GEN 2.2 Abbreviations Used in AIS Publications

12-AUG-2021

AIP Belgium and Luxembourg GEN 2.2-1 12-AUG-2021

Abbreviations marked by an asterisk (*) are either different from A/G Air-to-ground or not contained in ICAO Doc 8400. AGA Aerodromes, air routes and ground aids AGL Above ground level AGN Again A AIC Aeronautical information circular AIDC Air traffic services interfacility data communication A Amber *AIM ATFM information message *A Ampere AIM Aeronautical Information Management AAA (or AAB, AAC, etc. in sequence) Amended meteoro- AIP Aeronautical information publication logical message (message type designator) AIRAC Aeronautical information regulation and control A/A Air-to-air AIREP Air-report AAD Assigned altitude deviation AIRMET Information concerning en-route weather phenome- AAIM Aircraft autonomous integrity monitoring na which may affect the safety of low-level aircraft op- AAL Above aerodrome level erations AAR Air to air refuelling *AIRPROX Aircraft proximity ABI Advance boundary information AIS Aeronautical Information Services ABM Abeam ALA Alighting area ABN Aerodrome beacon ALERFA Alert phase ABT About *ALO Air Liaison Officer ABV Above ALR Alerting (message type designator) AC Altocumulus ALRS Alerting service ACARS Aircraft communication addressing and reporting ALS Approach lighting system system ALT Altitude ACAS Airborne collision avoidance system ALTN Alternate or alternating (light alternates in colour) ACC Area control centre or area control ALTN Alternate (aerodrome) ACCID Notification of an aircraft accident AMA Area minimum altitude *A-CDM Airport collaborative decision making *AMC Airspace Management Cell ACFT Aircraft *AMC ATC microphone check ACID Aircraft identification AMD Amend or amended (used to indicate amended me- ACK Acknowledge teorological message; message type designator) ACL Altimeter check location AMDT Amendment (AIP amendment) *ACL ATC clearances and instructions *AMHS ATS message handling system *ACM ATC Communications Management *AMO Aerodrome Meteorological Office ACN Aircraft classification number AMS Aeronautical mobile service ACP Acceptance (message type designator) AMSL Above mean sea level ACPT Accept or accepted AMSS Aeronautical mobile satellite service ACT Active or activated or activity *ANA Administration de la navigation aérienne *ACU Air control unit ANC Aeronautical chart - 1:500000 (followed by name/ti- AD Aerodrome tle) ADA Advisory area ANCS Aeronautical navigation chart - small scale (followed ADC Aerodrome chart by name/title and scale) *ADC Air defence controller *ANM ATFM notification message ADDN Addition or additional ANS Answer *ADEP Airport of departure AO Aircraft Operator *ADES Airport of destination AOC Aerodrome obstacle chart (followed by type and ADF Automatic direction-finding equipment name/title) ADIZ Air defence identification zone AP Airport ADJ Adjacent APAPI Abbreviated precision approach path indicator *ADNC Air Defence Notification Cell APCH Approach ADO Aerodrome office (specify service) APDC Aircraft parking/docking chart (followed by name/title) *ADP Automatic data processing APN Apron ADR Advisory route APP Approach control office or approach control or ap- ADS-B Automatic dependent surveillance - broadcast proach control service ADS-C Automatic dependent surveillance - contract APR April ADS The address [when this abbreviation is used to re- APRX Approximate or approximately quest a repetition, the question mark (IMI) precedes APSG After passing the abbreviation, e.g. IMI ADS] (to be used in AFS as APU Auxiliary power unit a procedure signal) APV Approach procedure with vertical guidance ADSU Automatic dependent surveillance unit *AR Authorization required ADVS Advisory service ARC Area chart ADZ Advise *ARES Airspace reservation AES Aircraft earth station ARNG Arrange AFIL Flight plan filed in the air ARO Air traffic services reporting office AFIS Aerodrome flight information service ARP Aerodrome reference point *AFISO Aerodrome flight information service officer ARP Air-report (message type designator) *AFIZ Aerodrome flight information zone ARQ Automatic error correction AFM Yes or affirm or affirmative or that is correct ARR Arrival (message type designator) AFS Aeronautical fixed service ARR Arrive or arrival AFT After . . . (time or place) ARS Special air-report (message type designator) AFTN Aeronautical fixed telecommunication network ARST Arresting [specify (part of) aircraft arresting equipment]

GEN 2.2-2 AIP Belgium and Luxembourg 12-AUG-2021

AS Altostratus ASAP As soon as possible C ASC Ascend to or ascending to ASDA Accelerate-stop distance available C Centre (runway identification) ASE Altimetry system error C Degrees Celsius (centigrade) ASHTAM Special series of NOTAM notifying, by means of a CA Course to an altitude specific format, change in activity of a volcano, a vol- CAA Civil Aviation Authority or Civil Aviation Administra- canic eruption and/or volcanic ash cloud that is of sig- tion nificance to aircraft operations *CANAC Computer Assisted National Air traffic control Centre ASPH Asphalt *CAS Close Air Support *ASR Aerodrome surveillance radar CAT Category AT At (followed by time at which weather change is fore- CAT Clear air turbulence cast to occur) CAVOK Visibility, cloud and present weather better than pre- ATA Actual time of arrival scribed values or conditions ATC Air traffic control (in general) CB Cumulonimbus *ATCC Air traffic control centre (military abbreviation) *CBA Cross-border area ATCSMAC Air traffic control surveillance minimum altitude chart CC Cirrocumulus (followed by name/title) CCA (or CCB, CCC, etc. in sequence) Corrected meteoro- ATD Actual time of departure logical message (message type designator) ATFCM Air traffic flow and capacity management CCO Continuous climb operations ATFM Air traffic flow management *CCTV Closed circuit television ATIS Automatic terminal information service CD Candela ATM Air traffic management CDN Co-ordination (message type designator) ATN Aeronautical telecommunication network CDO Continuous descent operations ATP At . . . (time or place) CDR Conditional route ATS Air traffic services *CENOR Central and Northern region (an organisaton of ATTN Attention NATO nations that developed specifications for aero- AT-VASIS Abbreviated T visual approach slope indicator sys- nautical charts for the use of MIL crew) tem *CEU Central executive unit ATZ Aerodrome traffic zone CF Change frequency to . . . AUG August CF Course to a fix *AUP Airspace Use Plan *CFIT Controlled flight into terrain AUTH Authorized or authorization CFM Confirm or I confirm (to be used in AFS as a proce- AUTO Automatic dure signal) AUW All up weight CGL Circling guidance light(s) AUX Auxiliary CH Channel AVBL Available or availability CHEM Chemical AVG Average CHG Modification (message type designator) AVGAS Aviation gasoline CI Cirrus AWOS Automatic Weather Observation System CIDIN Common ICAO data interchange network AWTA Advise at what time able CIV Civil AWY Airway CK Check AZM Azimuth CL Centre line CLA Clear type of ice formation CLBR Calibration B CLD Cloud CLG Calling BBlue CLIMB-OUT Climb-out area BA Braking action CLR Clear(s) or cleared to . . . or clearance BARO-VNAV Barometric vertical navigation CLRD Runway(s) cleared BASE Cloud base CLSD Close or closed or closing BCFG Fog patches CM Centimetre BCN Beacon (aeronautical ground light) CMB Climb to or climbing to BCST Broadcast CMPL Completion or completed or complete BDRY Boundary CNL Cancel or cancelled BECMG Becoming CNL Flight plan cancellation (message type designator) BFR Before CNS Communications, navigation and surveillance BKN Broken COM Communications BL Blowing (followed by DU = dust, SA = sand or SN = *COMOPSAIR Commando Air Operations snow) CONC Concrete BLDG Building COND Condition BLO Below clouds CONS Continuous BLW Below . . . CONST Construction or constructed BOMB Bombing CONT Continue(s) or continued BR Mist COOR Coordinate or coordination BRF Short (used to indicate the type of approach desired COORD Coordinates or required) COP Change-over point BRG Bearing COR Correct or correction or corrected (used to indicate BRKG Braking corrected meteorological message; message type BS Commercial broadcasting station designator) BTL Between layers COT At the coast BTN Between COV Cover or covered or covering BUFR Binary universal form for the representation of mete- CPDLC Controller-pilot data link communications orological data CPL Current flight plan (message type designator) CRC Cyclic redundancy check

AMDT 008/2021 © AIM BELGIUM 17-JUN-2021

AIP Belgium and Luxembourg GEN 2.2-3 17-JUN-2021

*CRC Control and reporting centre = snow) CRM Collision risk model DRG During *CRNA Centre en Route de la Navigation Aérienne DS Duststorm CRP Compulsory reporting point DSB Double sideband CRZ Cruise DTAM Descend to and maintain CS Call sign DTG Date-time group CS Cirrostratus DTHR Displaced runway threshold *CSAR Combat search and rescue DTRT Deteriorate or deteriorating CTA Control area DTW Dual tandem wheels CTAM Climb to and maintain DU Dust CTC Contact DUC Dense upper cloud CTL Control DUPE This is a duplicate message (signal for use in the tele- CTN Caution typewriter service only; to be used in AFS as a proce- *CTOT Calculated take-off time dure signal) CTR Control zone DUR Duration CU Cumulus D-VOLMET Data link VOLMET CUF Cumuliform DVOR Doppler VOR CUST Customs DW Dual wheels CVR Cockpit voice recorder DZ Drizzle CW Continuous wave CWY Clearway E D E East or eastern longitude *eAIP Electronic aeronautical information publication D Downward (tendency in RVR during previous 10 min- EAT Expected approach time utes) *EAUP European airspace use plan D Danger area (followed by identification) *EAW Early access weekend routes DA Decision altitude EB Eastbound *DAT Significant data related to data link capability *ECAC European Civil Aviation Conference D-ATIS Data link automatic terminal information service EDA Elevation differential area *dB Decibel EDTO Extended diversion time operations DCD Double channel duplex EEE Error (signal for use in the teletypewriter service only; DCKG Docking to be used in AFS as a procedure signal) *DCL Data link clearance delivery service EET Estimated elapsed time DCP Datum crossing point EFC Expect further clearance DCPC Direct controller-pilot communications EFIS Electronic flight instrument system DCS Double channel simplex EGNOS European geostationary navigation overlay service DCT Direct (in relation to flight plan clearances and type of EHF Extremely high frequency (30000 to 300000 MHZ) approach) EHS Enhanced surveillance DE From (used to precede the call sign of the calling sta- ELBA Emergency location beacon - aircraft tion; to be used in AFS as a procedure signal) ELEV Elevation DEC December ELR Extra long range DEG Degrees ELS Elementary surveillance DEP Depart or departure ELT Emergency locator transmitter DEP Departure (message type designator) EM Emission DEPO Deposition EMBD Embedded in a layer (to indicate cumulonimbus em- DER Departure end of the runway bedded in layers of other clouds) DES Descend to or descending to EMERG Emergency DEST Destination *En English DETRESFA Distress phase END Stop-end (related to RVR) DEV Deviation or deviating ENE East-north-east DF Direction finding ENG Engine DFDR Digital flight data recorder ENR En-route *D-FIS Data link flight information service ENRC En-route chart (followed by name/title) DFTI Distance from touchdown indicator EOBT Estimated off block time *DGS Docking guidance system EQPT Equipment DH Decision height *ESA Emergency safety altitude DIF Diffuse ESE East-south-east DIST Distance EST Estimate or estimated or estimate (message type DIV Divert or diverting designator) DLA Delay or delayed *EST Estimated (preceded by time-group) DLA Delay (message type designator) ETA Estimated time of arrival or estimating arrival DLIC Data link initiation capability ETD Estimated time of departure or estimating departure DLY Daily ETO Estimated time over significant point DME Distance measuring equipment *ETOT Estimated take-off time DNG Danger or dangerous EUR RODEX European regional OPMET data exchange *DOC Designated operational coverage *EUROAT Eurocontrol harmonised rules for operational air traf- DOF Date of flight fic DOM Domestic *EUUP European updated airspace use plan DP Dew point temperature EV Every *DPM Motorized deltaplane EVS Enhanced vision system DPT Depth EXC Except DR Dead reckoning *excl Excluded DR Low drifting (followed by DU = dust, SA = sand or SN EXER Exercises or exercising or to exercise

GEN 2.2-4 AIP Belgium and Luxembourg 17-JUN-2021

*EXP Expect or expected or expecting FZ Freezing EXTD Extend or extending or extended FZDZ Freezing drizzle FZFG Freezing fog FZRA Freezing rain F FFixed G FA Course from a fix to an altitude *FAC Facilities *G Gram FAF Final approach fix GGreen FAL Facilitation of international air transport G Variations from the mean wind speed (gusts) (used in *FANS Future air navigation system METAR/SPECI and TAF) FAP Final approach point G/A Ground-to-air FAS Final approach segment GA Go ahead, resume sending (to be used in AFS as a *FASID Facilities and Services Implementation Document procedure signal) FATO Final approach and take-off area GA General Aviation FAX Facsimile transmission G/A/G Ground-to-air and air-to-ground FBL Light (used to indicate the intensity of weather phe- GAGAN GPS and geostationary earth orbit augmented navi- nomena, interference or static reports, e.g. FBL RA = gation light rain) GAIN Airspeed or headwind gain *FBZ Flight planning buffer zone GAMET Area forecast for low-level flights FC Funnel cloud (tornado or water spout) GARP GBAS azimuth reference point FCST Forecast *GAT General air traffic FCT Friction coefficient GBAS Ground-based augmentation system FDPS Flight data processing system GCA Ground controlled approach system or ground con- FEB February trolled approach FEW Few *Ge German FG Fog GEN General FIC Flight information centre GEO Geographic or true FIR Flight information region GES Ground earth station FIS Flight information service GLD Glider FISA Automated flight information service GLONASS Global orbiting navigation satellite system FL Flight level GLS GBAS landing system FLD Field GMC Ground movement chart (followed by name/title) FLG Flashing GND Ground *FLIP Flight information publication GNDCK Ground check FLR Flares GNSS Global navigation satellite system FLT Flight GOV Government FLTCK Flight check GP Glide path FLUC Fluctuating or fluctuation or fluctuated GPA Glide path angle FLW Follow(s) or following GPIP Glide path intercept point FLY Fly or flying GPS Global positioning system FM Course from a fix to manual termination (used in nav- GPU Ground power unit igation database coding) GPWS Ground proximity warning system FM From GR Hail FM From (followed by time weather change is forecast to GRAS Ground-based regional augmentation system begin) GRASS Grass landing area FMC Flight management computer GRIB Processed meteorological data in the form of grid *FMP Flow management position point values expressed in binary form (aeronautical FMS Flight management system meteorological code) FMU Flow management unit GRVL Gravel FNA Final approach GS Ground speed *FOD Foreign object damage GS Small hail and/or snow pellets FPAP Flight path alignment point *GSM Global System for Mobile Communications FPL Flight plan GUND Geoid undulation FPM Feet per minute FPR Flight plan route *FPS Federal Public Service H FR Fuel remaining *Fr French H High pressure area or the centre of high pressure *FRA Free route airspace H... Significant wave height (followed by figures in ME- FREQ Frequency TAR/SPECI) FRI Friday H24 Continuous day and night service FRNG Firing HA Holding/racetrack to an altitude FRONT Front (relating to weather) *HAA Height above aerodrome elevation FROST Frost (used in aerodrome warnings) HAPI Helicopter approach path indicator FRQ Frequent *HAT Height above touch-down FSL Full stop landing HBN Hazard beacon FSS Flight service station HCH Helicopter crossing height FST First HDF High frequency direction-finding station FT Feet (dimensional unit) HDG Heading FTE Flight technical error HEL Helicopter FTP Fictitious threshold point *HEMS Helicopter emergency medical service FTT Flight technical tolerance HF High frequency (3000 to 30000 KHZ) FU Smoke HF Holding/racetrack to a fix

AMDT 006/2021 © AIM BELGIUM 20-MAY-2021

AIP Belgium and Luxembourg GEN 2.2-5 20-MAY-2021

*HFDL High frequency data link INT Intersection HGT Height or height above INTL International HJ Sunrise to sunset INTRG Interrogator HLDG Holding INTRP Interrupt or interruption or interrupted HLP Heliport INTSF Intensify or intensifying HLS Helicopter landing site INTST Intensity HM Holding/racetrack to a manual termination IR Ice on runway HN Sunset to sunrise *IRM Institut Royal Météorologique de Belgique HO Service available to meet operational requirements IRS Inertial reference system HOL Holiday *IRU Inertial reference unit HOSP Hospital aircraft ISA International standard atmosphere HPA Hectopascal ISB Independent sideband *HPMA High performance military aircraft ISOL Isolated HR Hours HRP Heliport reference point HS Service available during hours of scheduled opera- J tions *HT High tension *JAA Joint Aviation Authorities *HTA Helicopter training area JAN January HUD Head-up display JTST Jet stream HUM Humanitarian JUL July HURCN Hurricane JUN June HVDF High and very high frequency direction-finding stations (at the same location) HVY Heavy K HVY Heavy (used to indicate the intensity of weather phenomena, e.g. HVY RA = heavy rain) KG Kilograms HX No specific working hours KHZ Kilohertz HYR Higher KIAS Knots indicated airspeed HZ Haze KM Kilometres HZ Hertz (cycles per second) KMH Kilometres per hour *KMI Koninklijk Meteorologisch Instituut KPA Kilopascal I KT Knots *kVA Kilovolt-ampere IAC Instrument approach chart (followed by name/title) KW Kilowatts IAF Initial approach fix IAO In and out of clouds IAP Instrument approach procedure L IAR Intersection of air routes IAS Indicated airspeed L Left (runway identification) *IATA International Air Transport Association L Locator (see LM, LO) IBN Identification beacon L Low pressure area or the centre of low pressure ICAO International Civil Aviation Organization LLitre ICE Icing LAM Logical acknowledgement (message type designa- *ICF Initial contact frequency tor) ID Identifier or identify LAN Inland IDENT Identification LAT Latitude IF Intermediate approach fix *LB Pounds IFF Identification friend/foe LCA Local or locally or location or located *IFPS Integrated Initial Flight Plan Processing System *LCN Load classification number *IFPU Integrated Initial Flight Plan Processing Unit *LCTA Lower control area IFR Instrument flight rules LDA Landing distance available IGA International general aviation LDAH Landing distance available, helicopter ILS Instrument landing system LDG Landing IM Inner marker LDI Landing direction indicator IMC Instrument meteorological conditions LEN Length IMG Immigration LF Low frequency (30 to 300 KHZ) IMI Interrogation sign (question mark) (to be used in AFS *LFA Low flying area as a procedure signal) LGT Light or lighting IMPR Improve or improving LGTD Lighted IMT Immediate or immediately LIH Light intensity high INA Initial approach LIL Light intensity low INBD Inbound LIM Light intensity medium INC In cloud LINE Line (used in SIGMET) INCORP Incorporated *LLFC Low level forecast chart INCERFA Uncertainty phase LM Locator, middle *incl Included LMT Local mean time INFO Information LNAV Lateral navigation INOP Inoperative LNG Long (used to indicate the type of approach desired INP If not possible or required) INPR In progress LO Locator, outer INS Inertial navigation system LOC Localizer INSTL Install or installed or installation *LOM Compass locator at OM INSTR Instrument LONG Longitude

GEN 2.2-6 AIP Belgium and Luxembourg 20-MAY-2021

LORAN Long range air navigation system *MJ Megajoule LOSS Airspeed or headwind loss MKR Marker radio beacon LPV Localizer performance with vertical guidance MLS Microwave landing system LR The last message received by me was . . .(to be used *MLW Maximum landing weight in AFS as a procedure signal) MM Middle marker LRG Long range *MM millimetre LS The last message sent by me was . . . or Last mes- MNM Minimum sage was . . .(to be used in AFS as a procedure sig- MNPS Minimum navigation performance specifications nal) MNT Monitor or monitoring or monitored *LSA Light sport aircraft MNTN Maintain *LT Left turn MOA Military operating area LTA Lower control area MOC Minimum obstacle clearance (required) LTD Limited MOCA Minimum obstacle clearance altitude LTP Landing threshold point MOD Moderate (used to indicate the intensity of weather *Lu Luxembourgish phenomena, interference or static reports, e.g. MOD LV Light and variable (relating to wind) RA = moderate rain) LVE Leave or leaving MON Above mountains LVL Level MON Monday LVP Low visibility procedures MOPS Minimum operational performance standards *LWEP Live weapons emergency procedure *MOPSC Maximum operational passenger seating configura- LYR Layer or layered tion MOV Move or moving or movement *MPH Statute miles per hour M *MPM Metres per minute MPS Metres per second M Indicator for minimum value of runway visual range MRA Minimum reception altitude (used in the METAR/SPECI code forms) MRG Medium range M Mach number (followed by figures) MRP ATS/MET reporting point M Metres (preceded by figures) MS Minus MAA Maximum authorized altitude MSA Minimum sector altitude MAG Magnetic MSAS Multi-functional transport satellite (MTSAT) satellite- MAHF Missed approach holding fix based augmentation system MAINT Maintenance MSAW Minimum safe altitude warning *MAN Manual *MSC Mission Support Centre MAP Aeronautical maps and charts MSG Message MAPT Missed approach point MSL Mean sea level MAR March MSR Message . . . (transmission identification) has been MAR At sea misrouted (signal for use in the teletypewriter service *MARSA Military authority assumes responsibility for separa- only; to be used in AFS as a procedure signal) tion of aircraft MSSR Monopulse secondary surveillance radar MATF Missed approach turning fix MT Mountain MATZ Military aerodrome traffic zone MTOM Maximum take-off mass MAX Maximum *MTOW Maximum authorized take-off weight MAY May MTU Metric units MBST Microburst MTW Mountain waves MCA Minimum crossing altitude *MVA Minimum vectoring altitude MCTR Military control zone MVDF Medium and very high frequency direction-finding MCW Modulated continuous wave stations (at the same location) MDA Minimum descent altitude MWO Meteorological watch office MDF Medium frequency direction-finding station MX Mixed type of ice formation (white and clear) MDH Minimum descent height MEA Minimum en-route altitude MEDEVAC Medical evacuation flight N MEHT Minimum eye height over threshold (for visual approach slope indicator systems) *N Newton MET Meteorological or meteorology N No distinct tendency (in RVR during previous 10 min- METAR Aviation routine weather report (in aeronautical mete- utes) orological code) N North or northern latitude MET REPORT Local routine meteorological report (in abbreviated NADP Noise abatement departure procedure plain language) NASC National AIS system centre MF Medium frequency (300 to 3000 KHZ) NAT North Atlantic MHA Minimum holding altitude *NATO North Atlantic Treaty Organisation MHDF Medium and high frequency direction-finding stations NAV Navigation (at the same location) NAVAID Navigation aid MHVDF Medium, high and very high frequency direction-find- NB Northbound ing stations (at the same location) NBFR Not before MHZ Megahertz NC No change MID Mid-point (related to RVR) NCD No cloud detected (used in automated METAR/SPE- MIFG Shallow fog CI) MIL Military NDB Non-directional radio beacon *MILFAG Military Low Flying Area Golf NDV No directional variations available (used in automat- MIN Minutes ed METAR/SPECI) *MIPS Military instrument procedure standardization NE North-east MIS Missing . . . (transmission identification; to be used in NEB North-eastbound AFS as a procedure signal) NEG No or negative or permission not granted or that is not

AIRAC AMDT 005/2021 © AIM BELGIUM 12-AUG-2021

AIP Belgium and Luxembourg GEN 2.2-7 12-AUG-2021

correct *ORP Operational readiness platform NGT Night *ORRP On request reporting point NIL None or I have nothing to send to you OSV Ocean station vessel *Nl Dutch OTP On top NM Nautical miles OTS Organized track system NML Normal OUBD Outbound NN No name, unnamed OVC Overcast NNE North-north-east *OVH Overhead NNW North-north-west NO No (negative; to be used in AFS as a procedure signal) P NOF International NOTAM office NONSTD Non-standard P Indicator for maximum value of wind speed or runway NOSIG No significant change (used in trend-type landing visual range (used in the METAR/SPECI and TAF forecasts) code forms) NOTAM A notice distributed by means of telecommunication P Prohibited area (followed by identification) containing information concerning the establishment, PA Precision approach condition or change in any aeronautical facility, ser- PALS Precision approach lighting system (specify catego- vice, procedure or hazard, the timely knowledge of ry) which is essential to personnel concerned with flight PANS Procedures for air navigation services operations PAPI Precision approach path indicator NOTAMC Cancelling NOTAM PAR Precision approach radar NOTAMN New NOTAM PARL Parallel NOTAMR Replacing NOTAM PATC Precision approach terrain chart (followed by name/ NOV November title) NOZ Normal operation zone PAX Passenger(s) NPA Non precision approach PBC Performance-based communication NR Number PBN Performance-based navigation NRH No reply heard PBS Performance-based surveillance NS Nimbostratus PCD Proceed or proceeding NSC Nil significant cloud PCL Pilot-controlled lighting NSE Navigation system error PCN Pavement classification number NSW Nil significant weather PCT Per cent NTL National PDC Pre-departure clearance NTZ No transgression zone PDG Procedure design gradient *NVA Night Vision Aid PER Performance *NVG Night Vision Goggles PERM Permanent NW North-west PFO Permanent flying order NWB North-westbound PIB Pre-flight information bulletin NXT Next PJE Parachute jumping exercise PL Ice pellets *PL Plain language O PLA Practice low approach PLVL Present level OAC Oceanic area control centre PN Prior notice required OAS Obstacle assessment surface PNR Point of no return *OAT Operational air traffic PO Dust/sand whirls (dust devils) OBS Observe or observed or observation POB Persons on board OBSC Obscure or obscured or obscuring *POC Point of contact OBST Obstacle POSS Possible OCA Oceanic control area PPI Plan position indicator OCA Obstacle clearance altitude PPR Prior permission required OCC Occulting (light) PPSN Present position OCH Obstacle clearance height PRFG Aerodrome partially covered by fog OCNL Occasional or occasionally PRI Primary OCS Obstacle clearance surface PRKG Parking OCT October *PRM Persons with reduced mobility OFZ Obstacle free zone PROB Probability OGN Originate (to be used in AFS as a procedure signal) PROC Procedure OHD Overhead PROP Propeller OIS Obstacle identification surface PROV Provisional OK We agree / it is correct (to be used in AFS as a pro- PRP Point-in-space reference point cedure signal) PS Plus OLDI On-line data interchange PSG Passing OM Outer marker *PSI Pounds per square inch OPA Opaque, white type of ice formation PSN Position OPC Control indicated is operational control PSP Pierced steel plank OPMET Operational meteorological (information) PSR Primary surveillance radar OPN Open or opening or opened PSYS Pressure system(s) OPR Operator or operate or operative or operating or op- PTN Procedure turn erational PTS Polar track structure OPS Operations PWR Power O/R On request *ORCAM Originating region code assignment method ORD Order

GEN 2.2-8 AIP Belgium and Luxembourg 12-AUG-2021

RLCE Request level change en route Q RLLS Runway lead-in lighting system RLNA Request level not available *QC Quota count *RMIB Royal meteorological institute of Belgium QDM Magnetic heading (zero wind) RMK Remark QDR Magnetic bearing *RMZ Radio mandatory zone QFE Atmospheric pressure at aerodrome elevation (or at RNAV Area navigation runway threshold) RNG Radio range QFU Magnetic orientation of runway RNP Required navigation performance QNH Altimeter sub-scale setting to obtain elevation when ROBEX Regional OPMET bulletin exchange (scheme) on the ground ROC Rate of climb *QRA Quick reaction alert ROD Rate of descent QTE True bearing RON Receiving only QUAD Quadrant *RPA Remotely piloted aircraft *RPAS Remotely piloted aircraft system RPDS Reference path data selector R RPI Radar position indicator RPL Repetitive flight plan R Rate of turn RPLC Replace or replaced R Runway (used in the METAR/SPECI code forms) RPS Radar position symbol RRed RPT Repeat / I repeat (to be used in AFS as a procedure R Right (runway identification) signal) R Received (acknowledgement of receipt; to be used in RQ Indication of a request (to be used in AFS as a proce- AFS as a procedure signal) dure signal) R Restricted area (followed by identification) RQMNTS Requirements R Radial from VOR (followed by three figures) RQP Request flight plan (message type designator) RA Rain RQS Request supplementary flight plan (message type RA Resolution advisory designator) RAC Rules of the air and air traffic services RR Report reaching *RAD Route availability document RRA (or RRB, RRC, etc. in sequence) Delayed meteoro- RAG Ragged logical message (message type designator) RAG Runway arresting gear RSC Rescue sub-centre RAI Runway alignment indicator RSCD Runway surface condition RAIM Receiver autonomous integrity monitoring RSP Required surveillance performance RASC Regional AIS system centre RSP Responder beacon RASS Remote altimeter setting source RSR En-route surveillance radar RB Rescue boat RSS Root sum square RCA Reach cruising altitude *RT Right turn *RCAM Runway condition assessment matrix RTD Delayed (used to indicate delayed meteorological RCC Rescue co-ordination centre message; message type designator) RCF Radiocommunication failure (message type designa- RTE Route tor) RTF Radiotelephone RCH Reach or reaching RTG Radiotelegraph RCL Runway centre line RTHL Runway threshold light(s) RCLL Runway centre line light(s) RTN Return or returned or returning RCLR Recleared RTODAH Rejected take-off distance available, helicopter RCP Required communication performance RTS Return to service *RCR Runway condition report RTT Radioteletypewriter RDH Reference datum height (for ILS) RTZL Runway touchdown zone light(s) RDL Radial RUT Standard regional route transmitting frequencies RDO Radio RV Rescue vessel RDOACT Radioactive RVA Radar vectoring area RE Recent (used to qualify weather phenomena, e.g. RVR Runway visual range RERA = recent rain) *RVSM Reduced vertical separation minimum REC Receive or receiver RWY Runway REDL Runway edge light(s) *RWYCC Runway Condition Code REF Reference to . . . or refer to . . . REG Registration *REJ Rejected S RENL Runway end light(s) REP Report or reporting or reporting point S Indicator for state of the sea (used in the METAR/ REQ Request or requested SPECI code forms) RERTE Re-route S South or southern latitude RESA Runway end safety area SA Sand *RETIL Rapid exit taxiway indicator lighting SALS Simple approach lighting system RF Constant radius arc to a fix *SAM Slot allocation message RFFS Rescue and fire fighting services SAN Sanitary *RFP Replacement flight plan (related to ATFM) SAR Search and rescue RG Range (lights) SARPS Standards and Recommended Practices (ICAO) RHC Right-hand circuit SAT Saturday RIF Reclearance in flight SATCOM Satellite communication (used only when referring RIME Rime (used in aerodrome warnings) generally to both voice and data satellite communica- *RIS Radar information service tion or only data satellite communication) RL Report leaving SATVOICE Satellite voice communication RLA Relay to SB Southbound

AMDT 008/2021 © AIM BELGIUM 12-AUG-2021

AIP Belgium and Luxembourg GEN 2.2-9 12-AUG-2021

SBAS Satellite-based augmentation system SSR Secondary surveillance radar SC Stratocumulus SST Supersonic transport SCT Scattered SSW South-south-west SD Standard deviation ST Stratus SDBY Stand by STA Straight-in approach SDF Step down fix *STANAG Standardization agreement (NATO) SE South-east STAR Standard instrument arrival SEA Sea (used in connection with sea-surface tempera- STD Standard ture and state of the sea) STF Stratiform SEB South-eastbound STN Station SEC Seconds STNR Stationary SECN Section STOL Short take-off and landing SECT Sector STS Status SELCAL Selective calling system STWL Stopway light(s) SEP September SUBJ Subject to SER Service or servicing or served SUN Sunday SEV Severe (used e.g. to qualify icing and turbulence re- SUP Supplement (AIP supplement) ports) SUPPS Regional supplementary procedures SFC Surface SVC Service (message type only) SFO Simulated flame out SVCBL Serviceable SG Snow grains SW South-west SGL Signal SWB South-westbound SH Showers (followed by RA = rain, SN = snow, PL = ice *SWC-LL Significant weather chart - low level pellets, GR = hail, GS = small hail and/or snow pellets SWY Stopway or combinations thereof, e.g. SHRASN = showers of *SYNOP Synopsis rain and snow) SHF Super high frequency (3000 to 30000 MHZ) SI International system of units T SID Standard instrument departure SIF Selective identification feature T Temperature SIG Significant T True (preceded by a bearing to indicate reference to SIGMET Information concerning en-route weather and other True North) phenomena in the atmosphere that may affect the *T Metric tons safety of aircraft operations TA Traffic advisory *SIGWX Significant weather TA Transition altitude SIMUL Simultaneous or simultaneously TAA Terminal arrival altitude *SITA Sociéte Internationale des Télécommunications TACAN UHF tactical air navigation aid Aéronautique TAF Aerodrome forecast SIWL Single isolated wheel load TA/H Turn at an altitude/height SKED Schedule or scheduled TAIL Tail wind SLP Speed limiting point TAR Terminal area surveillance radar SLW Slow TAS True airspeed SMC Surface movement control TAX Taxiing or taxi SMR Surface movement radar TC Tropical cyclone SN Snow TCAC Tropical cyclone advisory centre SNOCLO Indicator for the aerodrome being closed due to snow TCAS RA Traffic alert and collision avoidance system resolu- on the runway tion advisory SNOWTAM A special series NOTAM notifying the presence or re- TCH Threshold crossing height moval of hazardous conditions due to snow, ice, *TCN Terminal change notice slush or standing water associated with snow, slush TCU Towering cumulus and ice on the movement area, by means of a specif- TDO Tornado ic format TDZ Touchdown zone SOC Start of climb TECR Technical reason *SOF Supervisor of flights TEL Telephone SPECI Aviation selected special weather report (in aeronau- TEMPO Temporary or temporarily tical meteorological code) TF Track to fix SPECIAL Special meteorological report (in abbreviated plain TFC Traffic language) TGL Touch-and-go landing SPI Special position indicator *TGL Temporary Guidance Leaflet SPL Supplementary flight plan (message type designator) TGS Taxiing guidance system SPOC SAR point of contact THR Threshold SPOT Spot wind THRU Through SQ Squall THU Thursday SQL Squall line TIBA Traffic information broadcast by aircraft SR Sunrise TIL Until SRA Surveillance radar approach TIP Until past . . . (place) SRE Surveillance radar element of precision approach ra- TKOF Take-off dar system TL Till (followed by time by which weather change is SRG Short range forecast to end) SRR Search and rescue region TLOF Touchdown and lift-off area SRY Secondary TMA Terminal control area SS Sandstorm *TMZ Transponder mandatory zone SS Sunset TN Indicator for minimum temperature (used in the TAF SSB Single sideband code form) SSE South-south-east TNA Turn altitude

GEN 2.2-10 AIP Belgium and Luxembourg 12-AUG-2021

*TNC Terminal navigation charge *UWT Upper winds and temperature TNH Turn height TO To . . . (place) *TOBT Target off block time V TOC Top of climb TODA Take-off distance available V Indicator for variations from the mean wind direction TODAH Take-off distance available, helicopter (used in the METAR/SPECI code forms) TOP Cloud top VA Heading to an altitude TORA Take-off run available VA Volcanic ash TOX Toxic VAAC Volcanic ash advisory centre TP Turning point VAC Visual approach chart (followed by name/title) TR Track VAL In valleys TRA Temporary reserved airspace VAN Runway control van TRANS Transmits or transmitter VAR Magnetic variation TREND Trend forecast VAR Visual-aural radio range TRG Training VASIS Visual approach slope indicator system TRL Transition level *VAT Value-added tax TROP Tropopause VC Vicinity of the aerodrome (followed by FG = fog, FC = TS Thunderstorm (in aerodrome reports and forecasts, funnel clouds, SH = showers, PO = dust/sand whirls, TS used alone means thunder heard but no precipi- BLDU = blowing dust, BLSA = blowing sand or BLSN tation at the aerodrome) = blowing snow, e.g. VC FG = vicinity fog) TS Thunderstorm (followed by RA = rain, SN = snow, PL VCY Vicinity = ice pellets, GR = hail, GS = small hail and/or snow VDF Very high frequency direction-finding station pellets or combinations thereof, e.g. TSRASN = thun- *VDL Very high frequency data link derstorm with rain and snow) *VDP Visual descent point *TSA Temporary segregated area VER Vertical *TSAT Target start-up approval time VFR Visual flight rules TSUNAMI Tsunami (used in aerodrome warnings) VHF Very high frequency (30 to 300 MHZ) TT Teletypewriter VI Heading to an intercept *TTOT Target take-off time VIP Very important person TUE Tuesday VIS Visibility TURB Turbulence *VLA Very light aircraft T-VASIS T visual approach slope indicator system VLF Very low frequency (3 to 30 KHZ) TVOR Terminal VOR *VLOS Visual line of sight TWR Aerodrome control tower or aerodrome control VLR Very long range TWY Taxiway VM Heading to a manual termination TX... Maximum temperature (followed by figures in TAF) VMC Visual meteorological conditions TXL Taxilane VNAV Vertical navigation TXT Text [when the abbreviation is used to request a rep- VOL Volume (followed by I, II...) etition, the question mark (IMI) precedes the abbrevi- VOLMET Meteorological information for aircraft in flight ation, e.g. IMI TXT] (to be used in AFS as a VOR VHF omnidirectional radio range procedure signal) VORTAC VOR and TACAN combination TYP Type of aircraft VOT VOR airborne equipment test facility TYPH Typhoon VPA Vertical path angle VPT Visual manoeuvre with prescribed track VRB Variable U VSA By visual reference to the ground VSP Vertical speed U Upward (tendency in RVR during previous 10 min- *VSS Visual segment surface utes) VTF Vector to final UA Unmanned aircraft VTOL Vertical take-off and landing UAB Until advised by . . . VV Vertical visibility (used in the METAR/SPECI and UAC Upper area control centre TAF code forms) UAR Upper air route UAS Unmanned aircraft system *UAT Universal access receiver W UDF Ultra high frequency direction-finding station UFN Until further notice W Indicator for sea-surface temperature (ued in the ME- UHDT Unable higher due traffic TAR/SPECI code forms) UHF Ultra high frequency (300 to 3000 MHZ) W West or western longitude UIC Upper information centre WWhite UIR Upper flight information region WAAS Wide area augmentation system ULM Ultra light motorized aircraft WAC World Aeronautical Chart - ICAO 1:1 000 000 (fol- ULR Ultra long range lowed by name/title) UNA Unable WAFC World area forecast centre UNAP Unable to approve WB Westbound UNL Unlimited WBAR Wing bar lights UNREL Unreliable WDI Wind direction indicator UP Unidentified precipitation (used in automated ME- WDSPR Widespread TAR/SPECI) WED Wednesday *UPS Uninterrupted power supply WEF With effect from or effective from U/S Unserviceable WGS-84 World Geodetic System - 1984 *USAF United States Air Force WI Within UTA Upper control area WID Width or wide UTC Coordinated Universal Time WIE With immediate effect or effective immediately

AIP Belgium and Luxembourg GEN 2.2-11 22-APR-2021

WILCO Will comply WIND Wind WIP Work in progress WKN Weaken or weakening WNW West-north-west WO Without *WPR Way-point reporting WPT Way-point WRNG Warning WS Wind shear WSPD Wind speed WSW West-south-west WT Weight *WTC Wake turbulence category WTSPT Waterspout WWW Worldwide web WX Weather WXR Weather radar

X XCross XBAR Crossbar (of approach lighting system) XNG Crossing XS Atmospherics

Y YYellow YCZ Yellow caution zone (runway lighting) YES Yes (affirmative; to be used in AFS as a procedure signal) YR Your

Z Z Coordinated Universal Time (in meteorological mes- sages)

GEN 2.2-12 AIP Belgium and Luxembourg 22-APR-2021

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