A
A ampere(s)
A autotuned navaid
A-BPSK aviation binary phase shift keying
A-QPSK aeronautical quadrature phase shift keying
A-SMGCS advanced surface movement guidance và control systems
A/B autobrake
A/C aircraft
A/D analog-to-digital
A/FD Airport/Facility Directory
A/G air/ground; air lớn ground
A/L airline
A/L autoland
A/N alphanumeric
A/P autopilot
A/T autothrottle
A/V aircraft/vehicle
A&P airframe and power plant
AAC aeronautical administration communications
AAC airline administrative communications
AAIB Air Accident Investigation Branch (U.K.
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Equivalent of NTSB)AAF airway facilities service
AAI Airline Avionics Institute
AAIPT Aging Aircraft Enterprise Team (Naval Air Systems Command)
AAIU air accident investigation unit
AAL above aerodome level
AALC autonomous approach landing capability
AAM Advanced Air Mobility
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
ABCS Army Battle Command System
ABSAA Airborne Sense và Avoid
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
ACI-NA Airport Council International - North America
ACIPS airfoil cowl ice protection system
ACF area control facility
ACK acknowledgment
ACM adjacent center metering
ACMF airplane condition monitoring function
ACMP alternating current motor pump
ACMS aircraft condition monitoring system
ACNSS advanced communication/navigation/ surveillance system
ACO Aircraft Certification Office (FAA)
ACP audio control panel
ACS active control system
ACS aerial common sensor
ACS audio control system
ACT active
ACTC airport traffic control towers
ACTD advanced concept công nghệ demonstration
ACU aircraft communications system
ACU antenna control unit
ACU apron control unit
ACU autopilot control unit
AD airworthiness directive (FAA)
ADA Air Defense Artillery
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
ADC analog lớn digital converter
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
ADIZ Air Defense Identification Zone
ADL aeronautical data link
ADLP airborne data links protocol
ADLP aircraft data links 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 accumulated Doppler range
ADR accumulated Delta range
ADR address
ADR Advanced Data Research
ADR alternative dispute resolution
ADRAS airplane data recovery và analysis system
ADS air data system
ADS automatic dependent surveillance
ADS-A ADS-addressed
ADS-A ADS-automation
ADS-B ADS-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
AEB Aerial Exploitation Battalion
AECU audio electronic control unit
AED automated engineering design
AEDT Aviation Environmental design Tool
AEE Office of Environment & Energy (FAA)
AEEC formerly Airlines Electronic Engineering Committee (ARINC)
AEO all engines operative
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 & Control
AF airway facilities
AFB Air Force base
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 reporting system
AFIS airborne flight information system
AFIS automated flight inspection system
AFM aircraft flight manual
AFMS airplane flight manual supplement
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 demo 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 demo station
AGVS A/G voice sub-network
AGW ARTS gateway
AHC attitude heading computer
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 và 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 aeronautical information management
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
AIR Aircraft Certification Service (FAA)
AIRAC aeronautical information regulation & control
AIRCOM digital air/ground communications service (SITA)
AIRE Atlantic Interoperability Initiative to lớn Reduce Emissions (FAA)
AIRMET airman’s meteorological information
AIRO analog input/reference output
AIS aeronautical information service
AIS Automated Identification System (U.S. Army)
AIS automatic information services (Eurocontrol)
AISG Applications Interface Sub-Group (IATA)
AIT Advanced Individual Training (U.S. Army)
AIV accumulator isolation valve
AJPS AFEPS journal processing system
AK authentication key
AKO Army Knowledge Online
AL alarm limit
ALC airline link control
ALC asynchronous links control
ALC automatic màn chơi control
ALMDS airborne tia laze mine detection system
ALPA Air Line Pilots Association
ALPS automatic line protection service
ALS application layer structure
ALSF-2 Approach Lighting System with Sequenced Flashing Light-Model 2
ALT-HOLD altitude hold mode
ALT airborne liên kết terminal
ALT altitude/alternate
AltBOC alternate binary offset carrier
ALTM altimeter
ALTN alternate
ALTRV altitude reservation
ALTS altitude select
ALU arithmetic and xúc tích unit
AM access module
AM amplitude modulation
AMASS airport movement area safety system
AMC acceptable means of compliance (EASA)
AMC advanced mezzanine card
AMC Air Mobility Command
AMC auxiliary maintenance computer
AMC Avionics Maintenance Conference
AMCP aeronautical sản phẩm điện thoại communications panel
AMD advisory bản đồ display
AME amplitude modulation equivalent
AMF Airborne, Maritime & Fixed Station
AMF-M AMF-Maritime
AMF-SA AMF-Small Airborne
AMF JTRS Airborne và Maritime/Fixed Station Joint Tactical Radio System
AMI airline modifiable information
AML approved model list
AMLCD active matrix liquid crystal display
AMIS aircraft management information system
AMOSS airline maintenance & operation tư vấn system
AMP audio management panel
AMP Avionics Modernization Program
AMPL amplifier
AMRAAM Advanced Medium-Range Air to lớn Air Missile
AMS acquisition management system
AMS apron management service
AMS ARINC maintenance service
AMS avionics management service
AmSAT American satellite
AMSL above mean sea level
AMS(R)S aeronautical thiết bị di động satellite (route) service
AMSS aeronautical mobile satellite service
AMTOSS aircraft maintenance task oriented tư vấn 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
ANPE actual navigation performance effect
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 hệ thống unit
ANTC advanced networking kiểm tra center
AO acronymic obfuscation
AO Area of Operation (U.S. Army)
AOA ACARS over aviation VHF link control
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 và Implementation Regional Group
APAS Active/Passive Aircraft Survivability
APB acquisition program baseline
APB auxiliary power nguồn breaker
APC aeronautical passenger communication
APC aeronautical public correspondence
APC aircraft power nguồn conditioner
APC autopilot computer
APCO Association of Public-Safety Communications Officials - International
APFA Association of Professional Flight Attendants
APFDS autopilot flight director system
APEX application/executive software
APEX Airline Passenger Experience Association (formerly WAEA)
API application programming interface
APIM ARINC Industry Activities Project Initiation/ Modification
APIRS attitude và positioning inertial reference system
APMS automated performance measurement system
APL Applied Physics Laboratory
APLC airport performance máy tính 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 nguồn unit
APUC auxiliary nguồn unit controller
APX application/executive software
AQF avionics qualification facility
AQP avionics qualification procedure/program
AQP advanced qualification program
AQS advanced quality system
AR authorization required
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
ARFORGEN Army Force Generation
ARM area regional manager
ARMC area regional maintenance center
ARMS Airspace resource management system
ARNS aeronautical radio navigation services
ARP aerospace recommended practice
ARP airport reference point
ARP antenna reference point
ARTAS ATM surveillance tracker & server
ARTCC air route traffic control center
ARTP NextGen Aviation Research and Technology Park
ARTS automated radar terminal system
ASA aircraft surveillance applications
ASAS aircraft separation assurance system (AEEC)
ASAS aircraft surveillance application system
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-3 airport surface detection equipment, model 3
ASDE-X airport surface detection equipment, model X
ASDI Aircraft Situation Display lớn Industry
ASDL aeronautical satellite data link
ASDR airport surface detection radar
ASE aircraft survivability equipment (U.S. Army)
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 & 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 & Requirements
ASOS automated surface observation system
ASP ACARS sub-network protocol
ASP acquisition strategy paper
ASP aeronautical fixed service systems planning (AFS)
ASP Airspace Systems Program (NASA)
ASP altitude mix panel
ASP arrival sequencing program
ASPIRE Asia & Pacific Initiative khổng lồ Reduce Emissions
ASPP application specific programmable processor
ASR airport surveillance radar
ASRAAM advanced short range air-to-air missile
ASRS aviation safety reporting system
ASSA Airport Surface Situational Awareness
ASSTC aerospace simulation và systems kiểm tra 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 & Materials
ASTOR Airborne Stand-Off Radar (U.K.)
ASVI avionics serial đoạn phim interface
ASV alternate servo valve
AT air transport
AT at an altitude
ATA actual time of arrival
ATA Air Transport Association
ATAS aviation traffic và application software
ATC advanced công nghệ center
ATC air traffic control
ATCA Air Traffic Control Association
ATCBI ATC beacon interrogator
ATCC area và 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 thử nghiệm equipment
ATE avionics test and evaluation
ATFM air traffic flow management
ATG advanced concept technology demonstration
ATHR autothrust system
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 (China)
ATM DSS ATM decision support service
ATMS area navigation, test & 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 và oceanic procedures
ATP acceptance demo procedure/plan
ATPAC Air Traffic Procedures Advisory Committee (FAA)
ATR acceptance demo 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
ATS air traffic service
ATSAP Air Traffic Safety action Program (FAA)
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 (U.S.)
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 khách sạn availability (messages)
AVIM Aviation Intermediate level Maintenance (U.S. Army)
AVL automated vehicle locations
AVLAN avionics local area network
AVLC aviation VHF liên kết control
AVM airborne vibration monitor
AVS aviation VHF seat availability
AVOD audio and đoạn phim channels on demand
AVOL aerodrome visibility operational level
AVPAC aviation VHF packet communications
AVS aviation VHF seat availability (messages)
AVUM Aviation Unit-Level Maintenance (U.S. Army)
AWACS airborne warning và control system
AWAS automated weather advisory station
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
B-NAV basic area navigation
BAMS Broad Area Maritime Surveillance
BBML broadband multi-link
BCD binary code decimal
BCT Brigade Combat Team (U.S. Army)
BCTM Brigade Combat Team Modernization (U.S. Army)
BDA battle damage assessment
BDA bomb damage assessment
BDMIS business data management và invoicing system
BDRVT Bi-Diretional Remote đoạn clip Terminal
BDS comm-B designation subfield
BEA Bureau d’Enquetes Accidents (French equivalent of NTSB)
BEBS best-equipped/best-served
BEP back-end processor
BEPMS BEP management system
BER bit error rate
BFE buyer furnished equipment
BFO beat frequency oscillator
BFS broadband fiber source
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 và VDL Mode 2)
BIH Bureau l’International de l’Heure
BIS boundary intermediate system
BISMS BIS management system
BIST built-in self-test
BiSync binary synchronous control
BIT built-in test
Bit binary digit
BITE built-in test equipment
BIU bus interface unit
BLK block/black
BLI budget line item
BLOS beyond line of sight
BMV brake metering valve
BNR binary
BNR binary numerical representation
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 nguồn control unit
BPL broadband over powerlines
BPS bits per second
BPSK binary phase shift keying
BR basic regulation
BR bridge
BRG bearing
BRI basic rate interface
BRNAV basic area navigation
BRT brightness
BSG baseband signal generator
BSN backbone sub-network
BSC binary synchronous communication
BSCU brake system control unit
BSP board tư vấn 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 khung for communication representation
BW bandwidth
BWAN BU wide area network
Byte a grouping of eight bits
C
C2 command & control
C3 command, control and communication
C41 command, control, communications, computers và intelligence
C4ISR command, control, communications, computers, intelligence, surveillance & reconnaissance
C-MANPADS Counter-Man Portable Air Defense System
C/A code course acquisition code (GPS)
C/NO carrier-to-noise mật độ trùng lặp từ khóa ratio
C/R command/response
C/SOIT communications/surveillance operational implementation team
C/UT code/unit test
C&C command and control
C&W control and warning
CA conflict alert
CAA Cargo Airline Association
CAA Civil Aviation Administration
CAA Civil Aviation Authority
CAAC Civil Aviation Administration of China
CAAFI Commercial Aviation Alternative Fuels Initiative (FAA)
CAAS common avionics architecture system
CAASD Center for Advanced Aviation System Development (MITRE Corp.)
CAB Civil Aeronautics Board
CAB combat aviation brigade (U.S. Army)
CAC caution advisory computer
CACP cabin area control panel
CAD computer-aided design
CADC central air data computer
CADS centralized automatic dependent surveillance
CAE component application engineer
CAGE commercial avionics GPS engine
CAH cabin attendant handsets
CAI caution annunciator indicator
CALSEL variation of SELCAL system
CAM computer-aided manufacturing
CAN controller area network
CANbus control area network
CANSO Civil Air Navigation Services Organization
CAOC Combined Air Operations Center
CAP Civil Air Patrol (U.S.)
CAP Collaborative Arrival Planning
CAPA Coalition of Airline Pilots Associations
CAPS commercial airliner protection system
CARE cooperative actions on R&D in Eurocontrol
CARTS Common Automated Radar Terminal System
CAS CDTI assisted separation
CAS close air support
CAS collision avoidance system
CAS commercially available software
CAS computed airspeed
CASA Civil Aviation Safety Authority
CASA controller automated spacing aid
CASCADE Co-operative ATS (Air Traffic Services) through Surveillance và Communication Applications Deployed in ECAC (European Civil Aviation Conference)
CASE computer-aided software engineering
CASR Civil Aviation Safety Regulations
CASS Consolidated Automated tư vấn System
CAT categories (I, II, IIIa/b/c) approach
CAT clear air turbulence
CAT computer aided testing
CATEX categorical exclusion
CATM Collaborative Air Traffic Management
CATMT Collaborative Air Traffic Management Technologies
CAVS CDTI assisted visual separation
CBA cost/benefit analysis
CBM condition based maintenance
CBP Customs và Border Patrol (U.S.)
CBRNE chemical, biological, radiological, nuclear high yield explosives (U.S. Army)
CBT computer-based training
CC connection confirm
CCA circuit card assembly
CCB configuration control board
CCB converter circuit breaker
CCD category class diagram
CCD charged coupled device
CCD coherent change detection
CCD cursor control device
CCIR International Radio Consultative Committee
CCITT Consultative Committee International Telephone and Telegraph
CCP consolidated control panel
CCS cabin communication system
CCS common bộ vi xử lý core system
CCSD common constraint situation display
CCTV closed-circuit television
CD carrier detect
CD chrominance difference
CDA continuous descent approach
CDA coordinating thiết kế authority
CDAM centralized data acquisition module
CDAM common data acquisition module
CDG configuration database generator
CDI course deviation indicator
CDM collaborative decision-making
CDMS CDM system
CDMS control & data management system
CDP continuous data program
CDQM collaborative departure queue management
CDR critical design review
CDS central dispatch system
CDS cockpit display systems
CDS common display system
CDSS cockpit door surveillance system
CDT controlled departure time
CDTI cockpit display of traffic information
CDU control display unit
CDV compressed digital video
CEC cooperative engagement capability
CEI cabin equipment interfaces
CENTCOM U.S.
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Central CommandCENTRIXS Combined Enterprise Regional Exchange System
CEP circular error probable
CEQ Council on Environmental Quality
CF certification
CF change field
CFDIU centralized fault display interface unit
CFDS central fault display system
CFDU configurable file data unit
CFIT controlled flight into terrain
CFM cubic feet per minute
CFM configuration management
CFMU central flow management unit
CFR Code of Federal Regulations
CFS cabin tệp tin server
CG center of gravity
CHAIN Compartmented High Assurance Information Network
CHI computer/human interface
CHIS center hydraulic isolation system
CI configuration item
CI cabin interphone
CID category interaction diagram
CIDIN common ICAO data interchange network
CIDS cabin interphone distribution system
CIE Commission Internationale de I‘Eclairage
CIGS copper-indium-gallium-diselenide
CIP capital investment plan
CIP convergence & implementation program (Eurocontrol)
CIS common information services
CIS corporate information system
CLEEN Continuous Lower Energy, Emissions & Noise Program (FAA)
CLNP connectionless network protocol
CLNS connectionless network service
CLTP connectionless mode transport protocol
CM context/configuration management
CMC central maintenance computer
CMCF CMC function
CMCS CMC system
CMD command
CMF common message format
CMGT contract management
CMM capability maturity model
CMM common mode monitor
CMM component maintenance manual
CMN control motion noise
CMOS complementary metal oxide semiconductor
CMP configuration management plan
CMS cabin management system
CMU communication management unit
CND can not duplicate
CNDB customized navigation database
CNES Centre National d’Etudes Spatiales (France)
CNG 2020+ carbon neutral growth from 2020 và beyond (AIA)
CNI communications, navigation và identification
CNP communications/navigation/pulse
CNR customer notification reports
CNS communication, navigation surveillance
CNS/ATM communications, navigation, surveillance/air traffic management
CNSI communications/navigation/surveillance/ identification
CNUS cabin network server unit
COA certificate of authorization
COCOM combatant commander (U.S. Army)
CODEC coder/decoder
CofA certificate of airworthiness
COM cockpit operating manual
COMINT communications intelligence
COMINT/DF COMINT direction finding
COMM communications
COM/MET/OPS communications/meteorological/ operations
CON continuous
CONEMP concept of employment (U.S. Army)
CONOPS concept of operations
CONUS continental United States
CONUSE concept of use
COP character-oriented protocol
COP common operating picture (U.S. Army)
COTP connection-oriented transport protocol
COTR contracting officer’s technical representative
COTS commercial-off-the-shelf
CP central processor
CP conflict probe
CP control panel
CPA closest point of approach
CPA collision prediction & alerting
CPC cabin pressure controller
CPC controller-pilot communications
CPC cursor position control
CPCI computer program configuration item
CPCS cabin pressure control system
CPDLC controller-pilot data liên kết communications
CPE circular position error
CPI continuous process improvement
CPM bộ vi xử lý core processing module
CPM critical path method
CPR compact position reporting
CPS cabin pressure sensor
CPS central processing system
CPU central processing unit
CR change of request
CR connection request
CR contrast ratio
CRA conflict resolution advisory
CRAF Civil Reserve Air Fleet
CRC cyclic redundancy checking/code
CRD Concepts và Requirements Directorate (U.S. Army)
CRD current routing domain
CRADA cooperative research & development agreement
CRDA converging runway display aid
CRM crew/cockpit resource management
CRPA controlled reception pattern antenna
CRS Congressional Research Service (U.S.)
CRISD computer resources integrated support document
CRISTAL CoopeRative Validation of Surveillance Techniques và Applications (Eurocontrol)
CRM collision risk model
CRM crew resource management
CRMA code reuse multiple access
CRR cutover readiness review
CRS course
CRT cathode ray tube
CRTC combat readiness training center
CRZ cruise
CS commercial service
CS common service
CS control station
CSC cargo system controller
CSC common signaling channel
CSC computer software component
CSCI computer software configuration item
CSD Coalition Shared Databases (U.S. Army)
CSF command/status frame
CSMA carrier sense multiple access
CSMA/CD carrier sense multiple access with collision detection
CSCP cabin system control panel
CSDB commercial standard data bus
CSDS cargo smoke detector system
CSEU control systems electronics unit
CSMM crash survivable memory modules
CSMU cabin system management unit
CSP Common Sensor Payload
CSPA closely spaced parallel approach
CSPO closely spaced parallel operations
CSPR closely spaced parallel runways
CSS cabin systems subcommittee (ARINC)
CSTAC Commercial Space Transportation Advisory Committee
CSU channel service unit
CSU computer software unit
CSU configuration strapping unit
CTA control area
CTA controlled time of arrival
CTAF common traffic advisory frequency
CTAI cowl thermal anti-icing
CTAS center TRACON automation system
CTC cabin temperature controller
CTC combat training centers (U.S. Army)
CTD cabin training device
CTL control
CTMO centralized air traffic flow management organization
CTOL conventional take-off và landing
CTR center
CTR control zone
CTRD configuration chạy thử requirements document
CTRL control
CTS clear lớn send
CTS conformance chạy thử suite
CTS/TCTS combat training system/tactical combat training system
CTU cabin telecommunications unit
CU channel utilization
CU combiner unit (HUD)
CU control unit
CUG closed user group
CUTE common use terminal equipment
CV/DFDR cockpit voice và digital flight data recorder
CVR cockpit voice recorder
CVRCP cockpit voice recorder control panel
CW clockwise
CW continuous wave
CWI continuous wave interference
CWID Coalition Warrior Interoperability Demonstration
CWP central weather processor
CWP controller/ed working position
CWS control wheel steering
CY calendar year
D
D8PSK differential 8-phase-shift keying
D-ATIS digital automatic terminal information service
D-OTIS data links operational terminal service
D-TAXI data link taxi clearance delivery
D-TOC digital transfer of communications
DA descent advisor
DA design authority
DA thiết kế altitude
DA digital-to-analog
DABS discrete addressable beacon system
DAC digital-to-analog converters
DADC digital air data computer
DADS digital air data system
DAE defense acquisition executive (U.S. Army)
DA(H) thiết kế altitude (height)
DAISS digital airborne intercommunication switching system
DAP digital service access product
DAP direct kích hoạt penetration
DAP downlink aircraft parameter
DAP download of aircraft parameter
DAR data access recorder
DARC direct access radar channel
DARP dynamic aircraft route planning
DARPA Defense Advanced Research Projects Agency (U.S.)
DAS designated alteration station
DAS digital audio subcommittee
DAS distributed aperture system
DASS defensive sida sub-system
DB database
dB decibel
dBA dB adjusted
DBI downlink block identifier
dBI dB referenced khổng lồ an isotropic antenna
dBI decibels above isotopic circular
dBM dB below 1 milliwatt
DBS direct broadcast satellite
DBU database unit
DBU dial backup
dBW dB-watts or referenced lớn 1 watt
DC data communications
DC direct current
DC disconnect confirm
DCA Department of Civil Aviation (Thailand)
DCAS digital control audio system
DCD double channel duplex
DCE data communications equipment
DCGF data conversion gateway function
DCL departure clearance (European)
DCM digital coherent mute
DCMF data communication management function
DCMS data communication management system
DCN document/drawing/design change notice
DCP data communication process
DCP display control panel
DCS double channel simplex
DCU data concentration unit
DCV directional control valve
DD data delivery
DD data distribution
DDA digital differential analyzer
DDD dual disk drive
DDL digital data link
DDM difference in depth of modulation
DDP declarations of design and performance
DDR draft document review
DDR double data rate
DDRMI digital distance radio magnetic indicator
DDS direct digital synthesizer
DDT downlink data transfer
DDU data distribution unit
DER designated engineering representative
DERA Defense Research and Evaluation Agency (U.K.)
DEU display electronics unit
DF direction finding
DFA direction finding antenna
DFCS digital flight control system
DFDAF digital flight data acquisition function
DFDAMU digital flight data acquisition management unit
DFDAU digital flight data acquisition unit
DFDR digital flight data recorder
DFDU digital flight data unit
DFGC digital flight guidance computer
DFGS digital flight guidance system
DFIDU dual function interactive display unit
DFIU digital flight instrument unit
DFS Deutsche Flugsicherung GmbH (Germany)
DFS digital frequency select
DfT Department for Transport (U.K.)
DFU digital function unit
DG directional gyro
DGNSS differential global navigation satellite system
DGPS differential global positioning system
DH decision height
DHCP dynamic host configuration protocol
DHS Department of Homeland Security
DI data interrupt
DIFAX digital facsimile
DIGNU deeply integrated guidance & navigation unit
DIP data interrupt program
DIP dual in-line package
DIR director
DIRCM direct infrared countermeasures
DIR/INTC direct intercept
DISA Defense Information Systems Agency (U.S.)
DISC disconnect
DISCH discharge
DIST distance
DITS data information transfer system
DL data link
DLAP data links application processor
DLC data links control
DLCI data liên kết control identifier
DLE data links entity
DLK data link
DLL data links layer
DLM data liên kết management unit
DLME data link and message engineering
DL/MSU data loader/mass storage unit
DLNA diplexer/low-noise amplifier
DLORT data links operational requirements team
DLP data links processor
DLS data liên kết service/system
DLU tải về unit
DM disconnected mode
DMA direct memory access
DMD digital memory device
DME distance measuring equipment
DME/N DME normal
DME/P DME precision
DMM data memory module
DMS data link management system
DMS debris monitoring sensor
DMU data management unit
DoD Department of Defense (U.S.)
DoT Department of Transportation (U.S.)
DOTS dynamic ocean tracking system
DPI dots per inch
DPR dual port RAM
DPSK differential phase shift keying
DR dead reckoning
DR deduced reckoning
DRAM dynamic random access memory
DRER designated radio engineering representative (FAA)
DRN document release notice
DRVSM domestic reduced vertical separation minimum
DSAD digital service access device
DSARC defense system acquisition review cycle
DSB double side band
DSB-AM DSB-amplitude modulation
DSDU data signal display unit
DSF display system function
DSP data liên kết service provider
DSP departure sequencing program
DSP digital signal processor
DSP display select panel
DSP tên miền specific part
DSPDRV display driver
DSR display system replacement
DSS decision support services
DST decision support tool
DSU data signaling unit
DT&E development test and evaluation
DTD data terminal display
DTD document type definition
DTE data terminal equipment
DTED digital terrain evaluation data
DTG distance-to-go
DTM demonstration demo milestone
DTMF dual tone multifrequency (telephone)
DTP distributed targeting processor
DTPDU data protocol data unit
DTRS data transceiver router server
DTS digital theater systems
DTU data transfer unit
DU display unit
DUAT direct user access terminal
DUATS direct user access terminal system
DUST dual-use science and technology
DVF demonstration and validation facility
DVM digital voltmeter
DVMC digital clip map computer
DVOR Doppler VHF omnidirectional range DVRS digital voice recorder system
DWAN direct wide area network
E
E-PIREPS electronic pilot reports
E/D end-of-descent
E/O engine-out
E&E electronics and equipment
EA electronic attack
EA enterprise architecture
EA environmental assessment
EAA Experimental Aircraft Association
EACARS enhanced ACARS
EAD engine alert display
EAD European AIS database (Eurocontrol)
EADI electronic attitude director indicator
EADS European Aeronautic Defence and Space Co.
EAFR enhanced airborne flight recorder
EAI engine anti-ice
EAL evaluation assurance level
EAL-7 evaluation assurance level-7
EANPG European Air Navigation Planning Group
EAP engine alert processor
EAROM electrically alterable read-only memory
EARTS en route automated radar tracking system
EAS equivalent airspeed
EASA European Aviation Safety Agency
EASIE enhanced ATM and Mode S implementation in Europe
EATCHIP European air traffic control harmonization & integration program
EATMS European ATM System (Eurocontrol)
EATRADA European ATM Research và Development Association
EBR extended bit rate
EC European Commission
ECAC European Civil Aviation Conference
ECAM electronic caution alert module
ECC error correcting code
ECEF earth-centered, earth-fixed
ECJ European Court of Justice
ECL emitter coupler logic
eCM equipment conditioning monitoring
ECMP electronic component management system
ECN engineering change notice
ECO engineering change order
ECP EICAS control panel
ECP engineering change proposal
ECS engineering compiler system
ECS environmental control system
ECS sự kiện criterion subfield
ECSL left environmental control system card
ECSMC environmental control system
miscellaneous card
ECSR right environmental control system card
ECU electronic control unit
ED EICAS display
EDA electronic design automation
EDAC error detection and correction
EDARC enhanced direct access radar channel
EDC error detection & correction
EDDS electronic document distribution service
EDI electronic data interchange
EDI engine data interface
EDIF engine data interface function
EDIS emergency digital information service
EDIU engine data interface unit
EDMS electronic data management system
EDP electronic data processing
EDP engineering development pallet
EDP engine driven pump
EDS embedded diagnostic system
EDS explosive detection system
EDU electronic display unit
EE electrical engineer
EE electronics equipment
EEAS enhanced en-route automation system
EEC electronic engine control
EEC Eurocontrol Experimental Center
EEPROM electrical erasable programmable ROM
EEU electrical load management system electronics unit
EFB electronic flight bag
EFC expected further clearance
EFD electronic flight display
EFDP European flight data processing (Eurocontrol)
EFIC electronic flight instrument controller
EFIP electronic flight instrument processor
EFIS electronic flight instrument system
EFIS CP EFIS control panel
EFVS enhanced flight vision system
EGI embedded GPS/INS
EGIHO expedited ground-initiated handoff
EGNOS European Geostationary Overlay System
EGP exterior gateway protocol
EGPWS enhanced ground proximity warning system
EGT exhaust gas temperature
EHF extremely high frequency
EHSI electronic horizontal situation indicator
EHV electro-hydraulic valve
EIA Electrical Institute of America
EIA Electronic Industries Association
EICAS engine indication and crew alert system
EICASC EICAS controls
EIPI extended initial protocol identifier
EIRP earth incident radiated power
EIRP effective isotropic radiation power
EIS electronic instrument system
EIS engine indication system
EIS environmental impact statement
EISA extended industry standard architecture
EIU electronic interface unit
ELB electronic logbook
ELEC electrical
ELM extended length message
ELMS electrical load management system
eLORAN enhanced long range aid to navigation
ELOS equivalent màn chơi of safety (U.S. Army)
ELS electronic library system
ELT emergency locator transmitter
EM electromagnetic
EM element manager
EMATS endurance management air traffic system
EMC electromagnetic compatibility
EMC entertainment multiplexer controller
EMD engineering, manufacturing và development
EMER emergency
EMI electromagnetic interference
EMP electro magnetic pulse
EMS emergency medical services
EMS engine management system
EMS environmental management system
EMU expansion module unit
ENG engine
ENOC engineering network operations center
EO/IR electro-optic/infrared
EOC emergency operations center (U.S. Army)
EOD kết thúc of day
EO DAS electro-optical distributed aperture system
EOLA European pre-operational data links applications
EOM over of message
EOT end of text
EOTS electro-optical targeting system
EP engineering project
EP external power
EPC engineering project contractor
EPCS engine propulsion control system
EPLD electronically programmable lô ghích device
EPLRS enhanced position location và reporting system
EPR engine pressure ratio
EPR environmental protection requirements (Europe)
EPROM erasable programmable ROM
EPS electrical nguồn system
EPU estimated position uncertainty
EPV end-point voltage
EQTG electronic qualification kiểm tra guide
ERA Environmentally Responsible Aviation program (AIA)
ERAM En Route Automation Modernization
ERAST environment research aircraft và sensor technology
ERB Engineering review Board
ERD over routing domain
ERMP extended range multi purpose
EROPS extended range operations
ERP effective radiation power
ERP eye reference point
ERPDU error protocol data unit
ERP PDU echo trả lời protocol data unit
ERQ PDU echo request protocol data unit
ERU engine replay unit
ES kết thúc system
ES extended squitter
ESA European Space Agency
ESAI electronic standby attitude indicator
ESAS electronic situation awareness system
ESAS enhanced situational awareness system
ESD electrostatic discharge
ESDS electrostatic discharge & soldering
ESH kết thúc system hello
ESID engine & system indication display
ESIS electronic standby instrument system
ESIS engine and system indication system
ESM electronic support measures
ESOIC enhanced small-outline IC
ESR equivalent-series resistance
ESS electronic switching system
ESS environmental bao tay screening
ESSD electrostatic sensitive devices
ESU environmental sensor unit
ETA estimated time of arrival
ETAS enhanced TRACON/tower automation system
ETB over of block (ASCII/IA5 character)
ETB engineering chạy thử bed
ETC estimated time of completion
ETD estimated time of departure
ETE estimated time enroute
ETI elapsed time indicator
ETM elapsed time measurement
ETM electronic training manuals
ETMS engine-trend monitoring services
ETMS enhanced traffic management system
ETNO European Telecommunications Network Operators
ETOPS extended operations
ETOPS extended twin-engine operations
ETP equal time point (halfway there, by time)
ETRC expected taxi ramp clearances
ETS Emission Trading Scheme
ETVS enhanced terminal voice switch
ETX end of transmission
EU electronic unit
EU European Union
EUAFS enhanced upper air forecast system
EUPS external uninterruptible power nguồn supply
EURATN European ATN
EURET European research on transport systems
EUROCAE European Organization for Civil Aviation Equipment (European equivalent of RTCA)
EUROCONTROL European Organization for the Safety of Air Navigation
EV earned value
EVM error vector magnitude
eVTOL electric vertical take-off and landing (eVTOL) aircraft
EVS enhanced vision system
EW electronic warfare
EWIS electrical wiring interconnection system
EZAP enhanced zonal analysis procedures
F
F Fahrenheit
F/O first officer
F&E facilities and equipment
FA final approach
FAA Federal Aviation Administration (U.S.)
FAA/EURO FAA/Eurocontrol R&D committee
FAATC FAA Technical Center
FAB functional airspace blocks
FAB-T family of advanced beyond-line-of-sight terminals
FAC Federal Advisory Committee
FAC final approach course
FAC flight augmentation computer
FACT future airport capability task
FADEC full authority digital engine/electronic control
FAF final approach fix
FAI first article inspection
FAMIS full aircraft management/inertial system
FANS Future Air Navigation System (ICAO)
FAR federal acquisition regulation
FAR federal aviation regulation
FAROA Final Approach Runway Occupancy Awareness
FAS final approach segment
FAST final approach spacing tool
FAT factory acceptance test
FBCB2 Force XXI Battle Command Brigade và Below
FBL fly by light
FBN fly by night
FBO fixed-base operator
FBW fly by wire
FC functional capability
FC foot candles
FC-AV Fibre Channel-Audio Video
FCA functional configuration audit
FCC Federal Communications Commission (U.S.)
FCC flight control computer
FCDC flight critical direct current
FCL flight crew licensing (EASA)
FCM future concepts for maintenance
FCMA FANS Central Monitoring Agency
FCP flight control panel
FCP flight control processor
FCS flight control system
FCS frame check sequence
FCS Future Combat Systems
FCS future concepts for simulators
FD fault detection
FD flight dynamics/director
FD final data
FDAF flight data acquisition function
FDAU flight data acquisitions unit
FDB flight plan data bank
FDDI fiber distribution data interface
FDE fault detection and exclusion
FDEP flight data entry panel
FDH flight deck handset
FDI fault detection & isolation
FDIMU flight data interface management unit
FDIO flight data input/output
FDM flight data monitoring
FDM frequency division multiplex
FDMA frequency division multiple access
FDMS flight deck merging and spacing
FDPS flight data processing system
FDR flight data recorder
FDRS flight data recorder system
FDP flight data processor
FEATS Future European Air Traffic System
FEC forward error correction
FEP front-end processor
FERNS Far East Radio Navigation Service
FF fuel flow
FFS full flight simulator
FFT full flight trainer
FGC flight guidance computer
FGS flight guidance system
FHA functional hazard assessment
FIAO flight inspection area office
FIB forwarding information base
FIFO first in, first out
FIM fault isolation manual
FIR flight information region
FIS flight information services
FIS-B FIS-broadcast
FIX position in space usually on aircraft’s flight plan
FL flight level
FL foot lampert
FLCH flight màn chơi change
FLEX flexibility in the terminal environment
FLIR forward-looking infrared
FLTCK flight check
FltWinds flight and weather information và decision support
FLW forward-looking windshear radar
FM frequency modulation
FMA flight mode annunciator
FMAC Frequency Management Advisory Council
FMC flight management control/computer
FMC field programmable gate array mezzanine card
FMC future concepts for maintenance
FMCDU flight management control and display unit
FMCF flight management computer function
FMCS flight management computer system
FMCW frequency-modulated continuous wave
FMEA failure mode and effects analysis
FMF flight management function
FMGC flight management guidance computer
FMGEC flight management guidance envelope computer
FMP flight mode panel
FMS flight management system
FMS full mission simulator
FMS-ATM Flight Management System-Air Traffic
Management
FMSG Frequency Management Study Group (ICAO)
FMST flight management system trainer
FMU fuel metering unit
FMV full motion video
FNPRM further notice of proposed rulemaking
FOC flight operations center
FOC full operational capability
FOC fuel/oil cooler
FOD foreign object debris
FODA flight operations data assurance
FOG fiber optic gyro
FONSI finding no significant (environmental) impact
FOQA flight operational chất lượng assurance
FOS fiber optics subcommittee (AEEC)
FOSA flight operator surface application
FOV field of view
FOWG Fiber Optics Working Group (Naval Air Systems Command)
FPA flight path angle
FPA focal plane array
FPAC flight path acceleration
FPC flight profile comparator
FPGA field programmable gate array
FPM feet per minute
FPV flight path vector
FQIS fuel chất lượng indicating system
FQPU fuel unique processor unit
FQR formal qualification review
FR frame relay
FRA flap retraction altitude
FRAD frame relay access device
FRCS flight recorder configuration standard
FRED flight recorder electronic documentation
FRM fault reporting manual
FRM flammability reduction means
FRM frame reject mode
FRMR frame reject
FRP Federal Radionavigation Plan (U.S.)
FRPA fixed reception pattern antenna
FRQ frequency
FSAS flight service automation system
FSDO Flight Standards District Office (FAA)
FSE FANS systems engineering
FSE field service engineer
FSEMC Flight Simulator Engineering and Maintenance Conference
FSEU flap slat electronics unit
FSF Flight Safety Foundation
FSM flight schedule monitoring
FSR field service representative
FSS flight service station
FSWE FANS software engineering
FT functional test
FT/ADIRS fault tolerant/air data inertial reference system
FTE flight technical error
FTK freight tonne kilometers
FTP tệp tin transfer protocol
FTPP fault tolerant power panel
FTS Federal Telecommunications System
FUE first unit equipped (U.S. Army)
FUSE family of unmanned systems experiments (U.S. Army)
FVHF future VHF system study (Eurocontrol)
FW failure warning
FWC flight warning computer
FWD forward
FWS flight warning system
G
G/A ground/air or ground-to-air
G/G ground/ground
G/S glide slope
GA general aviation
GA go-around
GAAS gallium arsenide
GACS genetic ATN communications service
GAGAN geostationary augmentation network
GAIN galley inserts
GAIT ground-based augmentation & integrity technique
GAMA General Aviation Manufacturers Association
GAN global area network
GAO Government Accountability Office (U.S.)
GATM global air traffic management
GAViS general aviation vision system
GBAS ground-based augmentation system
GBSAA ground-based sense và avoid
GBST ground-based software tool
GBT ground-based transceiver
Gbyte gigabyte (billion bytes)
GCA ground-controlled approach
GCAS ground collision avoidance system
GCB generator circuit breaker
GCC ground cluster controller (ACARS)
GCP glare-shield control panel
GCS ground clutter suppression
GCS ground control station
GCU generator control unit
GDLP ground data link processor
GDOP geometric dilution of precision
GDP ground delay program
GENOT general notice
GEO geosynchronous/geostationary earth orbit
GEP ground entry point
GES ground earth station
GFE government furnished equipment
GFI general format identifier
GFLOPS gigaflops
GFSK Gaussian frequency shift keying
GG graphics generator
GGR G/G router
GGS GPS ground station
GGTFM ground-ground traffic flow management
GH ground handling
GHG greenhouse gas
GHz gigahertz
GI group identifier
GIB global navigation satellite system integrity broadcast
GIC global navigation satellite system integrity channel
GIC GPS integrity channel
GIG Global Information Grid
GIG-BE GIG-Band Expansion
GICB ground-initiated comm-B
GIHO ground initiated handoff
GINS GPS-inertial navigation systems
GIOVE-A Galileo In-Orbit Validation Experiment-A
GIP government-industry partnership
GIS geodetic information system
GIS geographic information system
GIS graphical information system
GIVE grid inospheric vertical error
GJU Galileo joint undertaking
GL ground location (ACARS/AFEPS)
GL group length
GLC geographic locator codes
GLNS GPS landing và navigation system
GLONASS Global Navigation Satellite System (Russia)
GLS GNSS landing system
GLS GPS landing system
GLU GPS landing unit
GM guidance material
GMC ground movement control
GMDS ground sản phẩm điện thoại data service
GMR giant magnetoresistive
GMT Greenwich mean time
GMTI ground moving target indicator
GMU GPS monitoring unit
GNA global network architecture
GNE gross navigational error
GNR global navigation receiver
GNSS global navigation satellite system
GNSSP GNSS Panel (ICAO)
GoMATS Gulf of Mexico advanced traffic surveillance
GOMEX Gulf of Mexico
GOPS giga operations
GOS grade of service
GOSIP government open systems interconnection profile
GP general purpose
GPADIRS global positioning, air data, inertial reference system
GPCBT guidelines for the production of computer-based training (Eurocontrol)
GP&C global positioning and communications
GPIB general purpose instrument bus
GPIRS global positioning/inertial reference system
GPP general purpose processor
GPPU general-purpose processing unit
GPRS general packet radio services
GPS Global Positioning System
GPSSU GPS sensor unit
GPU ground power unit
GPWC ground proximity warning computer
GPWS ground proximity warning system
GR ground router
GRAS ground-based regional augmentation system
GRIP gridded binary (National Weather Service model output)
GRP geographic reference point
GS ground speed/station
GSC ground station controller (ACARS)
GSE ground support equipment
GSIF ground station information frame
GSM global systems mobile
GSMS ground station management system
GSP glare shield panel
GTC ground terminal computer
GUI graphical user interface
GVA geometric vertical accuracy
GVE graphics vector engine
GW gateway
GWDS graphic weather display system
GWS graphical weather services
H
HAA high-altitude airship
HAATA Houston Area Airspace Transition System
HAD hardware architecture document
HADDS Host Air Traffic Management Data Distribution System
HADS high-altitude platform station
HAE height above ellipsoid
HAG height above geoid
HAI Helicopter Association International
HALE high-altitude, long-endurance
HARS high altitude route system
HART heterogeneous airborne reconnaissance teams (U.S. Army)
HAT height above touchdown zone
HCI human-computer interface
HCP heads-up control panel
HCS host computer system
HD high density airports
HD high definition
HDD head-down display
HDG heading
HDG SEL heading select
HDL hybrid data link
HDLC high-level data links control
HDLC-B HDLC-balanced
HDLMS hybrid data link management system
HDMI high-definition multimedia interface
HDOP horizontal dilution of precision
HDP hardware development plan
HE altitude error
HEA head equipment assembly
HEMS helicopter emergency medical services
HERF high-energy radio frequency (or energy radiated fields: dense)
HF high frequency
HF human factors
HFACS human factors analysis & classification system
HFDL high-frequency data link
HFDM high-frequency data modem
HFDR high frequency data radio
HFI human factors integration
HFNPDU high frequency network protocol data unit
HFOM horizontal figure of merit
HFS high frequency system
HFSG human factor study group
HFSNL high frequency subnetwork layer
HFWG human factors working group
HGA high gain antenna
HGAS HGA system
HGC head-up guidance computer
HGS head-up guidance system
HGS HFDL ground station
HHLD heading hold
HID host interface display
HIL horizontal integrity limit
HIRF high-intensity radiated field
HITL human in the loop
HITS highway in the sky
HLCS high lift control system
HLE higher layer entity
HLL high level language
HMD helmet-mounted display
HMI hazardously misleading information
HMI human-machine interface
HMOS high-density met
