Aerospace GlossaryA-B C-D E-F G-H I-J K-L M-N O-P Q-R S-T U-V W-X-Y-Z
A: ampere(s) A: auto-tuned navaid A-BPSK: aviation binary phase shift keying A-QPSK: aeronautical quadrature phase shift keying A-SMGCS: advanced surface movement guidance and control systems A/B: autobrake A/C: aircraft A/D: analog-to-digital A/G: air/ground; air to ground A/L: airline A/L: autoland A/N: alphanumeric A/P: autopilot A/T: autothrottle A&P: airframe and power plant AAC: aeronautical administration communications AAC: airline administrative communications AAC: Army Aviation Command (Pakistan) AAIB: Air Accident Investigation Branch (U.K. equivalent of NTSB) AAF: airway facilities service AAI: Airline Avionics Institute AAIPT: Aging Aircraft Enterprise Team AAIU: air accident investigation unit AAL: above aerodome level AALC: autonomous approach landing capability AAMP: advanced architecture microprocessor AAR: Automated Aerial Refueling AATD: Aviation Applied Technology Directorate (U.S. Army) AATT: advanced air transportation technology AAS: advanced automation system (FAA) ABC: automatic brightness control AC: advisory circular AC: alternating current AC2: Dolby surround ACAA: Air Carrier Association of America ACAC: air-cooled air cooler ACAMS: aircraft condition analysis management system ACARS: aircraft communications addressing and reporting system ACAS: airborne collision avoidance system ACC: active clearance control ACC: airspace control center ACC: area control center ACD: automatic conflict detection ACDO: Air Carrier District Office ACE: actuator control electronics ACE: advanced certification equipment ACG: Assessment Compliance Group ACIPS: airfoil cowl ice protection system ACF: area control facility ACK: acknowledgment ACMF: airplane condition monitoring function ACMP: alternating current motor pump ACMS: aircraft condition monitoring system ACNSS: advanced communication/navigation/surveillance system ACP: audio control panel ACS: active control system ACS: audio control system ACT: active ACTC: airport traffic control towers ACTD: advanced concept technology demonstration ACU: aircraft communications system ACU: antenna control unit ACU: apron control unit ACU: autopilot control unit AD: airworthiness directive (FAA) ADAHRS: air data attitude heading reference system ADAS: automated weather observing system data acquisition system ADB: airport database ADC: air data computer ADC: Air Defense Command ADE: application development engineer ADF: automatic direction finding ADG: air-driven generator ADI: attitude director indicator ADIRS: air data inertial reference system ADIRU: air data inertial reference unit ADL: aeronautical data link ADLP: airborne data link protocol ADLP: aircraft data link processor (Mode S) ADM: air data module ADMS: airline data management system ADN: aircraft data network ADO: airline dispatch office ADO: airport district office ADP: air driven pump ADR: address ADR: Advanced Data Research ADR: alternative dispute resolution ADRAS: airplane data recovery and analysis system ADS: air data system ADS: automatic dependent surveillance ADS-A: automatic dependent surveillance-addressed ADS-A: automatic dependent surveillance-automation ADS-B: automatic dependent surveillance-broadcast ADS-C: ADS-contract ADS-R: ADS-rebroadcast ADSEL: address selective ADSP: automatic dependent surveillance panel ADSSG: ADS Study Group (ICAO) ADSU: automatic dependent surveillance unit ADT: air data tester AEA: Aircraft Electronics Association AECU: audio electronic control unit AED: ALGOL extended for design AEEC: formerly Airlines Electronic Engineering Committee (ARINC) AEP: ARINC engineering practices AEP: audio entertainment player AERA: automated en route air traffic control AES: aircraft earth station (Inmarsat) AESA: active electronically scanned array AESS: aircraft environment surveillance system AEW: airborne early warning AEW&C: Airborne Early Warning and Control AF: airway facilities AFC: Aeronautical Frequency Committee (AEEC) AFC: automatic frequency compensation AFC: automatic frequency control AFCAS: automatic flight control augmentation system AFCS: automatic flight control system AFD: adaptive flight display AFD: autopilot flight director AFDC: autopilot flight director computer AFDS: autopilot flight director system AFDX: avionics full-duplex switched Ethernet AFEPS: ACARS front-end processing system AFGCS: automatic flight guidance and control system AFI: authority format identifier AFIRS: autonomous flight information collection and reporting system AFIS: airborne flight information system AFIS: automated flight inspection system AFM: aircraft flight manual AFMS: automatic flight management system AFN: air traffic services facilities notification AFP: Airspace Flow Program AFRL: Air Force Research Lab AFS: additional secondary factors AFS: aeronautical fixed service (ICAO) AFS: automatic flight system AFSK: audio frequency shift keying AFSS: automated flight service stations AFTN: aeronautical fixed telecommunications network AFTRCC: Aerospace and Flight Test Radio Coordinating Council AFU: artificial feel unit AGACS: automatic A/G communication system AGAE: A/G applications engineering AGATE: Advanced General Aviation Transport Experiments (NASA) AGC: automatic gain control AGCOS: A/G communication services AGCS: air-ground communication systems AGCU: auxiliary generator control unit AGD: ADS-B guidance display AGDL: A/G data link AGIS: A/G intermediate system AGL: above ground level AGR: A/G router AGRM: air/ground router-regional manager AGS: A/G system AGSS: ACARS ground system standard (AEEC) AGTS: A/G test station AGVS: A/G voice sub-network AGW: ARTS gateway AHC: attitude heading computer AHQ: Air Headquarters (Pakistan) AHMS: aircraft health monitoring system AHRS: attitude heading reference system AI: alternative interrogator AI: application interface AI: area incursion AIA: Aerospace Industries Association AIAA: American Institute of Aeronautics and Astronautics AIC: aeronautical information circular AIDC: air traffic services interfacility data communications AIDS: aircraft/airborne integrated data system AIED: aeronautical industry engineering and development AIEM: Airlines International Electronic Meeting (AMC) AIFSS: automated international flight service stations AIL: aileron AIM: airman’s information manual AIMS: airplane information management system (Boeing 777) AIMS: airport information management system AINSC: aeronautical industry service communication AIO: analog input/output AIP: aeronautical information publication AIP: Airport Improvement Program AIP: analog input AIRAC: aeronautical information regulation and control AIRCOM: digital air/ground communications service (SITA) AIRE: Atlantic Interoperability Initiative to Reduce Emissions (FAA) AIRMET: airman’s meteorological information AIRO: analog input/reference output AIS: aeronautical information service AIS: automatic information services (Eurocontrol) AISG: Applications Interface Sub-Group (IATA) AIV: accumulator isolation valve AJPS: AFEPS journal processing system AKO: Army Knowledge Online ALC; airline link control ALC: asynchronous link control ALC: automatic level control ALMDS: airborne laser mine detection system ALPA: Air Line Pilots Association ALPS: automatic line protection service ALS: application layer structure ALT: airborne link terminal ALT: altitude/alternate ALT-HOLD: altitude hold mode ALTM: altimeter ALTN: alternate ALTRV: altitude reservation ALTS: altitude select ALU: arithmetic and logic unit AM: access module AM: amplitude modulation AMASS: airport movement area safety system AMC: advanced mezzanine card AMC: Air Mobility Command AMC: auxiliary maintenance computer AMC: Avionics Maintenance Conference AMCP: aeronautical mobile communications panel AMD: advisory map display AME: amplitude modulation equivalent AMF: Airborne, Maritime and Fixed Station AMF: Aircraft Manufacturing Factory (Pakistan) AMF-M: AMF-Maritime AMF-SA: AMF-Small Airborne AMF JTRS: Airborne and Maritime/Fixed Station Joint Tactical Radio System AMI: airline modifiable information AMLCD: active matrix liquid crystal display AMIS: aircraft management information system AMOSS: airline maintenance and operation support system AMP: audio management panel AMP: Avionics Modernization Program AMPL: amplifier AMRAAM: Advanced Medium-Range Air to Air Missile AMS: acquisition management system AMS: apron management service AMS: ARINC maintenance service AMS: avionics management service AMS(R)S: aeronautical mobile satellite (route) service AMSS: aeronautical mobile satellite service AMTOSS: aircraft maintenance task oriented support system AMTS: aeronautical message transfer service AMU: ACARS/avionics management unit AMU: audio management unit AMUX: audio multiplexer ANC: Air Navigation Commission (ICAO) ANDC: airport and navigation data compiler ANFR: Agence Nationale des Frequences (France) ANFS: aircraft network and file server ANICS: Alaskan NAS Interfacility Communication ANLP: ARINC network layer protocol ANP: actual navigation performance ANP: air navigation plan/performance ANPA: advanced notice of proposed amendment ANR: active noise reduction ANS: air navigation system ANS: ambient noise sensor ANSI: American National Standards Institute ANSIR: advanced navigation system inertial reference ANSP: air navigation service provider ANSU: avionics network server unit ANTC: advanced networking test center AO: acronymic obfuscation AOA: ACARS over AVLC AOA: angle of arrival AOA: angle of attack AOAS: advanced oceanic automation system AOC: aeronautical operational control AOC: aircraft operational control AOC: Airline Operational Control Center AOC: airline operations center AOC: airport obstruction chart AOC: airport operational communications AOCC: airline operations control center AODB: airport operational database AODC: age of data, clock (GPS) AODE: age of data, ephemeris (GPS) AOG: aircraft on ground AOHE: air/oil heat exchanger AOM: aircraft operating manual AOP: aeronautical OSI profile AOP: airline operational procedure AOP: analog output AOPA: Aircraft Owners and Pilots Association AOR: Atlantic Ocean region AOR: area of responsibility AOR-E: Atlantic Ocean region-east AOR-W: Atlantic Ocean region-west AP: airport location (ACARS/AFEPS) APA: Allied Pilots Association APA: autopilot amplifier APANPIRG: Asia/PAC Air Navigation Planning & Implementation Regional Group APAS: Active/Passive Aircraft Survivability APB: acquisition program baseline APB: auxiliary power breaker APC: aeronautical passenger communication APC: aeronautical public correspondence APC: autopilot computer APCO: Association of Public Safety Communications Officials APFA: Association of Professional Flight Attendants APFDS: autopilot flight director system APEX: application/executive software API: application programming interface APIM: ARINC Industry Activities Project Initiation/Modification APIRS: attitude and positioning inertial reference system APMS: automated performance measurement system APL: Applied Physics Laboratory APLC: airport performance laptop computers APM: approach path monitor APN: ARINC packet network APP: approach control APPR: approach APR: actual performance reserve APRL: ATN profile requirement list APU: auxiliary power unit APUC: auxiliary power unit controller APX: application/executive software AQF: avionics qualification facility AQP: avionics qualification procedure/program AQP: advanced qualification program AQS: advanced quality system ARB: arbitrary waveform generator ARC: aviation rulemaking committee (FAA) ARD: advanced requirement definition ARDEP: analysis of research & development in Eurocontrol programs ARF: airline risk factor ARM: area regional manager ARMC: area regional maintenance center ARP: air data reference panel ARTAS: ATM surveillance tracker and server ASAS: aircraft separation assurance system (AEEC) ASAS: aviation safety analysis system ASC: aircraft system controller ASC: aural synthesizer card ASCII: American standard code for information interchange ASCB: avionics standard communication bus ASCPC: air supply and cabin pressure controllers ASCS: air supply control system ASCU: anti-skid control unit ASD: aircraft situation display ASDAR: aircraft-to-satellite data relay ASDB: aircraft specific database ASDE: airport surface detection equipment ASDE-X: airport surface detection equipment, model X ASDI: Aircraft Situation Display to Industry ASDL: aeronautical satellite data link ASDR: airport surface detection radar ASE: altimetry system error ASECNA: Agency for Security of Aerial Navigation in Africa and Madagascar ASG: ARINC signal gateway ASI: airspeed indicator ASI: avionics system integration ASIAS: Aviation Safety Information Analysis and Sharing (FAA) ASIC: application specific integrated circuit ASL: above sea level ASM: airspace management ASM: autothrottle servo motor ASME: American Society of Mechanical Engineers ASOR: Allocating Safety Objectives and Requirements ASOS: automated surface observation system ASP: ACARS sub-network protocol ASP: acquisition strategy paper ASP: aeronautical fixed service systems planning (AFS) ASP: altitude set panel ASP: arrival sequencing program ASPP: application specific programmable processor ASR: airport surveillance radar ASRAAM: advanced short range air-to-air missile ASRS: aviation safety reporting system ASSTC: aerospace simulation and systems test center ASSV: alternate source selection valve ASTA: airport surface traffic automation ASTAMIDS: Airborne Standoff Minefield Detection System ASTERIX: All-Purpose Structured Eurocontrol Surveillance Information Exchange ASTF: airspace system task force ASTM: American Society for Testing and Materials ASTOR: Airborne Stand-Off Radar (U.K.) ASVI: avionics serial video interface ASV: alternate servo valve AT: air transport AT: at an altitude ATA: actual time of arrival ATA: Air Transport Association ATAS: aviation traffic and application software ATC: advanced technology center ATC: air traffic control ATCA: Air Traffic Control Association ATCBI: ATC beacon interrogator ATCC: area and terminal control center ATCRBS: ATC radar beacon system ATCSS: ATC signaling system ATCT: air traffic control tower ATIS: airport traffic information system ATIS: automated terminal information service ATIS-B: automatic terminal information service-broadcast ATDL: air transport data link ATE: automatic test equipment ATE: avionics test and evaluation ATFM: air traffic flow management ATG: advanced concept technology demonstration ATHR: autothrust system ATSRAC: Aging Transport Systems Rulemaking Advisory Committee ATI: airborne tracker illuminator ATIDS: airport surface target identification system/service ATIS: airport traffic information system ATIS: automatic terminal information service ATL: autothrottle limit ATLAS: abbreviated test language for avionics systems ATM: air traffic management ATM: asynchronous transfer mode ATMAC: Air Traffic Management Committee (RTCA) ATMAS: ATM automation system ATMB: Air Traffic Management Bureau ATM DSS: ATM decision support service ATMS: area navigation, test and management services ATN: aeronautical telecommunication network ATNE: ATN engineering ATNP: ATN panel ATO: air traffic operations ATO: Air Traffic Organization (FAA) ATOL: automatic take-off and landing ATOP: advanced technologies and oceanic procedures ATP: acceptance test procedure/plan ATPAC: Air Traffic Procedures Advisory Committee (FAA) ATR: acceptance test report ATR: air transport racking ATR: air transport radio: ARINC form-factor/standard case dimensions ATS: air traffic services ATS: air turbine starter ATS: autothrottle system ATSAW: Airborne Traffic Situational Awareness ATSC: air traffic services communication AT/SC: autothrottle/speed control ATSGF: air traffic services geographic filter ATSMP: air traffic services message processor ATSO: air traffic services organization ATSP: air traffic services provider ATSRAC: Aging Transport Systems Rulemaking Advisory Committee (FAA) ATSU: air traffic services unit ATWR: apron tower (and operator) AUSRIRE: All Union Scientific Research Institute of Radio Equipment: CIS (former Soviet) agency AUX: auxiliary AVC: aviation VHF car rental availability (messages) AVH: aviation VHF hotel availability (messages) AVLAN: avionics local area network AVLC: aviation VHF link control AVM: airborne vibration monitor AVN: avionics AVOD: audio and video channels on demand AVOL: aerodrome visibility operational level AVPAC: aviation VHF packet communications AVS: aviation VHF seat availability (messages) AWACS: airborne warning and control system AWAS: automated weather advisory station AWC: Air Weapons Complex (Pakistan) AWG: American wire gauge AWIN: advanced weather information system AWIN: aviation weather information AWIPS: advanced weather interactive processing system AWLU: aircraft wireless LAN unit AWM: auto warning mixer AWO: all weather operations AWOP: AWO panel AWOS: automated/airport weather observing system AWR: aviation weather research AZ: azimuth: angular measurement in horizontal plane B-NAV: basic area navigation BAMS: Broad Area Maritime Surveillance BBML: broadband multi-link BDA: bomb damage assessment BDMIS: business data management and invoicing system BDS: comm-B designation subfield BEA: Bureau d’Enquetes Accidents (French equivalent of NTSB) BEP: back-end processor BEPMS: BEP management system BER: bit error rate BFE: buyer furnished equipment BFO: beat frequency oscillator BFT: Blue Force Tracking BGARS: basic general aviation research simulator BGI: bus grant inhibit BGP: border gateway protocol BI: burn-in Bi-SC: Bi-Strategic Command BiG: bilingual ground station (ACARS and VDL Mode 2) BIS: boundary intermediate system BISMS: BIS management system BIST: built-in self-test BiSync: binary synchronous control BIT: built-in test Bit: a binary digit BITE: built-in test equipment BIU: bus interface unit BLK: block/black BMV: brake metering valve BNR: binary BNS: boundary notification system (squitters) BOC: binary offset carrier BOC: bottom of climb BOP/COP: bit-oriented protocol/character-oriented protocol BP: bite processor BPCU: bus power control unit BPL: broadband over powerlines BPS: bits per second BPSK: binary phase shift keying BR: bridge BRG: bearing BRI: basic rate interface BRNAV: basic area navigation BRT: brightness BSN: backbone sub-network BSC: binary synchronous communication BSCU: brake system control unit BSP: board support package BSU: beam steering unit BSU: bypass switch unit BTB: bus tie breaker BTMU: brake temperature monitor unit BU: backup BUEC: BU emergency communications BUFR: binary universal form for communication representation BWAN: BU wide area network Byte: a grouping of eight bits |
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