : Request for Proposal RDI : Routine Domain Identifier RFPD : Repetitive Flight Plan Data RDIF : Radar Data Interchange Format RFPS : Radar data Front Processing System (PALLAS RDL : Radial system) RDM : Running Display Message RFQ : Request for Quotation RDO : Radio RFS : Radar Fallback System RDP : Radar Data Processor RFS : Random Field Sequencing RDPP : Radar Data Post Processor RFU : Radio Frequency Unit RDPS : Radar Data Processing System RG : Range RDQC : Radar Data Quality Control RG : Varig Brasilian (airline) RDR : Radar Data Recording RGCSP : Review of General Concept of Separation Panel RDSS : Radar Determination Satellite System (ICAO) RDTE : Research, Development, Trials and Evaluation RGIC : Ranging Integrity Channel RE : Recent (used to qualify weather phenomena e.g. RGS : Regional Ground Station RERA = recent rain) RGS : Remote Ground Station REA : Ready Message RH : Radar Head REACT : Rain Echo Attenuation Compensation Technique RH : Right Hand (turn) Real : Real time RHCP : Right Hand Circular Polarisation Real-time FDMD : Real-time Flight Data Processing RHD : Radio (or Radar) Horizon Distance Management and Distribution RHEA : The Role of Human in the Evolution of Air Traffic REC : Recall (ICAO) / Recording Management REC : Receive or Receiver RHF : Ridiculously High Frequency REC : Request EOBT Change RI : Route Intercept RecDPS : Recording Data Processing System (PALLAS RIB : Routing Information Base System) RIC : Radar Integration Control REDAN : Spanish Data Network RICE : RTF Interface Control Equipment REDL : Runway Edge Light(s) RID : Review Item Description REF : Reference RIF : Radio Interface REFGHMI : Reference generic HMI RIF : Reclearance in Flight REG : Registration RIF : changes of routing to the changed destination REG : Regulatiion aerodrome and/or changed destination aerodrome REG : Regulatory (issues) (Flightplan) REGUL : Regulation RIG : Regional Implementation Group REIL : Runway End Indentifier Lights RIMS : Ranging and Integrity Monitoring Station (GNSS- REJ : Rejection Message 1/EGNOS) REJCTOT : Rejected Calculated Take-Off Time RINAL : Portuguese Data Network REL : Release RIRT : Russian Institute of Radio Navigation and Time (St. RELCTD : Relocated Petersburg) REM : Radio Emergency Module RIS : Relational Interface System ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 41 AAA (All Aviation Abbreviations) www.flyingineurope.be

RISC : Reduced Instruction Set Computer Scheduling of Aircraft System RISE : Retrieval and Interchange of Standards in Europe ROSE : Rational Object oriented Software Engeneering RIT : RADNET Implementation and Integration Team ROSE : Remote Operations Service Element RITA : Replay Interface for TCAS Alerts Router An ATN network layer gateway which performs the RITE : Right (direction or turn) relaying and routing of data packets across interconnecting RJ : Roal Jordanian (airline) subnetworks based on the source and destination network RJC : Airspace Crossing Reject Message (Airspace layer addresses and the desired quality of network service Crossing Dialogue) ROZ : Restricted Operations Zone RJT : Rerouteing Rejection Message RP : Radar Post RL : Report Leaving RP : Reporting Point RL : Runway Lights RPC : Regional Planning Criteria RLA : Relay to RPF : Rapid Prototyping Facility RLB : Rolling Ball RPK : Revenue Passenger-Kilometer RLBCS : Rolling Ball CallSign (input) RPL : Repetitive Flight Plan RLCE : Request Level Change En-route RPL : Stored Flight Plan RLD : Rijks Luchtvaart Dienst (Dutch iquivalent of FAA) RPLC : Replace or Replaced RLG : Ring Laser Giro RPM : Revenue Passenger-Miles RLIM : Radar Data Line Interface Module RPM / rpm : Revolutions Per Minute RLLS : Runway Lead-In Light System RPS : Radar Position Symbol RLNA : Requested Level Not Available RPS : Recording and Playback System RLP : Remote Line Printer RPT : Regular proficiency Training RLSD : Released RPT : Repeat or Repeated RLSM : Reduced Lateral Separation Minimum RPU : Radar Processing Unit RLST : Revised List (for RPLs) RPV : Remotely Piloted Vehicle RLW : Regie der LuchtWegen (NL) / Régie des Voies RPVD : Radar Plan View Display Aériennes (B) / Belgium Aviation Authority RPY : Replay RMA : Reliability, Maintainability, Availability RQ : Air Engiadina (airline) RMCD : Remote Master Control Desk RQL : Request NOTAM List RMCDE : Radar Message Conversion and Distribution RQMNTS : Requirements Equipment RQN : Request NOTAM RMCS : Remote Monitoring and Control System RQP : Request for Flight Plan RMI : Radio Magnetic Indicator RQP : Request Plan Message RMK : Remarks RQP : CFMU/URB - Relations, Quality & Performance RMM : Remote Maintenance Monitoring Team RMNDR : Reminder RQRD : Required RMK : Remark(s) RQS : Request Supplementary Flight Plan RMP : Radio Management Panel RQS : Request Supplementary Information Message RMP : Required Monitoring Performance RQT : ReQuesTing RMPS : Radar Message Processing System RR : Report Reaching RMPs Radio Management Panels RRA : Radar Recording Analysis RMS Error : Root Mean Square error. RRA : (or RRb, RRC etc. in sequence) delayed RMS : Root Mean Square meteorological message RMSpv : RMS peak value. RRC : Recording Replay Computer RMU : Radio Management Unit RREC : Repetitive Flight Plan Recovery Message RNAV Area Navigation (generic acronym for any device RRL : Runway Remaining Lights capable of aircraft guidance between pilot-defined RRN : Rerouteing Notification Message waypoints) RRP : Remote Radar Post RNC : Required Navigation Capability RRP : Re-routing Proposal Message RNDSG : Route Network Development Sub-Group RRR : Radar data Recording and Replay system RNG : Radio Range (RADNET / application software : COMSOFT) RNLAF : Royal Netherlands Air Force RRTEREF : Reroute Reference RNP : Required Navigation Performance RRTES : Reroutes RNP5 : Required Navigation Performance 5 RRU : Remote Radio Unit RNPC : Required Navigation Performance RRV : Referred Revision Message Capability/Criteria RS NATS : Recruitment Services NATS RNPTF : Required Navigation Performance Task Force RS : NASC providing Regional Support (EAD) RO : Tarom Romanian Air Transport (airline) RS : Radar System RO : Romania (ISO Country Code) RS : Reference Station RO : Router Function RSA : Radar Service Area ROBEX : Regional OPMET Bulletin Exchange (scheme) RSAP : RMCDE Service Access Point ROBIN : Road billing network RSAP : Replenishment Spares Acquisition Program ROC : Rate of Change RSC : Rescue Sub Centre ROC : Rate of Climb RSCD : Runway Surface Condition ROD : Rate of Descent RSFTA : Réseau de Service Fixe des Télécommunications ROF : Request on Frequency (Message) Automatiques ROFOR : Route Forecast (meteo) RSG : Research Study Group ROI : Return On Investment RSG : Route Structure Group Role : Role-play RSI : Radiation Status Indicator ROM : Read Only Memory (CD) RSLS : Receiver Side Lobe Suppression ROMATSA : Romanian Air Traffic Services Administration RSM : Radar Service Message (RMCDE/ RADNET) ROMBULPO : Romania, Bulgaria and Poland RSMC-Channel : Random System Management Control RON : Receiving Only Channel ROPA : RAPNET Operations and Planning Agreement RSMTF : Radar Separation Minimum Task Force ROR : Range Only Radar RSO : Route per State Over-flown ROS : Route Orientation Scheme RSOQ : Radar Stores Occupancy Query ROSAS : Regional Organisation of the Sequencing and RSP : Required System Performance ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 42 AAA (All Aviation Abbreviations) www.flyingineurope.be

RSP : Responder Beacon Exit Point RSPD : Reported Speed RVSM : Reduced Vertical Separation Minimum (in Europe) RSPL : Recommended Spare Parts List RW : Runway RSR : En Route Surveillance Radar RWEWP : Runway End Way-point RSRE : Royal Signals and Radar Establishment RWIWP : Runway Intercept Way-point RSS : Radar Separation Standard RWY : Runway RSS : Radar Sub-System RWY WP : Runway Waypoint RSS : ROOT Sum Squared RX : Receiver Station RSSP : Radar Systems Specialist Panel Rstd : Restricted (Time-Restricted Learning) -S- RSURTF : RASS-S Upper Requirements TF RSUS : RPL Suspension Message s : seconds RSVN : Reservation S : South RSYD : Release Subject to Your Discretion S : Sweden RT : Real Time (S) : Secondary or Supplementary (frequency) RT : Right Turn S/C : Step Climb RTA : Reduced Vertical Separation Minimum Transition S1 : The future (desired) state Area SA Degradation : Selective Availability degradation (of RTA : CFMU TERMINAL - Remote Terminal Access satellite signals) RTA : Required Time of Arrival SA : Salivary Cortisol RTB : Radar Tool Box SA : Sand (meteo) RTC : Radio Transmission Control SA : Satellite RTCA : A private, non-profit organization that brings SA : Selective Availability (GPS) industry and government together to address the needs of SA : Separation Assurance the worldwide aeronautical community. RTCA originally SA : Situational Awareness stood for Radio Technical Commission for Aeronautics. SA : Skill Acquisition RTCA : Requirements and Technical Concepts for SA : South African Airways (airline) Aviation. See also in Part II RTCA SAAM : System for Assignment and Analysis at a RTD : Research and Development of Technologies Macroscopic level (8.33 User Guide) RTD : Delayed (used to indicate delayed meteorological SAARU : Secondary Attitude/Air data Reference Unit message) SAC : Source Area Code RTE : Route SAC : Strategic Air Command RTF or R/T : Radio Telephony SAC : System Assisted Co-ordination RTFM : Regulated Tactical Flight Model SACEUR : Supreme Allied Commander Europe RTG : Radio Telegraph SACHA : Separation and Control Hiring Assessment RTHL : Runway Treshold Light(s) SACLANT : Supreme Allied Commander Atlantic RTI : D-RVR Delivery Messge SACON : Slovak Aeronautical Communication Network RTIS : Road Travel Information Services SAD : System Architecture Document RTLS : Return To Launch Site SADIS : (Swedish) Satellite Distribution System RTMDE : RADNET Test Monitoring and Demonstration SADIS : Satellite Distribution of World Area Forecast Equipment (coulor screen) System / ICAO Group RTN : Return or Returned or Returning SAE : Society of Automotive Engineers RTO : Ready for Take OffL : Reduced Take-Off and SAIFIR : System Iad for Integration and Fault Reporting Landing (777) RTODAH : Rejected Take-off Distance Available, SAF : EEC business area - support to safety monitoring Helicopter SAF : Safety (EATM domain) RTOS : Real Time Operating System SAFA : Safety Assessment of Foreign Aircraf (JAA) RTPTS : RouTe PoinTS SAFER : Safety and Errors RTQC : Real Time Quality Control SAFI : Safety Monitoring for Indicators RTQC/A : Real Time Quality Control / Assessment SAI : System Architecture Interface RTR : D-RVR Request Message SAICO : Swedish Aeronautical Information Computer RTR : Remote Transmission / Receiver Aided system RTS : Real Time Simulation SAL : Slot Allocation List RTS : Return to Service SALADT : Screening Angle Analysis Digitised Terrain RTSE : Reliable Transfer Service Element SALS : Simple Approach Light System RTSIM : Real-Time Simulation SAM : Slot Allocation Message (CFMU - CASA) RTT : D-RVR Termination Message SAM : South American Region RTT : Ready to Task SAMHS : Spanish Aeronautical Messages Handling RTT : Radiotletypewriter System RTZL : Runway Touchdown Zone Light(s) SAMPE : Society for the Advancement of Material and RU : Russian Federation (ISO Countries Codes) Process Equipment RUF : Rought SAMSO : US Air Force Systems Command / Space and RUG : RASS Users Group Missile Organization (now Space Division) RUT : Standard Regional Route Transmitting SAMTF : Safety Assessment Methodology Task Force RV : Rescue Vessel SAN : Sanitary R-VKL : Radar (executive-) controller SAN : Satellite Access Node RVSM : Reduced Vertical Separation Minimum of 300 m SANe : Skill Acquisition Network (1000 ft) between FL 290 and FL 410 inclusive. SAP : Service Access Point RVR : Runway Visual Range SAP : as Soon as Possisble RVRM : Runway Visual Range Midpoint SAPPHIRE : Satellite and Aircraft Database Programme RVRR : Runway Visual Range Rollout for System Integrity Research RVRT : Runway Visual Range Touchdown SAR : Search and Rescue RVSM Entry Point : Reduced Vertical Separation Minima SAR : Stand-Alone Receiver Entry Point SAR : Synthetic Aperture Radar RVSM Exit Point : Reduced Vertical Separation Minima SARP : Signal Automatic Radar Processing (NL) SARPs : Standards and Recommended Practices (ICAO) ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 43 AAA (All Aviation Abbreviations) www.flyingineurope.be

SARSAT : Search and Rescue Satellite Aided Tracking SCU : Support CWP-Unit SAS : Single Attachment Station (FDDI) SCV : Sub-Clutter Visibility SAS : Scandinavian Airlines System SD : Serial Dialling SAS : Scandinavian Airlines (airline) SD : Specialist Domain SASKI : Name of an ATS Route reporting point SD : Standard Deviation SASS : Surveillance Analysis Support System (ATC) SD'xx' : Specialist Domain `number' SASS-C : Surveillance Analysis Support System - Centre SDB : Static Data Bank SASS-S : Surveillance Analysis Support System - Sensor SDBY : Standby SAT : Satellite(s) SDD : Software Design Document SAT : Simulation Assessment Team SDD : Synthetic Data Display SAT : Site (System) Acceptance Test SDDLC : System Design and Development Life Cycle SAT : Static Air Temperature SDE : Senior Director EATM SAT : Systems Approach to Training SDE : System Development Environment SATCAS : Selenia Air Traffic Control Automated System SDF : Simplified Directional Facility SATCNS WG : Satellite CNS Work Group SDG : Sensor Data Generator SATCNS : Satellite Communications Navigation and SDL : Standard Distribution List Surveillance SDLC : Synchronous Data Link Control procedures SATCO : Signal Automatic Control SDLS : Satellite Data Link System SATCOM : Satellite Communications SDM : System Definition Manual (INMARSAT) SATNAV GNSS : Satellite Navigation Sub-Group SDO : Selected Display Option (ODID) (NAVSEP TF) SDO : Static Data Operations SATORI : Systematic Air Traffic Operations Research SDO : Supplementary Display Option Initiative (US) SDOE : Senior Director Operations and EATCHIP SATS : Simulator System for Air Traffic Services SDP : Second Development Project SATSA : Swedish ATS Academy SDP : Simulator Development programme SAW : Surface Acoustic Wave Filter SDP : Software Development Phase SAWRS : Supplementary Aviation Weather Reporting SDP : Software Development Plan Station SDP : Surveillance Data Processing (Sub-group SB :Service Bulletin CCT/EATCHIP) SB : Southbound SDPD : Surveillance Data Processing and Distribution SBAS : Space/Satellite Based Augmentation System SDPDS : Surveillance Data Processing and Distribution SBIR Small Business Innovative Research System SBR : Spaceborne Radar SDPS : Surveillance Data Processing System (ICAO) SBR : Self Briefing SDR : System Design Review SBSR : Space Based Secondary Radar SDT : Stack Departure Time SBT : Self Briefing Terminal SDT : CFMU/FMD - Support, Development & Training SBU : Service Business Unit Section SC : Sector Co-ordinator SDTF : SYSCO Development TF SC : Security Council (UN) SDU : Satellite Data Unit SC : Senior Controller SDU : Static Data Update message SC : Single Click (Mouse Input) SDV : Simulator Development SC : Special Corridor SE : South-East SC : Stack Controller SE : Strategy Element SC : Standing Committee (RTCA) SE : Sweden (ISO Country Code) SC : Stratocumulus SEAT : Site Equipment Acceptance Test SCAA : Slovenian CAA SEB : Southeast Bound SCAN : Swiss Data Network sec : Seconds SCAT : Supersonic Civil Air Transport SECAM : Safety, Efficiency and Capacity in ATM SCAT-1 Approach : Special Category 1 Approach Methodologies SCAT-1 : Special Category 1 SECRA : Secondary Radar SCATANA : Security Control of Air Traffic and Air SECT : Sector Navigation Aids SEE : Software Engineering Environment SCATCC : Scottish Air Traffic Control Centre SEL : Sector List Window SCC : Satellite Control Centre SEL : Selected SCDT : Selected Controlled Departure Times SEL: Selcal code (Flightplan) SCEAP : Steering Committee for External Assistance SELCAL : Selective Calling (System) Projects (decision DG) SELREL : Selective Release SCEPC : Senior Civil Emergency Planning Committee SEM : Semmerzake SCG : System Concept Group SEMP : Software Engineering Management Plan SCIA : Simultaneous Converging Instrument Approaches SEP : Selective Employment Plan SCOATCC : Scottish Oceanic Air Traffic Control Centre SEP : Spherical Error Probable SCORS : Surveillance Concepts and Operational SEQ : Sequence Requirements SER : Service or Servicing or Served SCP : Support Computer Programme SEROS : Semmerzake Radar Operating System (B / SCPC : Single Carrier per Channel Military) SCR : Scroll SES : Supplementary Equipment and Services SCRAD : Steering Committee for Research, Analysis and SESMA Special Event Search and Master Analysis Development SESY : CFMU/DEVD - Service Systems Section SCRR : Service Central de Redevances de Route SEU : Software Engineering unit SCS : Strategy Concept & System (EATM Unit) SEV : Severe (used e.g. to qualify icing or turbulende SCSI : Small Computer-System Interface reports) SCT : Scattered (meteo) SF : Finland SCT : Surveillance Coordination Team SF : Scaling Factor SCTA : Service du Contrôle du Trafic Aérien (DGAC, DNA, SFACT : Service de la Formation Aéronautique et du France) Contrôle Technique SCU : Satellite Communications Unit ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 44 AAA (All Aviation Abbreviations) www.flyingineurope.be

SFC : Surface (Ground Level / Sea Level) SISG : Safety Improvement Sub-Group SFD : Start Frame Delimiter SIT : Slot Issue Time Parameter SFL : Sequence Flashing Lights SIT : Software Integration Test SFL : Supplementary Flight Level SIT : Subsystem Integration Test (DECADE) SFLA : Assign SFL SIT : System Integration Team SFMC : Sickness Fund Management Committee SITA : Société Internationale de Télécommunications SFOR : Stabilisation Force (Sarajevo) Aéronautiques (F) / Airline telecommunications and SFPL : Short Flight Plan (FDPS) Information Service SFPL : System Flight Plan Processing SITAP : Simulator for Transportation, Analysis and SFT : Simplified Fast Time Simulations Planning SG : Snow Grains (meteo) SITATEX : Software developed by SITA SG : Safety Group SITD : Systems Integration and Test Department SGAMI : Select Group for Assessing Manpower Issues SITS : Subsytem Integration and Test Station SGC : Swept Gain Control SIWL : Single Isolated Wheel Load SGCAS : Study Group on Certification of Automatic SJA : Strategic Job Analysis Systems SK : Slovakia, Slovak Republic (ISO Country Code) SGL : Signal SKC : Sky Clear (meteo) SGR : Study Group of the enlarged Committees for Route SKED : Schedule, scheduled Charges (Eurocontrol) SKIP : SKIP a sector SGS 85 : Sovietic Geodetic System SL : Sea Level SH : Showers (meteo) SLA : Service Level Agreement SHACC : SHAPE Airspace Coordination Centre SLAP : Slot Allocation Procedures SHANDAP : Shannon Data Processing (System) SLAR : Side-Looking Airborne Radar SHAPE : Supreme Headquarters Allied Powers Europe SLB : Side Lobe Banking SHAPE : Solutions for Human Automation Partnerships in SLC : Side Lobe Cancellation European ATM SLC : Slot Requirement Cancellation Message SHEL Model : Software - Hardware - Environment - SLI : Supplementary Level Inbound (ODID) Liveware Model SLM : Standard Length Message (Mode S) SHEL : Software, Hardware, Environment, Liveware SLO : Supplementary Level Outbound (ODID) SHF : Super High Frequency SLOP : Strategic Lateral Offset Procedure SHL : Saville and Holdsworth Ltd. Slot : An arrival or departure time window reserved for a SHORAN : Short Range Navigation flight. SI : International System of Units SLP : Speed Limit Point SI : Sector Indicator SLR : Satellite Laser Ranging SI : Selective Interrogator SLR : Slush of Runway(s) SI : Situational Interview SLS : Satellite Landing System SI : Slovenia, Republic of Slovenia (ISO Country Code) SLS : Interrogation Side Lobe Suppression SIA : Service d'Information Aéronautique SLT : Scheduled Landing Time SIC : Sector Intercom (VCS) SLT : Slot Allocation SIC : Source Identification Code SLV : Statens Luftfartsvaesen (CAA/DK) SIC : Subject Indicator Code SLW : Sector Load Window SICASP : Secondary Surveillance Radar Improvements SLW : Selected Label Window and Collision Avoidance System Panel (ICAO) SLW : Slow SICT : System Implementation Coordination Team SM : Stack Manager SICTA : Italian Consortium for the Applied ATM Research SMAA : Study for Mediterranean Area ADS SID : Standard Instrument Departure (Route) SMAE : Systems Management Application Entity SID/STAR : Standard Instrument Departure / Standard SMAN : Surface Management (APATSI) Arrival Route SMART : Self-Managed Arrival Resequencing Tool SIDMET : Information issued by meteorological watch SMART : Simulator for Multi-radar analysis for realistic office Trade / Traffic SIE : Standard Interface Equipment SMART : Standard Modular Avionics Repair and Test SIF : Selective Identification Feature SMATSA : Serbia and Montenegro Air Traffic Services SIGMA : Systemintegreging Gemensam Maskinvara (SE) / Agency Ltd System Integration in Common Hardware SMAW : Safe Minimum Altitude Warning SIGMET : Significant Meteorological Information SMC : Station Monitoring and Control (RMCDE) (broadcast warnings of weather hazards) SMC : Surface Movement Control SIGWX : Significant Weather SMC : System Monitoring and Computer / Control SIL : Sector Inbound List Window SMC : Systems Management Concept SIM : Simulator / Simulation(s) (EEC service) SMD : Storage Module Device SIM : Subscriber Identification Module SMDE : Software Maintenance and Development SIM-5 : Simulation Modernisation Project Environment SIMM : Symbolic Integrated Maintenance Manual SME : Subject Major/Matter Expert SIMMOD : Simulation Model SMEQ : Subjective Mental Effort Questionnaire Simul : Simulation SMGC(S) : Surface Movement Guidance and Control SIMUL : Simultaneous or Simultaneously (System) SIO : Sector Input Operator (MAS Ops Room) SMHI : Swedish government owned (civil) MET Institute SIOP : Society for Industrial and Organisational SMI : Special Message Identifier (ACARS message Type Psychology, Inc. B) SIP : Slot Improvement Proposal Message SMI : Stakeholder Relations Management and SIR : Packed or Compacted Snow and Ice on Runway(s) International Co-ordination SIRO : Simultaneous Intersecting Runway Operations SMIDTS : Synthetic Movings Image Didactic / Tower SIROCCO : Study of the Impact of Revised Operational Control Simulator (RLW/RVA) Concepts on the CNS/ATM ODP Model SMITF : Safety Monitoring and Improvement Task Force SIS : English Standard for Documentation SMM : Safety Management Manual SIS : Signal In Space SMM : Sector Monitor Message (RMCDE) SIS : Special Information System ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 45 AAA (All Aviation Abbreviations) www.flyingineurope.be

SMM : Slot Missed Message SPOC : SAR Point in Contact SMR : Surface Movement Radar SPORA : Specialist Panel on Operational Research and SMS : Safety Management System Analysis SMT : Station Management (FDDI / RMCDE) SPOT : Spot Wind SMT : Surface Mount Technology SPR : Strip Printer SMTP : Simple Mail Transfer Protocol S-P-R-c : Stimuli, Processing, Response, controlled SMX : Sub-Multiplexer executive SN : Brussels Airlines (airline) SPS Sensor Processing Subsystem SN : System Notam SPS : Siemens Plessey Systems SN : Snow (meteo) SPS : Standard Positioning Service SN, S/N : Signal-to-Noise SPS : STDMA/VDL Mode 4 Performance Simulator SNA : Satellite Navigation Application SPSS : Statistical Package for the Social Sciences SNA : System Network Architecture (IBM Network) SPT : Strategic Planning Team. The Strategic Planning SNAcF : Subnetwork Access Function Team acts as a focal point for the development of SNAcP : Subnetwork Access Protocol collaborative Strategic Plans of Operation. SNASG, SNA-SG : Satellite Navigation Applications Sub- sq. in. : Square Inch Group sq-cm : cm2 SNBNK : Snowbank/s Caused by Plowing (Windrow(s)) SQ : Singapore Airlines (airline) SNDC : Subnetwork Dependent Convergence Function SQ : Squalls (meteo) SNDCF : Sub-Network Dependent Convergence Facility SQE : Software Quality Engineer (DECADE) SNET : Safety Nets SQL : Squall Line SNGL : Single SQL : Structured Query Language SNICF : Subnetwork Independent Convergence Function SQS : Safety, Quality Management, and Standardisation SNIR, S/N : Signal-to-noise ratio (EATM Unit) SNME : Subnetwork Management Entity SQU : Squelch (VCS) SNMP : Simple Network Management Protocol (RAPNET - SR : Slovak Republic CNG-) SR : Study Report SNOWTAM : A special series NOTAM notifying the SR : Sunrise presence or removal of hazardous conditions due to snow, SR : Swissair (airline) ice, slush or standing water associated with snow, slush SR-30 : 30 Minutes before Sunrise and ice on the movement area, by means of a specific pro SRA : Surveillance Radar Approach forma. SRA : Special Rules Area SNPA : Subnetwork Point of Attachment SRB : Solid Rocket Booster SNR : Signal-to-Noise Ratio SRC : Safety Regulation Commission (New Convention) SO Southern Airways SRC : Systems and Research Center SO : Specialist Objectives SRD : Standard Route Document SO : Standards Office (Eurocontrol) SRD : System (or Software) Requirements Document So : The Present (undesired) state SRD : System Research and Development SOC : Start of Climb SRDTF : System Research & Development Task Force SOC : System / Sector Operations Centre SRE : Slant Range Error SOF : Stand-alone Operations Facility SRE : Surveillance Radar Element of GCA SOGITS : Senior Official Group in IT Standardisation SRG : Safety Regulation Group SOIR : Simultaneous Operations on parallel (or near- SRG : Short Range parallel) Instrument Runways SRI : Stanford Research Institute SOL : Sector Outbound List (MDP) SRI : System Replay and Investigation SOP : Standard Operating Procedures SRJ : Slot Improvement Proposal Rejection Message SOPA Standard Operating Procedure Amplified SRM : Sector Revision Message SOR : State of Readiness SRM : Slot Revision Message SOS : CFMU/ENGD – Systems Operations Section SRP : Selected Reference Point SOTA : South Oceanic Transition area SRP : Slot Reference Point SOW : Statement of Work SRP : Slot Revision Proposal (CFMU - CASA) SP Space SRQ : Slot Request sp : Ground Speed SRR : Search and Resque Region SP : Service Provider SRR : Slot Revision Request (CFMU - CASA) SP : Special Purpose (ASTERIX) SRR : System Requirements Review SP : Special point SRS : Standard Routeing Scheme SP : Standard Precision SRS : System Requirements Specification SP : Succession Planning SRSG : Safety Regulation Sub-Group SP : System Parameter SRT : Single Radar Tracker SPA : Slot Improvement Proposal Acceptance Message SRT : Sort Route Transparent SPACDAR : Specialist Panel on Automatic Conflict SRU : Safety Regulation Unit (to support SRC). See SRC Detection and Resolution SRU : Shop Replaceable Unit SPAF : Strategic Performance Analysis and Forecast SRV : Server SPAS : Sensor Performance Analysis Standard SRZ : Special Rules Zone SPD : Speed, Speed Mode SS : Sand Storm (meteo) SPECI : Aviation Selected Special Weather Report SS : Sector Supervisor SPECIAL : Special Meteorological Report SS : Sunset SPF : Scratch Pad Field SS+30 : 30 Minutes after Sunset SPG : Special Planning Group SSA : Smallest Space Analysis SPI : Special Pulse (Position) Identification (SSR) SSA : System Safety Assessment SPL : System Flight Plan / Supplementary Flight Plan SSALF : Simplified Short Approach Lighting with SPMP : Software Project Management Plan Sequence Flashers SPN : Short Plan Input SSALR : Simplified Short Approach Lighting with Runway SPO : Special Project Office Alignment Indicator Lights SPO : Strategic Plan of Operation. See SPT SSALS : Simplified Short Approach Lighting Systerm SSAP Selector : Session Service Selector ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 46 AAA (All Aviation Abbreviations) www.flyingineurope.be

SSAP : Source Service Access Point (RMCDE / RADNET) STD : Standard (altimeter setting) SSB : Single Side Band STDMA : Self-organising Time Division Multiple Access SSD : Synthetic Situation Display STEP : Social, Technological, Environmental and Political SSDD : System/Segment Design Document STEPCLB StepClimb SSDG : Surveillance Strategy Drafting Group STF ARTAS, STFAD : Surveillance Task Force on ARTAS SSE : South-South-East Development SSE : Sum of Squared Errors STF : Selection Task Force SSEC : Static Source Error Correction STF : Stratiform SSFDR Solid-State Flight Data Recorder STFAP : Surveillance Task Force on the Appraisal SSGHI : Surveillance Sub-Group on Harmonisation and Programme Implementation STFDPPAS : Surveillance Task Force on the Data SSGS : Surveillance Sub-Group on Standards Processing Performance Analysis Standard SSGT : Surveillance Sub-Group on Tools STFRDE : Surveillance Task Force on Radar Data SSM Sign Status Matrix Exchange SSM : Standard Schedules information Manual STFRL : Surveillance Task Force on Reference Levels SSM : System Surveillance and Maintenance STFRSS : Surveillance Task Force on the Radar SSO : STAR Support Office Surveillance Standards SSP : Secondary Spare Part STFSDIR : Surveillance Task Force on Surveillance data SSP : Sole Source Procurement Distribution Infrastructure Requirements SSP : Source Selection Panel STF-SDPS : Surveillance Task Force on Surveillance Data SSPA : Solid State Phased Array Processing Systems SSPSG : Structures for Service Provision Sub-Group (High STFSPAS : Surveillance Task Force on the Sensor Level Group: Single European Sky (EU) Performance Analysis Standard SSR Mode S : Selective Address SSR STFTE : Special Task Force of Training Experts SSR : Secondary Surveillance Radar STFTV : Surveillance Task Force on Transponder SSR : Software Specification Review Verification SSR : Solid State Relay STG : Eurocontrol Standards Group . See SSGS SSRBRIGH : Highlight set code to target (input) ST-ICD : Short-Term Interface Control Document SSRC : Current SSR Code STLP : ATS Selection Training and Licensing Panel SSS : Source Select Switch STMP : Special Traffic Management Program. SSS : System/Segment Specification STN : Station SSSP : EU Subgroup on Structures for Service Provision STNR : Stationary (see SSPSG) STOA : Scientific and Technological Options Assessment SST : Supersonic Transport STOL : Short Take Off and Landing SSTS : Space Surveillance and Tracking System STORIA : Simulation Tool for Online Recording and S-SUP : Sector Supervisor Analysis SSW : South-South-West STP : Shielded Twisted Pair or Software Rest Plan ST : Specialist Task STP : Software Test Plan (MAS/DFS - ODS) ST : Stratus STP : Standardised Training Package ST, S/T : Short-Term STPV : Service du Traitement automatique des Plans de STA : Sequence / Scheduled Time of Arrival Vol (F-FPPS) STA : Straight in Approach STR : Service du Traitement des données Radar (F- STAB Stabilizer RDPS) STAC : Second Time Around Clutter STR : Software Test Report STANAG, Stanag : Standardisation Agreement STRANGE : Simplified Trajectory Generator STANINE : Standard Nine Score STRAT : Strategic Planning System STANLY : Statistics and Analysis STRATPLAN : CFMU Strategic Planning Meeting STANS : Simulation facility of a Total Air Navigation STS : Stand-by Telephone System System STS : Status (Indicator) STAR : Second Time Around Returns (Radar) STS : Reasons for special handling: (Flightplan) STAR : Self Test and Repair STS/ATFM EXEMPT APPROVED STAR : Sistema Telegráfico Automático de Retransmissão STS/EMER Flights engaged in emergency (PoAF) (PT) / Standard (instrument) Arrival Route missions STAR : Standard Terminal (Instrument) Arrival Route STS/EXM833 State aircraft, not equipped with STAR : Studies, Tests and Applied Research (former STT) 8.33 kHz channel spacing radio equipment STAR : Surface to Air Recovery prescribed for an area STARS : Surveillance and Tracking Attack Radar System STS/HEAD Flights with Heads of States START-OVER : Process of putting in action the COLD- STS/HOSP Flights with sick or injured persons STANDBY needing immediate medical assistance, including STAT : Second-Time-Around Targets flights urgently required for life-saving medical STAT : Statistics care of sick or injured persons. This comprises STATFOR : Specialist Panel on Air Traffic Statistics & both flights for the transport of transplants, Forecasts stored blood and medicine and flights to be STB TF : Short-Term Benefits Task Force conducted to pick up a patient, transplants, STC : Sensitivity Time Control stored blood or medicine at the destination place STC : SHAPE Technical Centre (NATO, Hague) STS/HUM Flights operating for humanitarian STC : Short Time Constant reasons STC : Simulation Technical Coordinator STS/NIL Replaces all other STS/entries. Only to STC : Steering Committee be used when reporting flight plan changes\ STC : Supplemental Type Certificate (FAA) STS/NONRNAV State aircraft, not equipped with STCA : Short-Term Conflict Alert ; a ground-based safety type RNP prescribed for a route segment, a net routing and/or an area STCD : Short-Term Conflict Detection STS/NONRVSM State aircraft without RVSM STCW : Short-Term Conflict Warning permission STD : Scheduled Time of Departure STD : Software Technical Designer ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 47 AAA (All Aviation Abbreviations) www.flyingineurope.be

STS/PROTECTED Flights critical to safety, the SYSCO : System Supported Coordination flight plan of which is only to be made available SYSEVAL : System Evaluation to a limited circle of recipients S (Sigma) : Symbol for sum STS/RNAVINOP For aircraft, the RNAV s (small sigma) : Symbol for Standard Deviation equipment of which is inoperable at short notice or no longer complies with the required minimum -T- conditions STS/SAR Flights engaged in Search and t : Tons Rescue missions T : Tesla / Terminal STS/STATE Government flights T : Temperature StS : Support to States (Eurocontrol) t.b.d. : To be decided / discussed STSMOD : Delay ac (input) T/C :Top-of-Climb STT : Studies, Tests and Trials (now : STAR) T/D :Top of-Descent STTR Small Business Technology Transfer Resources T/O :Takeoff STU : Selected Trajectory Update TA : Task Analysis STUD : Innovative studies (ARDEP) TA : Test Area STWL : Stopway Lights TA : Time of Arrival SU : Aeroflot (airline) TA : Traffic Advisory (ACAS/TCAS) SUA : Special Use Airspace TA : Transition Action SUATMS : Single Unified ATM System TA : Transition Altitude SUBJ : Subject to TAA : Terminal Arrival Area SUC : Start-Up Controller TAA : Track Accuracy Analysis SUCT : Surveillance analysis and Calibration Tools TAAM : Total Airspace and Airport Modeller (Preston (ARDEP) Group, Victoria, Australia) SUDP : Surveillance data Processing (ARDEP) TACAN : UHF Tactical Air Navigatoion aid (Azimuth and SUMI : Software Usability Measurement Inventory DME) SUP : Supervisor TACH Tachometer SUP : Supplement TACIS : Technical Assistance to the Community of Sup. Pract. : Supervised Practices Independent States ( EC ) SUP/ACC : Supervisor Area Control Centre TACOT : TACT Automated Command Tool SUP/APP : Supervisor Approach TACOT : Tactical Operational Tool SUP/MIL : Supervisor military TACT data : Data required by or output by the CFMU SUPPS : Regional Supplementary Procedures (ICAO) TACT system. SUPSIS : Supervisor (Centre and System) TACT : CFMU Tactical Computer System SUR : Surveillance (EATM Domain) TACT : Tactical Flow Management Working Position SURT : Screen Update Response Time TAD : Target Audience Description SURT : Surveillance Team TADIL : Tactical Distribution List SurvITE : Surveillance Integrated Tested for EATMS TAF : Terminal Area (Aerodrome) Forecast SV : Secure Voice TAFEI : Task Analysis For Error Identification SV : Space Vehicle (Satellite) TAG : Transitional Airport Group (APATSI) SVC : Service (message) TAI : International Atomic Time SVC : Switched Virtual Circuits (RMCDE / SIR) TAI Thermal Anti-lce SVCBL : Serviceable TAIL : Tail (wind) SVFR : Special VFR TAIS : Total Aircraft Information System SVID : System V Interface Definition TALK : (Swedish) VCS Upgrade Programme / System SVN : Satellite Vehicle Number TAM : Technical Acknowledgement Message SVP : Supervisor TAMS : Total Airport Management System SVRWX : Severe Weather TAMP : Turkish ATC Modernisation Project SVS : Synthetic Vision System TAOIT : Tribunal Administratif de l'Organisation SVVP : Software Verification and Validation Plan Internationale du Travail SW : South-West TAP Terminal Area Productivity SW, s/w : Software TAR : Terminal Area (surveillance) Radar SWAP : Severe Weather Avoidance Procedure (Program) TAR : Trials ATN Router SWAT : Subjective Workload Assessment Technique TARA : Terminal Area RNAV Applications Task Force SWB : Southwest Bound TARAD : Tracking Asynchronous Radar Data SWEPT : Swept or Broom(ed) TARE : Telegraphic Automatic Relay Equipment SWCI : Software Configuration Item TARTAR : ATS Route Structure between Armenia, SWG : Simulation Working Group Azerbaijan, Georgia, Iran, Turkey SWI : Swisscontrol Interface tas / TAS : True Airspeed SWIFT : Specifications for Working positions In Future Air TAS : Traffic Advisory System Traffic Control TASC : (Industry) The Analytical Science Corporation SWIM : System-Wide Information Management TAT : Total AirTemperature SWM : SIP Wanted Message TATCA : Terminal ATC Automation (FAA) SWORD : Subjective WORkload Dominance technique TATCI : Tallinn ATC Improvement project (Estonia) SWOT : Strength, Weaknesses, Opportunities and Threats T-ATSU : Transferring ATS Unit (ICAO) SWP : Software Simulation Package Tau : Range / Range rate (TCAS) SWP : Support Working Position TAWS : Terrain Awareness and Warning System SWS : Software Service TAX : Taxi or Taxiing SWY : Stopway (ICAO) TB : Tellback SXCOP : Sector Exit Coordination Point TBA : Tellback Area SY : Syrian Arab Republic (ISO Countries Codes) TBA : To Be Advised SYCA : System Capacity TBD : To Be Determined (Defined) SYCO : System Configuration TBN : To Be Notified SYMA : System Manager TBS : Telephone Back-up System (VCS) Sync. : Synchronous TBO Time between Overhauls SYSCIMIC : System supported Civil/Military Coordination TBS To Be Specified ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 48 AAA (All Aviation Abbreviations) www.flyingineurope.be

TC : Typical Changes TF : Track to a Fix (ARINC 424 Path Terminator) TC : Tactical Controller TFA : Test Flight Analysis TC : Transit Corridor TFACS : Task Force on Assessment Centre Standards TC : Transition Concept TFC : Traffic TC : Tropical Cyclone TFCCC : Task Force Common Core Content . TC/OC : Technical Control and Operational Control TFD : Thin Film Diode TCA : Terminal Conflict Alert TFDATS : Delegation of ATS Task Force (ANT) TCA Terminal Control Area TFIS : Traffic Flow Investigation System TCA : Track Continuity Area TFM Traffic Flow Management TCA : Track-to-chain Association TFMS : CFMU/ENGD - Technical Facilities & Management TCA : Traffic Count Area Support Section TC-APD : Tactical Controller Activity Predictor Display TFR : Temporary Flight Restriction TCAS : Traffic Alert and Collision Avoidance System TFR : Tactical Flight Record TCB : Training Co-ordination Board (Eurocontrol, IANS) TFT : Thin Film Transistor TCC : Thrust Control Computer TFTR : Terrain Following Training Route TCC : Traffic Control Centre TFTS : Terrestrial Flight Telephone System TCDP : Technical Control Data Processor TF-TTM : TF on Technology Based Training Tools and TCG : Training Consultation Group / Groupe consultatif sur Methods la formation TFV : Traffic Volume T-Channel : Time Division Multiple-Access Channel TG : Thay Airways (airline) TCL : Terminal Control TG : Task Group TCOP : Transfer Coordination Point TGDLP : Trials Ground Data Link Processor TCP / IP : Transmission Control Protocol / Internet TGF : Traffic Growth Factor Protocol TGL : Temporary Guidance Leaflet (JAA) TCP : Transmission Control Protocol TGL : Touch and Go Landing TCPU : Touch Panel Central Processing Unit (ACS) TGT : Target TCT : Technical Control Terminal TGS : Taxiing Guidance System TCU : Towering Cumulus (meteo) TH-CSF : Thomson CSF TCWP : Threshold Crossing Way-point THD : Total Harmonic Distortion TDA : Track Detection Analysis THDG : True Heading TDB : Track Data Block THN : Thin TDCE : Telephone Distribution and Control Equipment THR : Threshold TDCP : Test Display and Control Panel THR : Thrust TDD : Time Division Duplex THRL : Treshold Lights TDF : Total Delayed Flights THRU : Through TDF : Training and Development Facility TIA : Traffic Information Area TDH : Training Development and Harmonisation (IANS) TIAS : True Indicated Airspeed TDM : Time Division Multiplexing TICTAC : Time Constrained Trajectory Computation : TDM : Total Delay in Minutes Trajectory predictor TDMA : Time Division Multiple Access TID : Touch Input Device TDO : Tornado TIDE : Tactical and IFPS Development Environment TDOP : Time Dilution Of Precision TIDmn : Track Initiation Delay Mean TDR : Target Data Receiver TIDsd : Track Initiation Delay Standard Deviation TDR : Track Drop Rate TIL : Until TDR : Traffic Data Record TIM : Transfer Initiation Message TDS : Tactical Data System TIMERS : Traffic Intelligence for the Management of TDS : Test and Development Sector Efficient Runway Scheduling TDSP : Training Documentations and Special Projects TIP : Until past….(place) TDWR : Terminal Doppler Weather Radar (TDWR located TIP : Touch Input and Display Panel and classifies windshear conditions and provides TIS : Time to Insert the Sequence advisories in the terminal area. These data are available TIS : Traffic Information Service or Sector through the DLP.) TITLE : Message Name TDZ : Touchdown Zone TIZ : Traffic Information Zone TDZL : Touchdown Zone Lights TK : Turkish Air (airline) TDZ LGT : Touchdown Zone Lights TKE TrackAngle Error TE : Time of Entry TKOF : Take-off TE : Lithuanian Airlines (airline) TKX : Crosstell Tracker TEC : Technical ATM Systems and Logistics Support TL : Tans Mediterranean Airways (airline) TEC : Total Electron Content TL : Transition Line (Level) TEC, TECH : Technical TL : Traverse Level TECR : Technical Reason TL… : Until (meteo) TEL : Telephone TLA : Title Line Area TELIA : (Swedish) Telecommunications Provider TLOF : Touchdown and lift-off area TEMP : Temperature TLPD : Traffic Load Prediction Device TEMP : Test and Evaluation Master Plan TLS : Tactical Load Smoother TEMPLE : Terminal Management and Planning Equipment TLS : Target Level of Safety TEMPO : Temporary or Temporarily TLV : Type Length Value TEN : Trans-European Network TLX : Task Load Index (NAA) TEND : Trend Forecast TM : Traffic Management TEN(-T) : Trans European Network (-Transport) (European TMA : Terminal Manoeuvring Area ; Terminal Control Area Commission funding) (ICAO) TEPS : Trajectory Editor and Problem Solver TMA : Traffic Management Advisor TER : Terminated TMA-TC : TMA Tactical Controller TERPS : Standard for Terminal Instrument procedures TMC : Technical Monitoring and Control TES : Trials End System project TMC : Terminal Control Centre TF : Task Force or Touch Field (VCS) ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 49 AAA (All Aviation Abbreviations) www.flyingineurope.be

TMC : Thrust Management Computer TRA : Thrust Reduction Altitude TMCS : Technical Maintenance and Control System TRACON : Terminal Radar Approach Control TMCS : Technical Monitoring and Control System TRAINDEV2 : Integrated Eurocontrol Training Design Tool (RMCDE / MADAP) TRAMON : Traffic Monitoring TMCU : Tower Main CWP Unit TRANS : Transition or Transmit or transmitter TMF : Thrust Management Function TRANSCOM : French public telecommunication network TMPA : Traffic Management Program Alert TRAP : Technical Review and Audit Plan TMRR : Temporary Minimum Disk Route TRB : Tracker Ball TMS : TeleManagement System TRB : Transportation Research Board (4-States) TMS : Tools Manager Server TRD : Transit Routing Domain TMS : Traffic Management System TREE : Transit Radiation effects on Electronic Equipment TMSSG : Top Management Structure Sub-Group TREN : Transport and Energy (General Directorate EU) TMU : Traffic Management Unit (FAA) TRF : Total Regulated Flights TN : Track Number TRG : Training TN : Trajectory Negociation TRK : Track (to a NAVAID) TN : True Negative TRL : Transition Level TN True North TRM : Team Resource Management TN : Tunisia (ISO Countries Codes) TRML : Terminal TNA : Turn Altitude TRMTFII : Team Resource Management Task Force II TNAV : Time Navigation TRNG : Training TNH : Turn Height TROL : Tapeless, Rotorless On Line TO : Takeoff TROP : Tropopause TO : Technical Order TRP : Thrust Rating Panel TO : Time Over TRR : Test Readiness Review (MAS - ODS) TO : To…(place) TRS : Time to Remove from the Sequence TOA : Terms of Agreement TRSB : Time Reference Scanning Beam TOAST : Team Oriented ATC Simulator Training TRSN : Transtition TOAST : Technical, Operational and System Tests TRU : True TOC : Technical Operators Centre TRUST : Terminal Routes Using Speed-Control TOC : Top Of Climb Techniques (MITRE, CAASD) TOC : Transfer Of Control TRY/PFL : Try Input of Planned Flight Level TOD : Top Of Descent TS : Technical Specification TODA : Take Off Distance Available (ICAO) TS : Technical Supplement TODAH : Take Off distance available, helicopter TS : Test Specification TOGA : Takeoff/Go-Around TS : Thunderstorm (meteo) TO EPR Takeoff Engine Pressure Ratio TS : Track Server TO Nl Takeoff Engine Fan Speed TS : Transport Service User TOP : Cloud Top TSA : Temporary Segregated Area TOPL : Take Off Performance Limits TSAP : Transport Service Access Point TOR : (Swedish) Briefing System (MET, Flight Plans) TSCU : Tower Support CWP Unit TOR : Terms Of Reference TSD : Time Sequence Diagram TORA : Take Off Run Available TSD : Traffic Situation Display (FREER) TORCH : Technical, Economical and Operational TSDD : Test Synthetic Dynamic Display Assessment of an ATM Concept Achievable from the Year TSDF : Time Slot Duty Factor 2005 TSDG : Technical and System Development Group TOS : Traffic Orientation Scheme TSE : Total System Error TOSCA : Testing Operational Scenarios for Concepts in TSG : Training Sub-Group ATM TSGE : Tri-Service Group on Communications and TOT : Take-Off Time Electronics TOT : Time Over Target TSIKADA : Russian four-satellite civil navigation system. TOT : Total TSIKADA-M : Russian six-satellite military navigation TOWP : Take Off Waypoint system TP : TAP Air Portugal TSNT :Transient TP : Trajectory Prediction ; Transport Protocol TSO : Technical Service/Standard Order TP : Turning Point TSO : Time Sharing Option TP : True Positive TSP : HRS Training Sub-Programme (EATM) TP-4 : Transport Protocol, class 4 TSR : Terminal Surveillance Radar TPAS : Trajectory Predictor based Aircraft Simulator TSr : Track Swop Rate TPD : Transition Programme Description TSRV : Transport System Research Vehicle (Facility) TPDR : Transponder TSS : Target Software Server TPDU : Transport Protocol Data Unit (RMCDE) TSS : Traffic Sub-System TPINS : Transition Plan For The Implementation Of The TST : Test Navigation Strategy TST : Trajectory Support Tool TPL : Task Priority List TSTMS : Thunderstorms TPL : Transport Layer TSU : Technical Support Unit TPS : A mono-radar track format TT : TeleTypewriter TPT : Touchdown Point TT : Total Temperature TQM : Total Quality Management TTA : Tactical Training Area TR : Test Report TTC : Telemetry and Telecommand Centre TR : Track TTF : Total Flights TR : Transbrasil (airline) TTG : Time To Go TR : Turkey TTL : Transistor-Transistor Logic TRA : Required Time for Arrival TTP : TCAS II Transition Program TRA : Temporary Reserved Airspace/Area TTR : Target Tracking Radar TRA : Traffic (type) TTS : Time To Station TTS : Trails Transport Service (ATN) ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 50 AAA (All Aviation Abbreviations) www.flyingineurope.be

TTW : Time To Waypoing UL : Air Lanka (airline) TTY : Teletype Telex Machine UL : Ultra Light glider TU : Tunis Air UL : Upper Link (ATS route indication) or Uplink TU : Temps Universel ULM : Ultra Light Motorized TU : Turkey ULR : Ultra Long Range TUM : Time Update Message UMA : Unmanned Aircraft TURB : Turbulence UNA : Unable TV : Television UNAP : Unable to Approve TVE : Total Vertical Error UNAVBL : Unavailable TVOR : Terminal VOR UNHCR : United Nations High Commissioner for Refugees TWDL : Two-Way DataLink UNINC : Unusual Incidents TWG : Training Working Group UNL : Unlimited TWI : Terminal Weather Information UNLGT : Unlighted TWIP : Terminal Weather Information for Pilots UNMKD : Unmarked TWN : Tactical Weather Network UNMNT : Unmonitored TWP : Technical Work Programme in the Air Navigation UNO : United Nations Organization Field (ICAO) UNREL : Unreliable TWR : Tower Control Unit (Aerodrome Control Tower) UNT : Until TWS : Technical Watch Supervisor UNUSBL : Unusable TWS : Terminal Weather Service (ICAO) UPD : Update Plan Divergence TWS : Track While Scan UPP : Upper airspace TWT : Travelling Wave Tube UPS : Uninterrupted Power Supply / System TWY : Taxiway UPSEL : Update Selection TWYL : Taxiway Lights URA : User Range Accuracy TX / RX : Transmitter / Receiver (Radar head) URANIA : UpRading Athens Terminal Area aNd Tx : Next waypoint ETA Interfacing to the PALLAS ACC system Tx : Teletype URB : CFMU – User Relations Bureau TX : Transmitter Station URD : User Requirements Document Txt : Text URE : User Range Error TXWY : Taxy Way URET : User Request Evaluation Tool (MITRE Conflict TYP or TYPE : Aircraft Type Detection product) TYPH : Typhoon URG : Urgency (ICAO) t (Tau) : Symbol for time URP : User Requirements Phase URTF : User Requirements Task Force -U- US USAir USAF : US Air Force U : Upward (tendency in RVR during pervious 10 minutes) USAREUR : US Army (Representative) in Europe U/L : Upper / Lower - Upper Link USART : Universal Synchronous / Asynchronous U/S : Unservicealble Receiver/Transmitter UA : Ukraine (ISO Countries Codes) USCG : United States Coast Guard UA : United Airlines (airline) USD : US Dollar UAB : Until Advised By USFSPEI : Union Syndicale Fédérale of the European and UAC : Upper Area Control (Centre) International Public Services UACC : Upper Airspace Control Centre USG : US Government UAP : User Application Profile (RMCDE) USNO : US Naval Observatory UAR : Upper Air Route USSPE : Union Syndicale - Service public européen / UAS : Upper Airspace European Public Service Union (=EPSU) UAV : Unmanned Aerial Vehicle UT : Universal Time UCDU : Universal Control and Display Unit UTA : Upper (Traffic) Control Area UDA : Upper Advisory (Service) Area UTA : Upper Transition Area UDF : Ultra High Frequency Direction Finding UTC : Universal Time Co-ordinates UDF : Unducted Fan UTP : Unshielded Twisted Pair UDRE : User Differential Range Error UUP : Updated (Airspace) Use Plan UEATMS : Uniform European Air Traffic Management UVA : Utility Value Analysis System -V- UEO : Union de l'Europe Occidentale / Western European V : Velocity Union (=WEU) V : Volt UERE : User Equivalent Range Error V1 : Take-off decision speed UFF : Ultimate Fallback Facility V2 : Minimum take-off safety speed at 35’ UFN : Until Further Notice V&V : Validation & Verification UFO : Unidentified Flying Object V/M : Volts-per-meter UHDT : Unable Higher Due Traffic V/S : Vertical Speed/Vertical UHF : Ultra High Frequency V/STOL : Vertical or Short Take-Off and Landing UIC : Unit Identity Code Vx : Version x UIC : Upper Information Centre VA : Heading to an Altitude (ARINC 424 Path Terminator) UIECS : Union of International and European Civil VA : Design Maneuvering Speed Servants VA : Vulcanic Ash (meteo) UIMS : User Interface Management System VAA : Value Added Applications UIR : Upper (flight) Information Region VAC : Volts, Alternate Current UIVE : User Ionospheric Vertical Range VAC : Visual Approach and Landing Chart UK : Air UK (airline) VAFOR : Very Advanced Flight Data Processing System UK : United Kingdom (ISO Country Code) Operational Requirement UKAATS : UK Advanced ATS VAFORIT : VAFOR Implementation UKD : Upgrade ZKSD and coupling with DERD-X VALFAC : Validation Facility (avionics test and simulation Ukraviatsia : Ukrainian State Aviation Administration facility) UkSATSE : Ukrainian State Air Traffic Services Enterprise VAN : Value Added Network ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 51 AAA (All Aviation Abbreviations) www.flyingineurope.be

VAP : Visual Aids Panel VHF R/T : Very High Frequency Radio/Telephony VAP : Volumetric Airspace Penetration VHF-OTF : VHF Operations Task Force VAPS : Virtual Applications Programming Software VHRR : Very High-Resolution Radiometer VAPS : Visual Approaches VHSIC : Very High Speed Interated Circuit VAQ : VHF Avionics Qualification VI : Heading to Intercept (ARINC 424 Path Terminator) VAR : Variation Magnectic VIA : By way of VAR : Volt-amps Reactive VICE : Instead/Versus VAR : VCS, Ancillaries and Remote control system VID : Visual Image Display VAR : Visual-aural Radio Range VIP : Very Important Person VAS : Vienna ATCC Data Processing System Vis : Visual aids VAS : Vortex Advisory System VIS : Visibility VASI : Visual Approach Slope Indicator VISSR : Visible Infrared Spin Scan Radiometer VASIS : Visual Approach Slope Indicator System VL : Very Low ATC Complexity VAT : Value Added Tax Vls : Lowest Selectable Airspeed VAW : Vertical Assistance Window (ODID) VLBI : Very Long Baseline Interferometry VBF(LO) : Flaps up minimum buffet speed at current VLCT : Very Large Capacity Transport maneuver load factor minus altitude dependent variable VLE : Landing Gear Extended Placard Airspeed VBX : Visual Basic Extensions VLF : Very Low Frequency VC : Design Cruising Speed VLO : Maximum Landing Gear of Operating Speed VC : In Vicinity (meteo) VLOF : Lift-off Speed VC : Virtual Circuit VLR : Very Long Range VD : Design Diving Speed VLSI : Very Large Scale Integration VD : Heading to a DME distance VLUT : Video Look-Up Table VDC : Volts, Direct Current VM : Regional Airlines France (airline) VDEV : Vertical Deviation VM : Heading to a Manual Termination (ARINC 424 Path VCCS : Voice Communication and Control System Terminator) VCI : Voice Change Instruction, a message of the ACM VMAX : Basic Clean Aircraft Maximum CAS service VMC : Visual Meteorological Conditions VCMAX : Active Maximum Control Speed VMC : Minimum Control Speed with Critical Engine Out VCMIN : Active Minimum Control Speed VM(LO) : Minimum Maneuver Speed VCO : Voltage Controlled Oscillator VMMS : VHF Multi-frequency Management Unit VDP : Visual Descent Point VMIN : Basic Clean Aircraft Minimum CAS VCR : Visual Control Room VMO : Velocity Max Operating VCRI : Verification Cross Reference Index VN : Valid Negatives VCS : Voice Communications System VNAV : Vertical Navigation (provides computer description VCSS : Voice Communications Switching System of aircraft's speed and altitude that can be tracked by VCSTF, VCS-TF : Voice Communications System autoflight system) Specification Task Force VNE : Never-exceed Speed VCY : Vicinity VNO : Maximum Structural Cruising Speed VD : Heading to a DME Distance (ARINC 424 Path VNSE : Vertical Navigation System Performance Terminator) VO : Tyrolean Airways (airline) VD : Vertical Dispersal VOI : Volume of Operational Interest VDC : Direct Current Voltage VoL : Value of Life VDF : Very high frequency Direction Finding station VOL : Volume VDF : VHF Direction Finder VOLMET : Meteorological Information for Aircraft in Flight VDGS : Visual Docking Guidance System VOLMET : Routine Weather Reports Broadcast on VHF VDL : VHF Digital/Data Link VOM : Volt-ohm-milliammeter VDL/4 : VHF Self-organising TDMA (STDMA) Data Link VOR : VHF OmniRange Navigatgion System (ground Mode 4 navigational aid that can provide display of aircraft position VDOP : Vertical Dilution Of Precision relative to course through selected ground navigational VDR : VHF Data Radio radio transmitter) VER : Vertical VOR/DME, VOR-DME : VHF Omni-directional Ranging / VHFAMS : Very High Frequency Aeronautical Mobile Distance Measurement Equipment Services VORTAC, VOR-TACAN, VOR/TAC : Combined VOR and VDR : VHF Digital/Data Radio TACAN VDU : Video (Visual) Display (Distribution) Unit VOT : VHF Omnidirectional Range Test – VOR-reciever VDX : Videotext test facility VEL : Velocity Leader VOT : VOR airborne equipment test facility VENSIM : Ventana Simulator VP : Vertical Profile Ver : Vertical VPAE : Vertical Profile Angle Error VESDA : Very Early Smoke Detection Apparatus (Fire VPATH : Vertical Path alarm system) VPIP : Vertical Intercept Point VF : Voice Frequency VP : Valid Positives VFE : Flaps Extended Placard Speed VPD : Vertical Polar Diagram VFOP : Visual Flight Rules Operations Panel VR : Cabo Verde Airlines (airline) VFR : Visual Flight Rules VR : Heading to a VOR Radial (ARINC 424 Path VFXR(R) : Flap Retraction Speed Terminator) VFXR(X) : Flap Extension Speed VR : Takeoff Rotation Velocity VG : Ground Velocity VRB : Variable (meteo) VG : Validity Generalisation VREF : Approach Reference speed VG/DG : Vertical Gyro/Directional Gyro VRRS : Voice Recording and Display System VGND : Ground Velocity VRS : Voice Response System VGS : VHF Datalink Ground Station VS : Stalling Speed VH : Maximum Level-flight Speed with Continuous Power VS : Vocational Stabilisation VHF : Very High Frequency VS : Design Speed for Maximum Gust Intensity

VSA : By Visible reference to the ground WGCS-84 : World Global Co-ordinate System 1984 VSAT : Very Small Aperture satellite Terminal WGPDS : Word and Graphics Process Documentation VSBY : Visibility System VSCS : Voice Switching and Control System WGR : Working Group on Route Charges VSD : Vision and Strategy Document WGRSG : Sub-Group of the Charges Working Group VSI : Stalling Speed in a Specified Flight Configuration WGS : World Geodetic System VSI/TRA : Vertical Speed Indicator/Traffic, Resolution WGS : World Geodetic Survey Advisory WGS-72 : : World Geodetic System/Standard (1972) VSIG : Vertical Separation Implementation Group WGS-84 : World Global System 84, which is the ICAO VSM : Vertical Separation Minimum recommended parameterisation of an ellipsoid earth model VSO : Stalling Speed in the Landing Configuration WHORU : WHO aRe yoU VSP : Variable System Parameter WI : Within VSP : Vertical Speed WID : Width VSSE : Intentional One Engine Inoperative Speed is a WIE : With immediate effect or effective immediately minimum speed selected by the manufacturer for WILCO : Will Comply intentionally rendering one engine inoperative in flight. WINDR : Wind Direction VSSG : Vertical Separation Sub-Group WINDMG : Wind Magnitude VSTOL : Vertical or Short Takeoff and Landing WINTEM : Forecast upper wind and temperature VSWR : Voltage Standing Wave Ratio WIP : Work in Progress VTK : Vertical Track Distance WIPO : World Intellectual Property Organisation VTN : Voice Telecommunications Network WIRS : Wide Area Reference Stations VTOL : Vertical Take-Off and Landing WKDAYS : Monday through Friday V/TRK : Vertical Track WKEND : Saturday and Sunday VTR : Variable Takeoff Rating WKN : Weaken or Weakening VTS : Vessel Traffic Services WKSP : Transmission Centres Workshop ; Data VTT : Vertical Threshold Test Transmission Workshop VU : Utility Speed WLA : WorkLoad Assessment VVD : Vertical View Display WM : Working Memory VWF : Video For Windows WMB : Window Management Button VX : Speed for Best Angle of Climb WMO : World Meteorological Organisation VY : Speed for Best Rate of Climb WMSC : Weather Message Switching Center Vl : Critical Engine Failure Velocity (Takeoff Decision WMSCR : Weather Message Switching Center Speed) Replacement V2 : Takeoff Climb Velocity WND : Wind WNW : West-North-West -W- WO : Without WO : World Airways w : Wake Vortex category WOC : Wing Operations Centre W : Watt WOD : Word Of the Day W : West WORM : Write Once, Read Many W : White WP : Way-Point W2 : World Airlines (airline) WP : Work Package W/MOD : With Modification of Vertical Profile WP : Work Programme W/STEP : With Step Change in Altitude WP : Working Paper WAA : Wide Area Augmentation WP : Working Position WAC : World Aeronautical Chart WPD : Work Programme Document WAAS : Wide Area Augmentation System WPL : Work Package Leaders WAC : World aeronautical chart-ICAO 1:1.000.000 WPM : Words Per Minute WACS : Wireless Airport Communications Systems WPn : First waypoint in the next sector WAD : Wide Area Differential WPP : Working Position Processor WAD-GNSS : Wide Area Differential GNSS WPT : Way point WADGPS : Wide Area Differential GPS WRC : World Radio-communications Conferences WAFC : World Area Forecast Centre WPs : Working Positions WAFS : World Area Forecast System WPx : Next waypoint on the flight plan WAGE : Wide Area GPS Enhancement program WRNG : Warning WAN : Wide Area Network WS : Work Station WARC : World Administrative Radio Communication WS : Watch Supervisor Conference WS : Wind Shear WARC-MOB : World Administrative Radio Communication WSC : West Sector Co-ordinator Conference - Mobile Communication. WSPD : Wind Speed Waypoint : Position in space usually on aircraft's flight WSR : Wet Snow on Runway(s) plan WSW : West-South-West WB : Westbound WT : Weight WBAR : Wing Bar Lights WTC : Wake Turbulence Category WBC : Weight and Balance Computer WTSPT : Waterspout WBS : Weight and Balance System WTR : Water on Runway(s) WBS : Work Breakdown Structure WTWS : Windshear and Turbulence Warning System WC : Waypoint Capture WWW : World Wide Web (INTERNET) WCL : Weather Channel WX : Weather WDI : Wind Directon Indicator WX DEF : Weather Deviation WDSPR : Widespread WXMS : Weather Mapping System WDW : Window WXR : Weather Radar WEA : Whole ECAC Area WEF : With Effect From or Effective From -X- WEU : Western European Union (military matters) WG : Working Group X : Cross ©2004-05 Flying In Europe – [email protected] – www.flyingineurope.be 53 AAA (All Aviation Abbreviations) www.flyingineurope.be

(X) : Irregular Z : Zulu (GMTtime) X-BAND The frequency range between 8000 and 12500 ZA : South Africa (ISO Country Code) MHz ZFW : Zero Fuel Weight X-Wind : Cross Wind ZNY : New York Air Route Traffic Control Center X25 : Standard protocol in telecommunications ZOC : Zone of Convergence X.25 : Packet Switched Data Network ZOE : Zone d'Echange XAP : Crossing Alternate Proposal Message ZVF : Zero Velocity Filter XASM : Cancel Assume XASP : Extended AIRCOM Service Processor XBAR : Crossbar (of approach lighting system) XBRIGHT : Cancel highlighting XCM : Crossing Request Cancelation Message XCONF : Delete CONFlict XCOORD : Cancel Co-ordination XCOP : Exit Co-ordination Point XCOR : Cancel Correlation XCVR : Transceiver XECM : Cancel Executive Controller Message XEU : European Currency Unit (ECU) XEXPLT : Cancel Extrapolation XFDM : Cancel FDM XFL : Exit Flight Level (from a sector or volume of airspace) XFR : Transfer XFRQ : Cancel FreQuency message XGEO : Cancel GEO XHOLD : Cancel Hold XIFL : Cancel Intermediate Flight Level XIN : Crossing intentions XIN : Military Crossing Intention Notification Message XLTR : Translater XM : External Master XMET : Cancel METAR XMIT : Transmit XMITR : Transmitter XNG : Crossing XTRK : Cross Track Error XPD : ATC Transponder (also XPDR, XPNDR, TPR) XPDR : Transponder XPNDR : Transponder XMT : Excluding (Messager) XNSSR : Exit NSSR XOFF/PDR : Cancel Off Predetermined Route XPLN : Cancel Plan XPT : Exit Point of a sector (ODID) XQDM : Cancel QDM XRA : Crossing Request Answer (SEROS / MADAP) XRQ : Airspace Crossing Request Message (Airspace Crossing Dialogue) XS : Atmospherics XSFL : Cancel Supplementary Flight Level XSSR : Exit SSR XSSRBRIGH : Cancel SSR highlight XSTAT : Cancel Statistics XTDCP : Cancel Test Display Control Panel XTEDD : Cancel Test Electronic Data Display XT : Air Exel (airline) XTK : Cross Track Distance XTK : Crosstrack (cross track error) XTRK : Cancel Track XTT : Across Track Tolerance XX… : Heavy (used to qualify weather phenomena such as rain, e.g. heavy rain = XXRA) XY : Ryan Air

-Y- Y : Yellow YCZ : Yellow caution zone (runway lighting) Yd : Yards YD :Yaw Damper YR : Your YSAS : Yaw Stability Augmentation System YU : The Federal Republic of Yugoslavia (ISO Country Code)