Appendices

Airports Systems Plan Mid-America Regional Council Page 1 Glossary

Abbreviations

AAF Army Air Field GAAA General Aviation Analysis AGL Above Ground Level Area ADAP Development Aid GCA Ground Control Approach Program GNP Gross National Product AFB Air Force Base GT General Transport Airport AIM Airman's Information GU General Utility Airport Manual HD Heliport Designation ALSF Approach Light System HIRL High Intensity Runway with Flashers Lights ARTCC Air Route Traffic Control IFR Instrument Flight Rules Center* ILS Instrument Landing ARTS Automated Terminal System System* IOC Indirect Operating Costs ASR Airport Surveillance Radar IPC Intermittent Positive ATA Air Transportation Control* Association LBC Localizer Back Course ATC Air Traffic Control Approach ATSAP Air Transportation System LDA Localizer Type Directional Advance Plan Aid BT Basic Transport Airport MALS Medium Intensity BTD Bright Tube Display Approach Light BU Basic Utility Airport MEA Minimum Enroute Altitude* CAB Civil Aeronautics Board MIRL Medium Intensity Runway CBD Central Business District Lights CGAS Coast Guard Air Station MLS Microwave Landing CNR Composite Noise Rating System* CTOL Conventional Takeoff and MSL Mean Sea Level Landing NASAO National Association of DME Distance Measuring State Aviation Officers Equipment* NASP National Airport System DOC Direct Operating Costs Plan DOD U.S. Department of NDB Nondirectional Homing Defense Beacon DOT U.S. Department of NED Noise Exposure Forecast Transportation O&D Origin and Destination EPA Environmental Protection OPP&FM Office of Program Planning Agency and Fiscal Management FAA Federal Aviation PANCAP Practical Annual Capacity* Administration PAR Precision Approach Radar FAR Federal Aviation PHOCAP Practical Hourly Capacity* Regulation PCA Positively Controlled FSS Flight Service Station* Airspace* F&E Facilities and Equipment RBS Radar Beacon System FY Fiscal Year

Airports Systems Plan Mid-America Regional Council Page 2 REIL Runway End Identifier Lights RNAV Reduced Takeoff and Landing RTOL Reduced Takeoff and Landing SMSA Standard Metropolitan Statistical Area STOL Short Take Off & Landing TACAN Tactical Air Navigation (military)* TCA Terminal Control Area TRACON Terminal Area Radar Approach Control TVOR Terminal Very High Frequency Omnidirectional Range VASI Visual Approach Slope Indicator* VOR Very High Frequency Omnidirectional Range VFR Visual Flight Rules VORTAC Very High Frequency Omnidirectional Range and Co-Located Military Tactical Air Navigation and Distance Measuring Equipment

* Defined in Definitions

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Definitions Category III ILS ceiling of zero and zero visibility. Air Route Traffic Control Center Certificated Air Carrier Airline (ARTCC) A U.S. company providing A facility established to scheduled passenger and/or provide air traffic control service cargo air service and holding a to aircraft operating on an IFR certificate of convenience and flight plan within controlled necessity from the Civil airspace and principally during Aeronautics Board (Definition the enroute phase of flight. also includes those foreign air Approved carriers authorized by agreement Instrument approaches to operate at points within the meeting the design U.S.) requirements, equipment Certificated Air Carrier Airport specifications, and accuracies, An airport at which certificated as determined by periodic FAA air carriers operate on a scheduled flight checks, are approved for basis. general use and publications by Distance Measuring Equipment (DME) FAA. A navigation ground station Area Navigation (Rnav) capable of receiving interrogations A method of navigation that from aircraft and transmitting signals permits aircraft operations on allowing distance computations to be any desired course within the made. This station is usually sited coverage of station referenced with a VOR and at times with an ILS. navigation s signals or within the Enroute Navigation Facility limits of self-contained system Any electronic aid, light or capability. painted marker designed to assist 'm Automated Radar Terminal System fixing the position of an aircraft, (ARTS) particularly on the way from flight A digital processing and origination to the destination point. display system designed for the Flight Service Station (FSS) control of terminal area traffic A facility operated by the FAA to under radar surveillance. provide flight assistance service. Aviation Facilities General Aviation Airports, heliports and All aviation activity in the U.S. seaplane bases provided to which is neither military nor support air carriers, general conducted on the scheduled service aviation, and military aviation of the certificated air carrier aircraft. operations. In some instances, General Aviation Facility the term may include navigation, Airports, heliports, and approach, and traffic control seaplane bases to support the facilities. operations of general aviation Category I airlines. ILS ceiling minimum of 200

feet and one-half mile visibility.

Category II

ILS ceiling minimum of 50 to

100 feet and 1/4 mile visibility.

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Instrument Approach Microwave Landing System The act of making an (MLS) approach to an airport solely by An advanced form of reference to instruments. To be precision approach equipment counted in FAA statistics as an with improved accuracy and instrument approach, the aircraft fewer siting problems than must descend through the ILS. MLS also has the useful clouds at some interval from the potential to permit curved path initial approach fix to the airport. approaches to the runway Instrument Approach Facility instead of the straight path Any of the electronic aids limitations of ILS and PAR. designed to provide guidance Minimum Enroute Altitude while making an instrument (MEA) approach. The altitude in effect Instrument Landing System between radio fixes which (see Precision Approach assures acceptable Systems) navigational signal coverage Instrument Operation and meets obstruction A takeoff or landing of an clearance requirements aircraft while on an instrument between those fixes. flight clearance. Navigation Aid Intermittent Positive Control (IPC) Any device guiding or An intermittent form of controlling flight in the air or ground-based air traffic control the landing or takeoff of which will provide advisory and aircraft. separation services to VFR Navigation Ground Station aircraft. A ground based electronic Itinerant Operations station designed to transmit All operations at an airport and/or receive signals for air that are not local. navigation. Local Operations Nondirectional Beacon (NDB) Operations at an airport A low or medium resulting from flights frequency radio beacon which essentially within sight of the transmits nondirectional airport. signals whereby the pilot of an Localizer Back Course Approach (LBC) aircraft equipped with a loop A localizer is an electronic antenna can determine his signal from a transmitter bearing and 'home' on the located at the opposite end of station (see Nonprecision a runway from the primary Instrument Approach) approach direction. A Back Course approach would be a non-precision approach to the localizer end (secondary approach direction) of the runway.

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Nonprecision Instrument Practical Hourly Capacity (PHOCAP) Approach Theoretical number of An electronic aid designed hourly operations that can be to provide an approach path handled by an airport without for alignment of an aircraft on exceeding certain delay final approach to a runway. It criteria. PHOCAP is lacks the high accuracy calculated considering the qualities of the precision same factors as used to approach equipment and calculate PANCAP. does not provide descent Precision Instrument Approach guidance. (The VHF Omni System range [VOR] and the An electronic. aid Nondirectional Homing designed to provide an Beacon [NDB] are but two approach path for exact examples of the of equipment alignment and descent of an used.) aircraft on final approach to a Operation runway (instrument landing An aviation operation is system [ILS], precision either a takeoff or landing an approach radar [PAR], and aircraft. microwave landing system Positive Controlled Airspace (PCA) [MLS] are examples.) Any volume of airspace for Satellite Airport which the following prerequisites An air carrier airport in a for use apply: a) An ATC metropolitan area operated clearance is required prior to as a part of an air carrier entry; b) The aircraft must be airport system whose equipped with specified purpose is to relieve the minimum level of avionics or principal airport of congestion better: 1) two-way, air ground by dispersing scheduled communication 2) navigation flight operations into areas aids, 3) beacon transponder; c) from which large numbers of The pilot has a specified passengers originate. minimum rating or better and Scheduled Commuter Airline must observe the procedures A company (or individual) specified for the airspace. providing at least five round Practical Annual Capacity (PANCAP) trip flights weekly on a The theoretical number of published schedule for the annual operations that can purpose of carrying be handled by an airport passengers and/or cargo, or without exceeding certain one who has a contract with delay criteria. PANCAP is the U.S. Postal Service to calculated considering types carry mail. The aircraft is of aircraft using the airport, such service are limited in numbers and types of size to no more than 30 operations (IFR, VFR, touch- passengers or 7,500 lbs. of and-go), and runway/taxiway useful load. configurations.

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Scheduled Commuter Airline Airport Visual Approach Slope Indicator An airport at which the (VASI) only scheduled service is A system of lights at the provided by a scheduled airport which provides descent commuter airline. guidance to the pilot of an Supplemental Air Carriers aircraft approaching the Airline companies holding runway. certificates from the Civil Aeronautics Board authorizing them to perform passenger and cargo charter service supplementing the scheduled service of the certificated air carriers. Tactical Air Navigation A navigation ground station transmitting signals containing directional information in the ultra high frequency portion of the radio frequency spectrum. For military air navigation. Terminal Control Area (TCA) Positively controlled airspace with boundaries which surround a high density terminal area. Transponder An electronic device which will transmit a stored digital message only when it receives the proper interrogation from a remote transmitter. Unicom Airport advisory radio station operated by an airport affiliate, but not by the FAA. Very High Frequency (VHF) Omnidirectional Range (VOR) A navigation ground station transmitting signals containing directional information in the very high frequency portion of the radio frequency spectrum. Visual Approach Aid Any device, light, or marker used to provide visual alignment and/or decent guidance on final approach to the runway.

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