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Governmental & Military >> Aviation Abbreviations

Look through 4999 acronyms and abbreviations related to Aviation:

• DEP PROC — Departure Procedure
• ACAS — Aircraft Collision Avoidance System
• AVSEC — Aviation Security
• DCE — Data Circuit-terminating Equipment
• XMIT — Transmit
• DWAT — Deadweight
• ACCUM — Accumulate
• LTHH — Liner Terms Hook/Hook (shipping)
• LAN — Local Area Network
• FLSA — Fair Labor Standards Act
• ETA — Estimated Time of Arrival
• IQ — Intelligence Quotient
• IFPRU — IFPS Responsible Unit
• ANOVA — Analysis of Variance (statistics)
• GTEE — Guarantee
• ADVON — Advanced Echelon
• ABT — About
• NBFR — Not Before
• MLS — Microwave Landing System
• JP — Japan
• DODAR — Diagnosis, Options, Decision, Assessment and Revision
• FTP — File Transfer Protocol
• XBAR — Crossbar
• MIN/MAX — Minimum/Maximum
• CDC — Computer Display Channel
• ARINC 604 — Guidance For Design And Use Of built-In Test Equipment
• XCVR — Transceiver
• DLOSP — Dropping Last Outwards Sea Pilot
• AHRS — Attitude Heading Reference System
• MAN — Metropolitan Area Network
• DDU — Delivery Duty Unpaid
• NOTAMR — Notam Replacing another Notam
• EGATS — Eurocontrol Guild of Air Traffic Services
• ROM — Read-Only Memory
• WWW — World Wide Web
• CUG — Closed User Group
• A — Ampere
• BVR — Beyond Visual Range
• LASER — Light Amplification By Stimulated Emission Of Radiation (cf. Maser)
• RAIL — Runway Alignment Indicator Lights
• IT — Information Technology
• ICD — Interface Control Document
• CPU — Central Processing Unit
• LOV — List Of Values
• SAR — Search And Rescue
• ADC — Air Data Computer
• MSG — Message
• FD — Flight Director
• ESA — European Space Agency
• QC — Quality Control

• ANSI — American National Standards Institute, Inc.
• ASM — Available Seat Mile
• AAL — Above Aerodrome Level
• NTSB — US National Transportation Safety Board
• CAP — Civil Air Patrol
• EDI — Electronic Data Interchange
• SMEQ — Subjective Mental Effort Questionnaire
• FAR — Federal Aviation Regulation
• RVR — Runway Visual Range
• WAC — World Aeronautical Chart
• AOG — Aircraft On Ground
• S — South
• OEM — Original Equipment Manufacturer (usually in reference to car parts)
• OPS — Operations
• B-RNAV — Basic Area Navigation
• ACMS — Aircraft Condition Monitoring System
• CV — Curriculum Vitae
• FYI — For Your Information
• MOA — Memorandum Of Agreement
• COBT — Calculated Off Block Time
• LRU — Line Replaceable Unit
• EEO — Equal Employment Opportunity
• IRR — Internal Rate of Return
• T-VASIS T — Visual Approach Slope Indicator System
• 2H — Second Half
• APU — Auxiliary Power Unit
• PPE — Personal Protective Equipment
• ERDF — European Regional Development Fund
• CRM — Crew Resource Management
• MOLCHOPT — More or Less Charterers Option
• SMTP — Simple Mail Transfer Protocol
• PDA — Personal Digital Assistant
• FLT — Full Liner Terms
• ATA — Area Transportation Authority
• A-VDGS — Advanced-Visual Docking Guidance System
• TTG — Time-To-Go
• DOT — Department of Transport
• ARINC 422 — Guidance For Modification Status Indicators & Avionics Service Bulletins
• AFCS — Automatic Flight Control System
• GIS — Geographic Information System
• EMP — Electromagnetic Pulse
• AGL — Above Ground Level
• LSD — Lashed Secured Dunnaged
• EMARSSH — Europe, Middle East, Asia Route Structure of the Himalayas
• R&D — Research & Development
• IP — Internet Protocol
• DME — Distance Measuring Equipment
• WAN — Wide Area Network
• IRL — Republic Of Ireland
• RF — Radio Frequency

• GNP — gross national product (economics)
• ACD — Automatic Call Distributor
• RESA — Runway End Safety Area
• MOU — Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections)
• LNG — Liquefied Natural Gas
• SAN — Storage Area Network
• VAT — Value Added Tax
• GSE — Ground Support Equipment
• A SMGCS — Advanced Surface Movement Guidance and Control Systems
• A-VASIS — Advanced Visual Approach Slope Indicator System
• CEP — Circular Error Probable
• E — East
• ASR — Airport Surveillance Radar
• DEC — December
• RNP5 — Required Navigation Performance 5
• IWL — Institute Warranty Limits
• USAF — United States Air Force
• ICAO — International Civil Aviation Organization
• EXW — Ex Works
• CU — Control Unit
• TCP — Transmission Control Protocol
• I AND Q CHANNELS — In-phase and Quadrature channels
• KE — Kenya
• EASA — European Aviation Safety Agency
• ERP — Emergency Response Plan
• SOP — Standard Operational Procedure
• AF — Air Force
• B/L — Bill of Lading
• ETS — Estimated Time of Sailing
• ADP — Automated Data Processing
• PCB — printed circuit board
• R B — Range and Bearing line
• PDF — Portable Document Format (created by Adobe Acrobat)
• CHOPT — Charterers Option
• FAA — Federal Aviation Administration
• CPT — Carriage Paid To
• CTR — Center
• CIO — Chief Information Officer
• CVR — Cockpit Voice Recorder
• MAA — Maximum Authorized Altitude
• EET — Estimated Elapsed Time
• FP — Flight Plan
• MIL — Military
• CN — Change Notice
• TTL — Transistor-Transistor Logic
• GALPA — Ghanaian Air Line Pilots Association
• IM — Information Management
• BTWN — Between
• CFE — Customer-Furnished Equipment
• A/D CONVERTER — Analogue-to Digital Converter

• Q&A — Question & Answer
• DEC — Digital Equipment Corporation
• I/O — Input/Output
• MSA — Minimum Safe Altitude
• HMI — Human Machine Interface
• ALT — Alternate
• D.O.T — Department of Transport
• KG — Kilogram
• D-GPS — Differential Global Positioning System
• Q.23 — Signalling system for PABX
• QTY — Quantity
• ARPA — Advanced Research Projects Agency (made early internet)
• CM — Centimeter
• PMP — Project Management Plan
• X-WIND — Cross Wind
• PAQ — Position Analysis Questionnaire
• CM — Configuration Management
• EBCDIC — Extended Binary Coded Decimal Interchange Code (pronounced Eb-see-dik) (cf. BCD)
• NATO — North Atlantic Treaty Organisation
• NACA — National Advisory Committee for Aeronautics
• CGL — Circling Guidance Light
• BW — Bandwidth
• WX — Weather
• PAR — Precision Approach Radar
• QMS — Quality Management System
• QOS — Quality of Service
• R — Right
• CDU — Control Display Unit
• EAS — Equivalent Airspeed
• FOB — Free On Board
• TV — Television
• ERP — Effective Radiated Power
• APAPI — Abbreviated Precision Approach Path Indicator
• N — North
• AGW — All Going Well
• CQD — Customary Quick Despatch
• AIP — Aeronautical Information Publication
• MTBF — Mean Time Before Failure
• SID — Standard Instrument Departure
• FAR — Federal Acquisition Regulation
• C102 (TSO) — Helicopter Radar Approach, Issued 04/02/84
• LOB — Line Of Business
• BA FAIR — Braking action Fair
• LADGPS — Local Area Differential Global Positioning System
• CIP — Carriage and Insurance Paid to
• UHF — Ultra High Frequency (300-3000 MHz; 1m-10cm)
• IDP — Individual Development Plan
• CKD — Completely Knocked Down
• EGA — Enhanced Graphics Adapter
• FL — Flight Level

• RNP — Required Navigation Performance
• DH — Decision Height
• ATCRBS — Air Traffic Control Radar Beacon System
• RCU — Remote Control Unit
• Q PROCEDURE — Procedure to identify replacement flight plans
• COD — Cash On Delivery
• CDL — Configuration Deviation List
• GUI — Graphical User Interface (goo-ey)
• VAN — Value Added Network
• HMI — Hazardously Misleading Information
• HDLC — High-Level Data Link Control
• CNEE — Consignee
• LVL — Level
• D-ATSU — A Downstream Air Traffic Services Unit
• NOV — November
• GPS — Global Positioning System (ex-NAVSTAR)
• ALT — Altitude
• IFB — Invitation For Bid
• CPDLC — Controller Pilot Data Link Communications
• KAEPA — Kuwait Aircraft Engineers and Pilots Association
• BSS 1/1 — Basis 1 Port to 1 Port
• T-ATSU — Transferring ATS Unit
• W — White
• CAF — Currency Adjustment Factor
• EPA — Environmental Protection Agency (US)
• IR — Iran Air
• BA NIL — Braking Action Nil
• GS — Ground Speed
• ATC — Air traffic control
• CTRL — Control
• ARINC 753 — HF Data Link System
• MSL — Mean Sea Level
• DK — Deck
• D-OTIS — Data Link Operational Terminal Information Service
• UA — Ukraine
• CLD — Cloud
• AIXM — Aeronautical Information Exchange Model
• XECM — Cancel Executive Controller Message
• DHDWTSBE — Despatch Half Demurrage on Working Time Saved Both Ends
• AE — Application Entity
• BA POOR — Braking Action Poor
• ATD — Actual Time of Departure
• GA — General Aviation
• DDP — Delivered Duty Paid
• DOP — Dropping Outward Pilot
• FLT — Flight
• DE — Germany
• NAS — National Airspace System
• S-SUP — Sector Supervisor
• LEO — Low Earth Orbit (satellite communications)

• PM — Preventive Maintenance
• FF — Fuel Flow
• NI — Network Interface
• CW — Clockwise
• BL — Bale
• ASD — Aircraft Situation Display
• N/A — Not Applicable
• ND — Navigation Display
• MCE — Management Centre Europe
• W — West
• ADC — Air Defense Command
• AT — Air Traffic
• LF — Low Frequency
• EU — European Union (1994; formerly referred to as the EEC or EC)
• RFQ — Request For Quote
• A/A — Air-to-Air
• ATLA — Air Transport Licensing Authority
• X-BAND — The frequency range between 8000 and 12500 MHz
• JAN — January
• AC — Air Canada
• DVOF — Digital Vertical Obstruction File
• W — Watt
• ACN — Aircraft Classification Number
• PF — Pilot Flying
• AACO — Arab Air Carriers Organisation
• FOUO — For Official Use Only
• VHF — Very High Frequency
• SV — Space Vehicle
• TBA — To Be Advised
• ALP — Airport Layout Plan
• ALSF-2 — High Intensity Approach Lighting Systerm with Sequenced Flashing Lights.
• CAT — Clear Air Turbulence
• EU-OPS — EASA Operations Regulations
• FMC — Flight Management Computer
• FTE — Full Time Equivalent
• FIS — Flight Information Service
• FT — Feet
• V — Velocity
• PFD — Primary Flight Display
• CW — Continuous Wave
• EBU — Engine Build Unit
• TM — Traffic Management
• MLW — Maximum Landing Weight
• CCU — Central Control Unit
• BM — Beam
• DEQ — Delivered Ex Quay (shipping)
• IAEA — International Atomic Energy Agency
• RM — Risk Management
• GS — Glide Slope
• MDA — Minimum Descent Altitude

• OBTEX — Offboard Targeting Experiments
• ACT — Active
• NPV — Net Present Value {economics}
• CW — Carrier Wave
• ADV — Advise
• PDN — Public Data Network
• FANS — Future Air Navigation System
• ADF — Automatic Direction Finder
• MHZ — Megahertz (Megacycles Per Second)
• FAS — Free Alongside Ship
• AOCS — Attitude and Orbit Control System
• PRE-OJT — Pre-On-the-Job Training
• WP — Work Package
• PRF — Pulse Repetition Frequency
• TBD — To Be Determined
• PACOTS — Pacific Organised Track System
• EW — Eurowings
• NM — Nautical Mile
• LAT — Latitude
• TCA — Terminal Control Area
• VSCF — Variable-Speed Constant Frequency
• CAVOK — Ceiling And Visibility OK (Kav-okay)
• IR — Islamic Republic of Iran
• SVC — Service
• DEA — Drug Enforcement Agency
• NOTAM — Notice to Airmen
• M:M — Many-to-Many Relationship
• R-CHANNEL — Random Access Channel
• GCU — Generator Control Unit
• XCOORD — Cancel Co-ordination
• HF — High Frequency
• LF — Load Factor
• B/CRS — Back Course
• MCW — Modulated Continuous Wave
• ARINC 424 — Navigation System Data Base
• B — Blue
• C/N0 — Carrier-to-Noise-Density Ratio
• MCT — Maximum Continuous Thrust
• ARINC 542 — Airborne Oscillograph Flight Data Recorder
• VAFORIT — VAFOR Implementation
• NESDIS — National Environmental Satellite, Data, and Information Service
• MODEM — Modulator-Demodulator
• DRAM — Dynamic Random Access Memory (dee-ram) (computing)
• SH — Showers
• DES — Delivered Ex Ship
• ACK — Acknowledge (telecommunications; Cf. NAK)
• D-TO NL — Derated Takeoff Engine Fan Speed
• INFO — Information
• ARINC 419 — Digital Data System Compendium
• UL — Uplink

• WG — Working Group
• W/MOD — With Modification of Vertical Profile
• W/STEP — With Step Change in Altitude
• RDP — Radar Data Processing
• OCT — October
• FCL — Full Container Load
• IF — Intermediate Frequency
• CRS — Course
• ARINC 610 — Guidance For Design and Integration of Aircraft Avionics Equipment In Simulators, Supplement 1
• GE — Georgia
• SWIM — System Wide Information Management
• LIDO — Lufthansa Integrated Dispatch Operation
• NOR — Notice of Readiness
• IMF — International Monetary Fund
• DA — Decision Altitude
• AED — Automated external defibrillator
• F&CM — Flow And Capacity Management
• THR — Thrust
• FDD — Freight Demurrage Deadfreight
• K — Kilo-
• SMS — Safety Management Systems
• EADI — Electronic Attitude Director Indicator
• EXTRAP — Extrapolate
• DFDAU — Digital Flight Data Acquisition Unit
• ARINC 747 — Flight Data Recorder
• NAS — National Aircraft Standard
• EXEC — Execute
• O-QAR — Optical Quick Access Recorder
• BAF — Bunker Adjustment Factor
• XLTR — Translater
• TMA — Traffic Management Advisor
• MOLOO — More or Less Owners Option
• OSI — Open Systems Interconnection (iso Standard)
• PHA — Preliminary Hazard Analysis
• ITF — International Transport Workers' Federation
• APR — April River Airport, April River, Papua New Guinea
• XASM — Cancel Assume
• EMS — Environmental Management Systems
• BRK — Break
• PMS — Performance Management System
• CBT — Computer Based Training
• DOLSP — Dropping Off Last Sea Pilot
• PSTN — Public Switched Telephone Network
• T-CHANNEL — Time Division Multiple-Access Channel
• PCT — Percent
• FOT — Free On Truck
• P,R,D AREA — Prohibited, Restricted, or Danger Area
• RNG — Range
• FIFO — First In, First Out
• NCS — National Communications System

• SUA — Special-Use Airspace
• EPR — Engine Pressure Ratio
• MRC — Monthly Recurring Charge
• RTLS — Return To Launch Site
• CRT — Cathode Ray Tube (type of TV)
• AMSL — Above Mean Sea Level
• FAASTEAM — FAA Safety Team
• RSVN — Reservation
• M-ADS — Modified Automatic Dependent Surveillance
• LOA — Length Overall
• FRB — Failure Review Board
• GFE — Government-Furnished Equipment
• CONUS — Continental United States (48 Contiguous States and DC)
• AEW — Airborne Early Warning
• WT — Weight
• FAQ — Frequently Asked Questions (sometimes Pronounced Fak)
• RCR — Runway Condition Reading
• DAARWIN — Distributed ATM Architecture based on
• IF — Intermediate Fix
• AO — Authorizing Official
• WO — Without
• MM — Middle Marker
• BOD — Beneficial Occupancy Date
• AACO — Arab Air Carriers Organization
• SVID — System V Interface Definition
• HIRO — High Intensity Runway Operation
• PQP — Project Quality Plan
• ECAC — European Civil Aviation Conference
• LTIOV — Latest Time Information of Value
• FA — Final Approach
• FZFG — Freezing Fog
• C — Close
• AD — Aerodrome
• DFAX — Digital Facsimile
• A&P — Airframe & Powerplant
• XCONF — Delete CONFlict
• AFB — Air Force Base (USAF)
• MCP — Mode Control Panel
• CPS — Central Processing System
• A/C — Aircraft
• CRM — Cockpit Resource Management
• LORAN — Long-Range Aid to Navigation
• TBO — Time Between Overhaul
• C/S/S/N — Capacity/Safety/Security/Noise
• CBI — Computer Based Instruction
• HAZMAT — Hazardous Material
• COS — Chief of Staff
• M/ASI — Mach/Airspeed Indicator
• TK — Turkish Airlines
• DOD — United States Department of Defense

• HADAMARD — Multi-radar processing written in ADA
• NRT — Net Restricted Tonnage
• DSS — Decision Support System
• V/TRK — Vertical Track
• DDS — Digital Data Service
• FSS — Flight Service Station
• FY — Fiscal Year
• DAFIF — Digital Aeronautical Flight Information File
• FOIA — Freedom of Information Act
• CISO — Chief Information Security Officer
• LOI — Letter Of Intent
• SHF — Super High Frequency
• TC/OC — Technical Control and Operational Control
• AFSS — Automated Flight Service Station
• ANG — Air National Guard
• CDI — Course Deviation Indicator
• L — Left
• I(FD) — MTI Improvement Factor
• CAVU — Ceiling And Visibility Unlimited
• JAA AMC — JAA Acceptable Means of Compliance
• BL — Blowing (METAR descriptor)
• COTR — Contracting Officer Technical Representative
• VSWR — Voltage Standing Wave Ratio
• ISDN — Integrated Services Digital Network
• CMO — Certificate Management Office
• DIA — Denver International Airport
• SSB — Single Side Band
• STAB — Stabilizer
• TAS — True Airspeed
• ARINC 572 — Mark 2 Air Traffic Control Transponder
• APA — Allied Pilots Association
• BOC — Bell Operating Company
• ANS — Answer
• DA/H — decision altitude/height
• SAC — Strategic Air Command
• RDIF — Radar Data Interchange Format
• FDR — Flight Data Recorder
• COOP — Continuity of Operations
• DMA — direct memory access (computer term)
• FIM — Fault Isolation Manual
• SQL — Structured Query Language
• XAP — Crossing Alternate Proposal Message
• R,E&D — Research, Engineering and Development
• ADIRS — Air Data Inertial Reference System
• ALSF1 — ALS with Sequenced Flashers I
• XBRIGHT — Cancel highlighting
• ALQDS — All Quadrants
• STOL — Short Takeoff And Landing
• M — Manual
• P… — Prohibited Area

• AUTOVON — Automatic Voice Network
• AFCAC — African Civil Aviation Commission
• JAAC/JAA CE — JAA Committee
• DBS — Direct Broadcast Satellite
• P.T.T — Push-to-Talk
• A/D — Analog-to-Digital
• RMP — Radio Management Panel
• ARTCC — Air Route Traffic Control Center
• CAA — Civil Aviation Authority
• RFC — Request For Change
• AFSPS — Arrival First Sea Pilot Station
• PPI — Plan Position Indicator
• RAIM — Receiver Autonomous Integrity Monitoring
• CAB — Civil Aeronautics Board
• RIB — Routing Information Base
• CATX — Categorical Exclusion
• AWB — Air Waybill
• ARINC 743A — GPS/GLONASS Sensor
• DDD — Detailed Design Document
• CFR — Code of Federal Regulations
• FFA — Functional Failure Analysis
• HALS / DTOP — High Approach Landing System / Displaced Threshold Operations
• R-ATSU — The Receiving Air Traffic Services Unit
• GPO — Government Printing Office
• ACU — Antenna Control Unit
• SAW — Surface Acoustic Wave
• COGSA — U.S. Carriage of Goods by Sea Act
• XGEO — Cancel GEO
• CDM — Collaborative Decision Making
• FPL — Full Performance Level
• SOW — Statement Of Work
• VCRI — Verification Cross Reference Index
• GSFC — Goddard Space Flight Center (Greenbelt, MD)
• TOR — terms of reference (ICAO/FAA)
• CIP — Capital Investment Plan
• ASTERIX — All-purpose Structured Eurocontrol Radar Information Exchange
• NOAA — National Oceanic and Atmospheric Administration (US)
• AUG — August
• NAAPE — National Association of Aircraft Pilots and Engineers
• P.ACCS — Pairs of ACCs
• ITU — International Telecommunication Union
• MOD — Modified
• FAACIS — FAA Communications Information System
• D-ATIS — Digital - Automatic Terminal Information Service
• AOB — Air Order of Battle
• SBIR — Small Business Innovation Research
• DOS — Disk Operating System
• RCM — Requirements Correlation Matrix
• OCA — Oceanic Control Area
• ACI — Airports Council International

• MTTR — Mean Time To Repair
• IA-5 — International Alphabet Number 5
• FDEDANRSAOCLONL — Freight Deemed Earned, Discountless And Non-Returnable Ship And Or Cargo Lost Or Not Lost
• IRU — Inertial Reference Unit
• ACFT — Aircraft
• AC — Altocumulus
• SP — Space
• MN — Magnetic North
• AMT — Aviation Maintenance Technician
• BPS — bits per second
• NTE — Not-To-Exceed
• EFIS — Electronic Flight Information System
• RAARR — Radar Arrival
• RATCC — Radar Air Traffic Control Center
• JAARC — JAA Research Committee
• LIDAR — Lander Light Detection and Ranging
• LOA — Letter Of Agreement
• LABSC — LABS GS-200 Computer
• SIP — State Implementation Plan
• DCA — Defensive Counter Air
• PMS — Program Management System
• MCA — Minimum Crossing Altitude
• MOCA — Minimum Obstruction Clearance Altitude
• TURB — Turbulence
• MDT — Mean Down Time
• ALS — approach lighting system
• PFI — Private Finance Initiative
• ANA — All Nippon Airways
• DZ — Algeria
• LED — law enforcement desk; light emitting diode
• ELINT — Electronic Intelligence Satellite
• XMITR — Transmitter
• RTE — Route
• GA — General Average
• RAD — Radio
• MBO — Management by Objective
• NEC — National Electric Code
• BA — Braking Action
• ATA — Actual Time of Arrival
• IBM — International Business Machines Corporation
• SNR — Signal-to-Noise Ratio
• MEL — Minimum Equipment List
• DES — Descent
• DIS — Distance
• NAVDB — Navigation Data Base
• CFI — Certified Flight Instructor
• LDAP — Lightweight Directory Access Protocol (pronounced Ell-dap)
• PRI — Primary Rate Interface (ISDN)
• XFR — Transfer
• XOFF/PDR — Cancel Off Predetermined Route

• TOP — Cloud Top
• AT — Air Transport
• RAD — Radial
• OMB — Office of Management and Budget (U.S.)
• MPO — Metropolitan Planning Organization
• HIRTA — High Intensity Radio Transmission Area
• EPROM — Erasable Programmable Read-Only Memory
• BIM — Building Information Model
• HIWAS — Hazardous Inflight Weather Advisory Service
• O&M — Operation and Maintenance
• OL — Operating Location
• C/N — Carrier-To-Noise Ratio
• HOV — High Occupancy Vehicle
• IMPACT — Information Market Policy Actions
• MIPS — Millions of Instructions Per Second
• ADCCP — Advanced Data Communications Control Procedures
• LABSR — LABS Remote Equipment
• GSA — U.S. General Services Administration
• RPI — Real Property Inventory
• FACF — Final Approach Course Fix
• ADDS — Aviation Digital Data Service
• SESAR — Single European Sky ATM Research
• FANOMOS — Flight track and Aircraft NOise Monitoring System
• OPT — Optimum
• HZ — cycles per second (hertz)
• CDTI — Cockpit display of traffic information
• NOTAMN — New Notam
• CZ — Czech Republic
• MRA — Minimum Reception Altitude
• PMS — Pavement Management System
• DID — direct inward dial
• FYG — For Your Guidance
• I/AFSS — International AFSS
• ACARS — Aircraft Communications Addressing and Reporting System
• SAAFEA — South African Airways Flight Engineers Association
• MIN — Minimum
• WTSPT — Waterspout
• ARINC 575 — Mark 3 Subsonic Air Data System
• TCU — Towering Cumulus
• OO — SkyWest Airlines
• ARINC 603 — Airborne Computer Data Loader
• DML — Data Manipulation Language
• ACPT — Accept
• BDI — Both Dates Inclusive
• CRC — Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)
• ARINC 579 — Airborne VOR Receiver
• GBAS — Ground Based Augmentation System
• PDPR — Per Day Pro Rata
• NEPA — National Energy Policy Act of 1992
• CON — Continuous

• GDP — Ground Delay Program
• DDE — Dynamic Data Exchange (in software parlance)
• AA — Always Afloat
• XIFL — Cancel Intermediate Flight Level
• OU — Croatia Airlines
• HW — High Water
• IA/CC — Indirect Access/Common Control
• PFN — Pulse-Forming-Network
• CFR — Cost and Freight
• LT — Long Ton
• VDF — Very high frequency Direction Finding station
• COTS — Commercial Off the Shelf Software
• ANC — Air Navigation Commission
• UT — Universal Time
• LABSW — LABS Switch System
• PIREP — Pilot (weather) Report
• ARINC 557 — Airborne Voice Recorder
• PAMPLAY — PAM rePLAY system
• XNSSR — Exit NSSR
• DRP — Disaster Recovery Plan
• FSM — Flight Schedule Monitor
• DTED — Digital Terrain Elevation Data (dee-ted)
• QAE — Quality Assurance Evaluator
• FI — Flight Instructor
• CCITT — Comite Consultatif International de Telegraphique et Telephonique (International Telegraph and Telephone Consultative Committee) [now ITU-T]
• IA — Inspection Authorization
• BCR — Benefit/Cost Ratio
• ARINC 542A — Digital Flight Data Recorder
• AOR — Area of Responsibility. The assigned area to any given unit.
• ILS — Instituteument Landing System
• VBFNG(HI) — High speed CAS at N g's to buffet onset
• IMA — Integrated Modular Avionics
• CIF — Cost, Insurance, Freight
• HDOP — Horizontal Dilution of Precision
• DEST — Destination
• ADDENDUM — Additional chartering terms at the end of a charter party
• AS — Altostratus
• QPSK — aeronautical quadrature phase shift keying
• IPT — Integrated Product Team
• JALPA — Jamaica Air Line Pilots Association
• SAE — Society of Automotive Engineers
• PCM — Pulse-Code Modulation
• WAYPOINT — Position in space usually on aircraft's flight plan
• ATZ — Aerodrome Traffic Zone
• MAX — Maximum
• TCAS — Traffic Collision Avoidance System
• ATCO — Air Taxi Commercial Operator
• PDC — Pre-Departure Clearance
• JAAB/JAA-B — Joint Boards
• SCADA — Supervisory Control And Data Aquisition

• GUI — Graphic-User Interface
• FDOD — CFMU – Flight Data Operations Division
• ATO — Air Traffic Organization
• XFDM — Cancel FDM
• COA — Contract Of Affreightment
• ANSP — Air Navigation Service Provider
• DGNSS — Differential Global Navigation Satellite System
• XHOLD — Cancel Hold
• FDP/RDP — Flight Data Processing/Radar Data Processing
• TRU — True
• BCA — Benefit/Cost Analysis
• LGTD — Lighted
• PFA — Probability of False Alarm
• IMDG — International Maritime Dangerous Goods
• CLR — Clear
• HZ — Haze (METAR Code)
• HAT — Height Above Touchdown
• AC — Advisory Circular
• TSU — Technical Support Unit
• PKI — Public Key Infrastructure (cryptography)
• ARP — Aerodrome Reference Point
• CR — Current Rate
• ASI — Air Speed Indicator
• EEG — Electro-EncephaloGram
• ELBA — Emergency Locator Beacon Aircraft
• IFF — Identification Friend or Foe (radar)
• FRA — Federal Railroad Administration
• NSSL — National Severe Storms Laboratory
• MTTF — Mean Time To Failure
• FR — From
• DEA — Data Exchange Agreement
• XFRQ — Cancel FreQuency message
• ARINC 601 — Control/Display Interfaces
• CDT — Controlled Departure Time
• MAN — Manual
• GCA — Ground-controlled approach
• RDF — Radio Direction Finder
• HQ — Headquarters (HDQ Preferred)
• PT — Product Team
• VCMAX — Active Maximum Control Speed
• AQP — Advanced Qualification Program
• PIC — Pilot In Command
• ELBA — Emergency Location Beacon-Aircraft
• OJT — On the Job Training
• SES — Single European Sky
• POS — Position
• HALPA — Hellenic Air Line Pilots Association
• LOFT — Line-Oriented Flight Training
• I — Italy
• A02 — Automated Observation With Precipitation Discriminator

• PROF — Profile
• AHL — Australian Hold Ladders
• EHF — Extremely High Frequency
• FCC — Federal Communications Commission (US)
• KARLDAP — Karlsruhe Automatic Data Processing and Display System
• SAS — Scandinavian Airlines System
• BAF — Belgian Air Force
• ARINC — Aeronautical Radio Incorporated
• XEXPLT — Cancel Extrapolation
• WMO — World Meteorological Organisation
• CDB — Corporate Database
• TTY — Teletype Telex Machine
• QAR — Quick Access Recorder
• ARTS — Automated Radar Terminal System
• CAT X — Category x Precision Approach
• AAAA — Always Accessible Always Afloat
• KBS — Knowledge-Based System
• IMC — Instrument Meteorological Conditions
• STAR — Standard Terminal Arrival Route
• DGAC — Direction Générale de l’Aviation Civile
• C — Centigrade
• MDD — Meteorological Data Distribution
• COACP — Contract Of Affreightment Charter Party
• ATDNSHINC — Any Time Day/Night Sundays and Holidays Included
• OPM — Office of Personnel Management
• QP — Quality Plan
• DIST — Distance
• NOSIG — No Significant Change
• HDD — Head Down Display
• FARAWAY — Fusion of Radar and ADS data through two WAY data link
• BTN — Between
• BRI — Basic Rate Interface
• DTM — Digital Terrain Model
• CAS — Calibrated Air Speed
• DEM — Demurrage
• YD — Yaw Damper
• SAT — Static Air Temperature
• IRS — Inertial Reference System
• CVSM — Conventional Vertical Separation Minimum
• IA — International Alphabet
• FTE — Flight Technical Error
• AT&T — American Telephone and Telegraph (U.S. company, also known as "Ma Bell")
• KHZ — kilohertz (1000 cycles per second)
• DBE — Disadvantaged Business Enterprise
• CARSR — Common Air Route Surveillance Radar
• PAPI — Precision Approach Path Indicator (aviation)
• TN — True North
• AP — Airport
• LLWAS — Low Level Wind Shear Alert System
• ADF — Automatic Direction Finding

• ASMA — Aerospace Medical Association
• FLAS — Flight Level Allocation Scheme
• SEP — September
• PDR — Preferential Departure Route
• ARINC 571 — Inertial Reference System
• CFDS — Centralised Fault Display System
• FZDZ — Freezing Drizzle
• CONS — consumption
• IFR — Instrument Flight Rules
• DBMS — Data Base Management System
• PVC — Permanent Virtual Circuit (ATM)
• ECMT — European Conference of Ministers of Transport
• EANPG — Regional European Air Navigation Planning Group
• VBF(LO) — Flaps up minimum buffet speed at current maneuver load factor minus altitude dependent variable
• MIRL — Medium Intensity Runway Lights
• MNM — Minimum
• A/P — Autopilot
• LSA — Lysergic Acid Amide
• TMC — Thrust Management Computer
• TBC — The Boeing Company
• CCSD — command communications service designator; control communications service designator
• VBFNG(LO) — Low speed CAS at N g's to buffet onset
• CAA PNG — Civil Aviation Authority of Papua New Guinea
• ADIZ — Air Defense Identification Zone
• HBARO — Barometric Altitude
• AVG — Average Voltage Gain
• IDS — Intrusion Detection System
• PABX — private automatic branch exchange (telephone)
• DR — Dead Reckoning
• AIRNAV — Airports and Navigation Aids Database System
• PBX — Private Branch eXchange (company phone system)
• DNRCAOSLONL — Discountless and Non-Returnable Cargo and/or Ship Lost or Not Lost
• RTCA — Radio Technical Commission for Aeronautics
• AM — AeroMexico
• FZRA — Freezing Rain (METAR Code)
• AFS — Aeronautical Fixed Service
• CMC — Central Maintenance Computer
• IPV6 — Internet Protocol Version 6
• AIR — Aircraft Certification Service
• OUTB — Outbound
• DHS — Department of Human Services
• CST — Centistoke
• ANCA — Airport Noise and Capacity Act
• ADVCTN — Advection
• LW — Low Water
• SDR — Service Difficulty Report
• 2D — Two-Dimensional
• OPR — Office of Primary Responsibility
• ECAM — Electronic Centralized Aircraft Monitor
• EST — Estimated Starting Time

• ACID — Aircraft Identification
• RAES — Royal Aeronautical Society
• CRDA — Converging Runway Display Aid
• DCE — Data Communication Equipment
• ATAG — Air Transport Action Group
• NAABSA — Not Always Afloat But Safely Aground
• GEN — General Motors
• EAPTU — Air Line Pilots Trade Union
• PII — Personally Identifiable Information
• CPD — Charterers Pay Dues
• MAG — Magnetic
• ARINC 597 — Aircraft Communications Addressing And Reporting System
• ABV — Above
• SDLC — Software development life cycle
• AEWPD — Adapted EATM Work Programme Document
• FMGC — Flight Management Guidance Computer
• KW — Kilowatt (one thousand watts) (measurement)
• IS — Iceland
• TGT — Target
• ENG — Engine
• NORDO — No-Radio
• WBC — Weight and Balance Computer
• EFB — Electronic Flight Bag
• ADS-C — Automatic Dependent Surveillance-Contract
• SGL — Signal
• BRG — Bearing
• INS — Inertial Navigation System
• LT — Liner Terms
• EG — Egypt
• UN — United Narions
• VSP — Vertical Speed
• IATA — International Air Transport Association
• CASE — computer-automated software engineering
• DAMFORDET — Damages for Detention
• ICASM — International Congress of Aviation and Space Medicine
• 16PF — Sixteen Personality Factor Questionnaire
• GW — Gross Weight
• ACAIS — Air Carrier Activity Information System
• DNIC — Data Network Identification Code
• SS 30 — 30 Minutes after Sunset
• EAMG SSG — EAMG Systems Sub-Group
• MTBCF — Mean Time Between Critical Failures
• QDR — Reciprocal Magnetic Bearing
• ATE — Automatic Test Engineer
• MVFR — Marginal Visual Flight Rules
• XEU — European Currency Unit
• NMB — National Mediation Board
• VMIN — Basic Clean Aircraft Minimum CAS
• RISC — Reduced Instruction Set Computer
• MIT — Massachusetts Institute of Technology (U.S.)

• CAT — Computer Aided Testing
• SSTS — Space Surveillance and Tracking System
• GMT — Greenwich Mean Time (Zulu)
• CG — Center of Gravity (DXS)
• AFA — Association of Flight Attendants
• VNAV — Vertical Navigation
• UPU — Universal Postal Union
• PVD — Plan View Display
• D — Derated
• SGS 85 — Sovietic Geodetic System
• PUP — Principal User Processor (NEXRAD)
• MMU — Memory Management Unit
• MK — Republic of Macedonia
• BY — Belarus
• HWCI — Hardware Configuration Item
• ALSF2 — ALS with Sequenced Flashers II
• AVMED — Aviation Medicine
• PRM — Precision Runway Monitor
• TSTMS — Thunderstorms
• BOB — Bunker On Board
• CAA SI — Civil Aviation Authority of Solomon Islands
• ACDO — Air Carrier District Office
• CROB — Cargo Remaining on Board
• RESMA — Requirements for Emergency and Safety Airborne Equipment
• GDOP — Geometric Dilution Of Precision
• C87A — Low Range Radar Altimeters, Issued 01/01
• HP — Holding Pattern
• C91A — Emergency Locator Transmitter, Issued 04/85
• EAD SGR — EAD Sub-Group
• RAPPI — Random Access Plan-Position Indicator
• FIOS — Free In/Out Stowed
• WPM — speech--words per minute
• TDMA — Time Division Multiple Access
• RMS — root mean square (preferred over "RMS")
• AAGDI — Automated Air Ground Data Interchange
• LCN — Load Classification Number
• AMVER — Automated Mutual-Assistance Vessel Rescue system
• ARINC 606 — Guidance For Electrostatic Sensitive Device Utilisation & Protection, Sup. 1
• NPS — Navigation Performance Scales
• NASA — National Aeronautics and Space Administration (US)
• HGT — Height
• ELT — Emergency Locator Transmitter
• MMR — Multi-Mode Receiver
• CRF — Central Repair Facility
• DR — Drifting (METAR descriptor)
• DMN — Data Multiplexing Network
• CFAR — Constant False Alarm Rate
• DABRK — Daybreak
• CI — China Airlines - Taiwan
• FOQA — Flight Operations Quality Assurance Programs

• ATHWARTSHIPS — At right angles to the centreline of the ship
• FDP — Flight Data Processing
• WO — World Airways, Inc
• ARINC 746 — Cabin Communications System, Supplement
• SASKI — Name of an ATS Route reporting point
• ARINC 421 — Guidance For Standard Subdivision of ATA Spec 100 Numbering System for Avionics
• Z — Zulu (Greenwich mean time)
• QF — Quality Factor
• RSPL — Recommended Spare Parts List
• NAVSAT — Navigation Satellite
• AFDK — After Dark
• AAIB — Air Accident Investigation Branch
• A&E — Architecture and Engineering
• FEP — Front End Processor
• AFFSC (E) — Air Forces Flight Safety Committee (Europe)
• OTV — Orbital Transfer Vehicle
• EIA — Extended Interaction Amplifier
• RTS — Return To Service
• CY — Cyprus Airways Ltd
• ADA — Advisory Area
• WSO — Weather Service Office
• GHZ — Gigahertz
• TDOP — Time Dilution of Precision
• ARINC 408A — Air Transport Indicator Cases And Mounting
• CASS — Continuing Analysis and Surveillance System
• ARINC 429 — Mark 33 Digital Information Transfer System
• VCO — Voltage Controlled Oscillator (Oscillation)
• GPRA — Government Performance and Results Act
• FEC — Forward Error Correction
• AILS — Automatic Instrument Landing System
• FCC — Flight Control Computer
• MAR — March
• GML — Geography Markup Language
• RD — Requirements Document
• RLLS — Runway Lead-In Light System
• LATA — Local Access and Transport Area
• EXER — Exercise
• VTS — Vessel Traffic Service
• MBPS — Megabits per second
• FRT — Freight
• HU — Hungary
• GOES — Geostationary Operational Environmental Satellite
• FIW — Free in wagon
• MECO — Main Engine Cutoff
• MSSR — Monopulse Secondary Surveillance Radar
• FACUTL — Facility Utilization System
• DLP — Data Link Processor
• DOS — United States Department of State
• DRAUGHT — Depth to which a ship is immersed in water
• UIR — Upper Information Region

• FQR — Formal Qualification Review
• 3D — Three Dimensional
• LY — El Al Israel Airlines
• ARINC 740 — Multiple-Input Cockpit Printer
• PRN — Pseudo-Random Noise
• IFPZ — IFPS Zone
• DARP(S) — Dynamic Airborne Route Planning (System)
• AIDC — Air traffic control Inter-Facility Ground Data Communications
• ASCP — Aviation System Capacity Plan
• CAA NZ — Civil Aviation Authority of New Zealand
• KM — Kilometer (1,000 meters)
• ISA — International Standard Atmosphere
• FAP — Final Approach Point
• VRS — Voice Response System
• AAF-1 — Director of Airway Facilities
• TLS — Target Level of Safety
• CIT — Compressor Inlet Temperature
• OVERBOARD — Over the side or out of the ship
• NIMA — National Imagery and Mapping Agency (became National Geospatial-Intelligence Agency|NGA)
• DA — Descent Advisor
• M/V — Merchant Vessel
• AAIB — Air Accidents Investigation Branch
• 1 PPS — One Pulse Per Second
• CPS — characters per second
• AWACS — Airborne Warning And Control System
• 5LNC — Five Letter Name Code
• DMU — Data Management Unit
• ARINC 574 — Passenger Announcement, Entertainment & Service Multiplex System
• FAC — Facilities
• ASDE-X — Airport Surface Detection Equipment - X (frequency) band
• TDD — Time Division Duplex
• CFWU — Central Flow Weather Unit
• FBO — Fixed-Based Operator
• HEX — Hexadecimal (base 16)
• IMG — Immigration
• APRT — Airport
• NRL — Naval Research Laboratory
• SSEC — Static Source Error Correction
• C-ATSU — Controlling ATS Unit
• BSC — Binary Synchronous Communication
• ARO — Air Traffic Services Reporting Office
• NRZ — Non-Return-To-Zero
• AVAIL — Available
• GLD — Glider
• MAINT — Maintenance
• EIS — Environmental Impact Statement (US)
• FE — Flight Examiner
• LB — Local Battery
• ALERFA — alert phase
• RTOS — Real-Time Operating System

• OBO — Ore/Bulk/Oil vessel
• BADA — Base of Aircraft Data ; Aircraft performance Data
• LRNS — Long-Range Navigation System
• PALLAS — Phased Automation of the Hellenic ATC System
• NEG — NEGative
• JCN — Job Control Number
• DES — Descend
• ANTHAM — Antwerp-Hamburg Range
• CASA — Civil Aviation Safety Authority
• V — Volt (measurement)
• FWAD — Fresh Water Arrival Draft
• NLA — New Large Aircraft
• ABM — Abeam
• NP — Network Protocol
• ALTRV — Altitude Reservation
• VGND — Ground Velocity
• BENDS — Both Ends (shipping)
• ARINC 596 — Mark 2 Airborne SELCAL System
• BBB — Before Breaking Bulk
• DTS — Dedicated Transmission Service
• EFAS — En Route Flight Advisory Service
• BWAD — Brackish Water Arrival Draft
• RTO — Rejected Take-Off
• LDI — Landing Direction Indicator
• PT — Total Pressure
• ACF — Area Control Facility
• AIMS — Airplane Information Management System
• DIR — Directory
• PTH — Path
• FSP — Flight Strip Printer
• AO — Aircraft Operator
• ACL — Altimeter Check Location
• CAT — Category (e.g. CAT-5 cable)
• 4D FMS — 4D Flight Management System
• AWIPS — Advanced weather Interactive Processing System (NOAA)
• RA — Resolution Advisory
• AOC — Airline Operation Control
• ATUTC — Actual Times Used to Count
• APS — Arrival Pilot Station
• NPRM — Notice Of Proposed Rule Making
• OPX — Off-Premises Exchange
• TO EPR — Takeoff Engine Pressure Ratio
• CMIP — Common Management Information Protocol (ATM)
• XM — External Master
• L/C — Letter of Credit
• TX / RX — Transmitter / Receiver
• VTOL — Vertical Take-Off & Landing
• AGHME — Aircraft Geometric Height Measurement Element
• ELVENT — Electric Ventilation
• QDM — Magnetic Heading

• NSSFC — National Severe Storms Forecast Center
• ERAM — En Route Automation Modernization
• EMAS — Engineered Materials Arresting System
• PBD — Place Bearing/Distance
• EVM — Earned Value Management
• FIR — Flight Information Region
• AJR — System Operations Services, Air Traffic Organization
• TBN — To Be Notified
• KCAS — Knots Calibrated Airspeed
• ADSY — Administrative Equipment Systems
• NTN — Network Terminal Number
• EADCOS — EAD Co-ordination Group
• T — Time
• DSPY — Display
• RP — Restoration Priority
• AP — Autopilot
• IAT — Investment Analysis Team
• ALSTG — Altimeter Setting
• HDLTSBENDS — Half Despatch Lay Time Saved Both Ends
• DALR — Digital Audio Legal Recorder
• SSR MODE S WG — Secondary Surveillance Radar Mode Selective WG
• RPP — Radiation Protection Program
• VCSS — Voice Communications Switching System
• SEQ — Sequence
• ADES — Aerodrome of Destination
• AIRS — Advanced Infrared Sounder
• ALT HOLD — Altitude Hold Mode
• FIT — Free In Trimmed
• NOTAMC — Notam Cancelling another Notam
• EV — every
• NORAC — No Radio Contact
• BCC — Battery Charge Controller
• SATSAR — Satellite-aided Search And Rescue
• AAP — Advanced Automation Program
• IAO — In And Out
• AT&T ASDC — At&t Agency Service Delivery Center
• ECG — En Route Communications Gateway
• ARINC 561 — Air Transport Inertial Navigation System - INS
• FMF — Facility Master File
• SITA — Société Internationale de Télécommunications Aéronautiques
• AIFSS — Automated International Flight Service Station
• VCCS — Voice Communication and Control System
• MAPT — Missed Approach Point
• REIL — Runway End Identification Light
• ASA — Airservices Australia
• PSN — Packet Switched Network
• AF — Air France
• IFTO — International Federation of Tour Operators
• AD — airworthiness directives (FAA)
• GNDCK — Ground Check

• FREE EXINS — Free of any Extra Insurance
• PALS — Precision Approach Lighting System
• HDG — Heading
• OPI — Office of Primary Interest
• TLV — Type-Length-Value
• DPI — Dots per inch.
• STANINE — Standard Nine Score
• SRV — Server
• EDF — Electricité de France
• ANP — Air Navigation Plan
• TT — Total Temperature
• NSW — No Significant Weather
• FPB — Flight Progress Board
• DPSK — Differential Phase Shift Keying
• EFTA — European Free Trade Association (Geneva)
• SO — Southern Airways
• FIOST — Free In/Out and Trimmed
• CPIC — Capital Planning and Investment Control
• IANSSC — IANS Steering Committee
• JMCT — Job Management Consultative Team [job analysis]
• ACNZ — Airways Corporation of New Zealand Ltd
• ARINC 745 — Automatic Dependent Surveillance, Supplement 1
• NTZ — No Transgression Zone
• NWS — National Weather Service (formerly U.S. Weather Bureau)
• BAREBOAT CHTR. — Bareboat Charter
• IROI — Instantaneous Return on Investment
• CDA — Continuous Descent Approach
• JTSO — Joint Technical Standard Order
• ADSP — Automatic Dependent Surveillance Panel
• NADSW — NADIN Switches
• ADA — Air Defense Area
• PSS — Packet Switched Service
• SNGL — Single
• AMS — Acquisition Management System
• DESP — Despatch
• ARINC 559A — Mark 2 Airborne HF SSB/AM System
• LTP — Landing Threshold Point
• PALPU — Pancyprian Airline Pilots Union
• F — Degrees Fahrenheit
• KBPS — kilobits per second
• GNSS — Global Navigation Satellite System
• TIAS — True Indicated Airspeed
• TMU — Traffic Management Unit
• LIFR — Low Instrument Flight Rules
• RSTD — Restricted
• QFU — Magnetic orientation or runway in use
• MOGAS — Motor Gasoline
• SM — Statute Mile
• NFPA — National Fire Protection Association
• ATMAC — Air Traffic Management Advisory Committee

• CLC — Course Line Computer
• CIRM — International Radio Maritime Committee
• XTRK — Cross Track Error
• SARSAT — Search and Rescue Satellite
• STTR — Small Business Technology Transfer
• MDO — Marine Diesel Oil
• DAF — Deliver At Frontier
• ECA — European Cockpit Association
• RPV — Remotely Piloted Vehicle
• AMASS — Airport Movement Area Safety System
• ADS — automatic dependent surveillance
• ADM — Aeronautical Decision Making
• FAA — Federal Aviation Authority
• ARINC 573 — Aircraft Integrated Data System Mark
• ATCSCC — Air Traffic Control System Command Center
• TEMP — Temperature
• BAHAMAS ALPA — Bahamas Airline Pilots Association
• DETRESFA — distress phase (lCAO)
• WOCL — Window of Circadian Low
• PERF — Performance
• EIB — European Investment Bank
• QTG — Qualification Test Guide
• CCIR — International Radio Consultative Committee (French Acronym)
• CNL — Cancel
• HAWOP — Helicopter All-Weather Operations Study Group
• TYPH — Typhoon
• ARINC 566A — Mark 3 VHF Communications Transceiver
• CX — Cathay Pacific Airways
• FPO — Flight Procedures Office
• HVAC — Heating, Ventilating, And Air Conditioning
• AFISO — Aerodrome Flight Information Service Officer
• EFQM — European Foundation for Quality Management's
• ETD — Estimated Time of Departure
• SIR — Screening Information Request
• EIRP — EffectiveIsotropic Radiated Power
• CPD — Continuous Professional Development
• IUAI — International Union of Aviation Insurers
• FTI — FAA Telecommunications Infrastructure
• ARINC 605 — Users Guide For ARINC 616 Avionics Subset Of ATLAS Language
• AAS — advanced automation system (FAA)
• FOD — Foreign Object Damage
• AVBL — available
• CNCL — Cancel
• FDIO — Flight Data Input/Output
• RSR — en-Route Surveillance Radar
• ADT — Air Data Tester
• SGI — Silicon Graphics Incorporated
• CTR — Container Fitted
• VPATH — Vertical Path
• ARINC 744 — Full Format Printer

• IISLS — Improved Interrogation Side Lobe Suppression
• VMC — visual meteorological conditions
• ARINC 415 — Operation/Technical Guidelines On Failure Warning and Functional Test
• FPS — Flight Progress Strip
• TOT — Total
• IAS — Indicated Air Speed
• TMA — Terminal Area
• CD-ROM — Compact Disk - Read Only Memory
• NASTEP — National Airspace System Technical Evaluation Program
• AWOG — All Weather Operations Group
• HAPI — Helicopter Approach Path Indicator
• ITSM — Information Technology Service Management
• LC — Local Control
• ABOARD — On or within the ship
• AVOL — aerodrome visibility operational level
• LEC — Local Exchange Carrier
• ARINC 609 — Design Guidance For Aircraft Electrical Power Systems
• HUD — Head-Up Display
• NMC — National Meteorological Center (US)
• POS REF — Position Reference
• TOD — Top of Descent
• XY — Ryan Air
• DOC — Document
• ARINC 566 — Airborne VHF Communications Transceiver And Mark 1 VHF SATCOM System
• DCS — Double Channel Simplex
• SN — Brussels Airlines
• OGC — Open Geospatial Consortium
• FCL — Flight Crew Licensing
• JUN — June
• SSAP — Source Service Access Point
• FADEC — Full Authority Digital Engine Control
• RUC — Rapid Update Cycle
• DEP — Depart
• AKARD — Available Knowledge And required system Research and Development
• GEADGE — German Air Defense Ground Environment
• LOI — Letter of Indemnity
• EST — Estimated Ship Time
• PER SE — By Itself
• SMR — Surface Movement Radar
• RTA — Required Time of Arrival
• SSR — Software Specification Review
• OO — Owners Option
• BOFFER — Best Offer
• IG — Inspector General (HHS)
• FSRM — Facility Security Risk Management
• TC — Transit Corridor
• CDR — Coded Departure Routes
• VS — Design Speed for Maximum Gust Intensity
• HX — No Specific working hours
• AOPA — Aircraft Owners and Pilots Association

• DITCO — Defense Information Technology Contracting Office (formerly DECCO)
• ACM — Airspace Control Measures
• CLG — Calling Line
• DATALINK — Digitized Information Transfer (air/ground)
• MCC — Maintenance Control Center
• IOT&E — Independent Operational Test and Evaluation
• ARINC 578 — Airborne ILS Receiver
• AIRPROX — The code word used in air traffic incident report to designate aircraft proximity
• CSD — Constant Speed Drive
• CONOPS — Concept of Operations
• TODA — Take-Off Distance Available
• AWOP — All Weather Operations Panel (ICAO)
• CAAFI — Commercial Aviation Alternative Fuels Initiative
• P&I — Protection and Indemnity insurance
• PPL — Private Pilot License
• AEFMP — Algeria, Spain, France, Maroc, Portugal Project
• SAS — Scandinavian Airline Systems
• FST — First
• NPR — National Performance Review (office)
• ACR — Atlantic Co-ordinated Route
• HALO — High Altitude, Low Opening (skydiving term)
• A01 — Automated Observation Without Precipitation Discriminator
• CZM — Conventional Zero Meridian
• TSE — Total System Error
• IM — Inner Marker
• RPR — Real Property Report
• IVSI — Instantaneous Vertical Speed Indicator
• EQPT — Equipment
• FOR — Free On Rail
• MMI — Marshall Management Instruction
• RMS ERROR — Root Mean Square error.
• SHEL — Software, Hardware, Environment, Liveware
• ITIL — Information Technology Infrastructure Library
• SU — Aeroflot Russian Airlines
• MNOP — Maximum Normal Operating Pressure
• ACSE — Application Control Service Element
• KT — Knots
• IW — Inside Wiring
• FIDS — Flight Information Display System
• ARINC 306 — Guidance For Designers Of Aircraft-Electronic Installations
• FCA — Free Carrier Alongside
• AFL — Actual Flight Level
• AAIM — Aircraft Autonomous Integrity Monitoring
• ASPH — Asphalt
• CRT — Choice Reaction Time
• EPCU — Electrical Power Control Unit
• AEA — Association of European Airlines
• CAS — Close Air Support
• LVL CHG — Level Change
• J2EE — Java 2 Enterprise Edition

• ATA — Airport Traffic Area
• LOE — Line Oriented Evaluation
• MNS — Mission Needs Statement
• ODAL — Omnidirectional Approach Lighting System
• SLEP — Service Life Extension Program
• ATFM — air traffic flow management
• IFSS — International Flight Service Station
• BROB — Bunkers Remaining on Board
• ATC-HMI — Air Traffic Control Human Machine Interface
• DHDATSBE — Despatch Half Demurrage on All Time Saved Both Ends
• LOCID — Location Identifier
• VSBY — Visibility
• DL — Downlink Message
• DETR — Department of the Environment, Transport and the Regions
• SALS — Short Approach Lighting System
• PTR — Program Technical Report
• PASTUS — Past Us
• OH — Operational Handbook
• ACLT — Actual Landing Time Calculated
• ATSAP — Air Traffic Safety Action Program
• VCMIN — Active Minimum Control Speed
• RSYD — Release Subject to Your Discretion
• EGPWS — Enhanced Ground-Proximity Warning System
• TI — Texas International
• KE — Korean Airlines
• NSAP — Network Service Access Point
• RMK — Remark
• AJW — Technical Operation Services, Air Traffic Organization
• UAT — Universal Access Transceiver
• AOC — Aerodrome Obstacle Chart
• CDV — Compressed Digital Video
• NCAR — National Center for Atmospheric Research (US)
• LGT — Light
• ODIF — Open Document Interchange Format
• ADLY — Arrival Delay
• AIT — Automated Information Transfer
• LON — Longitude
• A/C — Aircraft Commander
• ASP — Arrival Sequencing Program
• DIP — Drop and Insert Point
• MOD — Memorandum of Decision
• EFMS — Experimental Flight Management System
• DVD — Dual View Display
• PELA — Proficiency test in English Language for ATCOs
• ASDA — Accelerate-Stop Distance Available
• CAEM — Commission for Aeronautical Meteorology (WMO)
• NPA — Non Precision Approaches
• VCR — Visual Control Room
• ARPA — Advanced Research Project Agency's
• OP — Operational

• DNSTRM — Downstream
• MOC — Memorandum Of Cooperation
• PAWES — performance assessment and workload evaluation
• TDWR — Terminal Doppler Weather Radar
• DR — Disaster Recovery
• ARPL — ADEXP Format Repetitive Flight Plans Message
• PRKG — Parking
• ABAS — Aircraft-based Augmentation System
• FSYS — Flight Service Station Equipment Systems
• MDA — McDonnell-Douglas Aerospace
• DZ — Drizzle
• CPCS — Consolidated Production Control System
• UAB — Until Advised By
• PHINOM — Nominal Bank Angle
• AZM — Azimuth
• DAPS — Days all Purposes
• AAOSA — Always Afloat or Safe Aground
• AFIS — Airport Flight Information Service
• AY — Finnair, Oyj - Finland
• ULR — Ultra Long Range
• JUL — July
• RMU — Radio Management Unit
• AEP — FAA Office of Aviation Policy Planning and Environment
• DMSH — Diminish
• PRORES — Problem Resolution
• FIO — Free In/Out
• F&E — Facilities and Equipment
• EVAS — Enhanced Vortex Advisory System
• AATF — Airworthiness Assurance Task Force
• IANS — Institute of Air Navigation Services
• APC — Aeronautical Passenger Communication
• OAT — Outside Air Temperature
• FRQ — Frequent
• GENOT — General Notice
• TSNT — Transient
• C-ATSU — Current Air Traffic Services Unit
• GNLU — GNSS Navigation and Landing Unit
• ACAS — Airborne Collision Avoidance System
• ARMATS — State Closed Joint-Stock Company of Armenian Air Traffic Services
• DEG — Degree
• PHPD — Per Hatch Per Day
• ACCS — Air Command and Control System
• CAP — Combat Air Patrol
• AVI — Audio/Video Interleaved Format
• EAD — Earliest Arrival Date
• ARINC 591 — Quick Access Recorder For Aids System
• JPDA — Joint Probabilistic Data Association
• AOR-E — Atlantic Ocean Region East
• CPE — Customer Premise Equipment
• REQ — Request

• XNG — Crossing
• CHTRS — Charterers
• AUTONAV — Auto-Navigation
• RBP — Radar Bypass Processor
• APPA — Asociacion Profesional de Pilotos Aviadores de Costa Rica
• DNSLP — Downslope
• LAAS — Local Area Augmentation System
• EFSTS — Electronic Flight Strip Transfer System
• HST — Hypersonic Transport
• MSDA — Material Safety Data Sheet
• ITI — Interactive Terminal Interface
• MTD — Moving Target Detection
• FREQ — Frequency
• ADZ — Advise
• AFIL — Air Filed Flight Plan
• MTI — Moving Target Indicator
• ATLC — Atlantic
• AFDS — Autopilot Flight Director System
• DRFT — Drift
• WFTU — World Federation of Trade Unions
• ATS — Air Traffic Services
• FILO — Free In/Liner Out
• SVN — Satellite Vehicle Number
• WSW — West-South-West
• CART — Classification And Regression Tree (method In Statistical Analysis)
• METAR — Meteorological Terminal Aviation Routine Weather Report
• ALPA — Japan Air Line Pilots Association of Japan
• CSS — Central Site System
• IFO — International Field Office
• 1 :1 — One-to-one relationship
• COV — Cover
• SARPS — Standards and Recommended Practices
• C&A — Certification and Accreditation
• PROM — Programmable Read Only Memory (chip)
• LUX — Findel International Airport, Luxembourg-Findel, Luxembourg
• CNVTV — Convective
• SPAS — Safety Performance Analysis System
• DOF — Date of Flight
• FEB — February
• ALTM — Altimeter
• RPC — Restoration Priority Code
• A/A — Air/Air
• FOFFER — Firm Offer
• PFL — Planned Flight Level
• ACAA — Air Carrier Association of America
• CEQ — Council on Environmental Quality (U.S.)
• AALPBH — Association of Airline Pilots in Bosnia & Herzegovina
• DAR — Designated Agency Representative
• CPC — Certified Professional Controller
• ADIZ — Air Defence Identification Zone

• MHA — Minimum Holding Altitude
• SDP — Service Delivery Point
• SSM — Sign Status Matrix
• ATM — Air Transportation Management
• VRB — Variable
• AOV — Air Traffic Safety Oversight Service
• MAUW — Maximum All Up Weight
• CSIS — Centralized Storm Information System
• ARP — Aerospace Recommended Practice
• MLDT — Mean Logistic Down Time
• FACC — Feature and Attribute Coding Catalogue
• ADCOM — Address Commission
• CG — centre of gravity
• DPTH — Depth
• ARINC 743 — Airborne Global Positioning System Receiver
• SWAP — Severe Weather Avoidance Program
• E M — signalling
• AMSS — Aeronautical Mobile Satellite Service
• RFL — Requested Flight Level
• CAVOK — Clouds and Visibility OK
• LZ — Balkan Bulgarian Airlines
• ARINC 576 — Mark 4 Subsonic Air Data System
• V1 — Take-Off Decision Speed
• ADZY — Advisory
• CRAF — Civil Reserve Air Fleet
• FMC — Federal Maritime Commission's
• AARA — Amsterdam-Antwerp-Rotterdam Area
• RNAV — Random Navigation Area Navigation
• ARSR — Air Route Surveillance Radar
• ASYNC — Asynchronous
• GEO — Geographic
• RMI — Radio Magnetic Indicator
• ATLAS — Air Traffic Land and Air Study
• OGE — Operational Ground Equipment
• TWY — Taxiway
• VG — Ground Velocity
• SBGP — State Block Grant Program
• AFO — Airport Field Office
• FP — Free Pratique
• BSS — Basis
• A/I — Accident/Incident
• GRT — Gross Registered Tonnage/Tons
• CNTRLN — Centerline
• AAA — Amended meteorological message
• ASE — Altimetry System Error
• AUTOCAD — Automatic Computer Aided Design
• NW — Northwest Airlines
• AFTN — Automated Fixed Telecommunications Network
• EU-FCL — EASA Flight Crew Licensing
• NADA — NADIN Concentrator

• MTTRP — Mean Time to repair product
• QUIS — Questionnaire for User Interface Satisfaction
• ATCT — Airport Traffic Control Tower
• ASLAR — Aircraft Surge Launch And Recovery
• LH — Lufthansa German Airlines
• LVB — Luchtverkeersbeveiliging
• EIU — Even If Used
• BN — Booking Note
• AIRAC — Aeronautical Information Regulation and Control
• SARP — Signal Automatic Radar Processing
• OFT — Outer Fix Time
• ETE — Estimated Time En Route
• APDSG — Airspace Planning & Development Sub-Group
• HHMM — Hours and minutes
• ECAR — European Civil Aviation Requirement
• IFOR — Implementation Force
• FRZN — Frozen
• ECS — Environmental Control System (Subsystem)
• NAT NAM — North Atlantic / North America
• ITMRA — Information Technology Management Reform Act (Part of the Clinger-Cohen Act)
• LDG — Landing (aviation)
• CRN — Crane
• DEM — Digital Elevation Model
• ICAO — International Civil Aviation Organisation
• ARR — Arrive
• FPM — Feet Per Minute
• AECB — Atomic Energy Control Board
• ARINC 608 — Standard Modular Avionics Repair And Test System
• FAL — Final Assembly Line
• WGS 84 — World Geodetic System 1984
• EXTRM — Extreme
• JD TF — Job Description Task Force
• ATAF — Allied Tactical Air Force (NATO)
• TCP / IP — Transmission Control Protocol / Internet Protocol
• RCH — Reach
• HG — Mercury (Latin Hydrargyrum)
• AITS — Automated Inventory Tracking System
• OVC — Overcast (METAR Code)
• RCP — Radio Control Panel
• HSI — Horizontal Situation Indicator
• VASIS — Visual Approach Slope Indicator System
• SSW — South-South-West
• COT — At the Coast
• A/S — Alongside
• FEU — Forty-Foot Equivalent Unit
• ID — IDentifier
• MTOW — Maximum Take-off Weight
• BI — Both inclusive
• ARINC 602 — Test Equipment Guidance
• COE — Center of Excellence

• BASE AM — Base Arrival Manager
• IAR — Intersection of Air Routes
• ESEWD — East-Southeastward
• OWS — Owners
• ADLP — Aircraft Data Link Processor
• CWAR — Continuous Wave Acquisition Radar
• RSLS — Receiver Side Lobe Suppression
• PFR — Probability of Failure Repair
• ACS — airspace control system
• CD — Candela
• ATILO — Administrative Tribunal of the International Labour Organisation
• ADIC — ATS Interfacility Data Communications
• ALCE — Airlift Control Element
• DG — Directional Gyroscope
• CEC — Commission of the European Communities ;
• RNP-10 — Required Navigation Performance
• QBI — Compulsory IFR flight
• GFP — Government Furnished Property
• IR — Ice on Runway
• BYD — Beyond
• DABS — Discrete Address Beacon System
• QUAD — Quadrant
• DEIS — Draft Environmental Impact Statement (US)
• EEC — Eurocontrol Experimental Centre
• ARINC 742 — Design Guidance For Windshear Warning and Guidance Equipment
• BELOW — Beneath the deck
• PTUL — Pilots Trade Union of Latvia
• AMSSP — Aeronautical Mobile Satellite Service Panel
• NAILS — National Airspace Integrated Logistics Support
• IRM — information resource management
• JURG — Joint Users Requirements Group
• IAASM — International Academy of Aviation and Space Medicine
• VASI — Visual Approach Slope Indicator
• PALPA — Pakistan Air Line Pilots' Association
• ODS — Operational Data Store (knowledge management)
• DGELG — Dangerous Goods European Advisory Group
• DF — Direction Finder (Finding)
• ATIS-B — Automatic Terminal Information Service - Broadcast
• HDWTS — Half Despatch Working Time Saved
• NCD — No Computed Data
• STWL — Stopway Lights
• ECPIC — Electronic Capital Planning Investment Control
• GLOSS — Global Sea Level Observing System (of IOC)
• RSC — Rescue Sub Centre
• AOM — Aircraft Operating Manual
• P — Procedure-Required Tuned NAVAID
• ALPA-FYROM — Air Line Pilots Association of The Former Yugoslav Republic of Macedonia
• SHL — Saville and Holdsworth Ltd
• PCA — Propulsion Controlled Aircraft
• CWY — Clearway

• VC — Design Cruising Speed
• BR — Eva Airways Corporation
• DEGS — Degrees
• OAG — Official Airline Guide
• ETC — Estimated Time of Completion
• FSCAP — Flight Safety Critical Aircraft Parts
• RWY — Runway
• TBS — To Be Supplied(by government)
• CMA — Context Management Application
• ASPW — Any Safe Port in the World
• FZL — Freezing Level
• FSK — Frequency Shift Keying
• MIRACULIX — Multi Interface Radarformat Calculator and
• AAME — Association of Aviation Medical Examiners
• FIN — Finnair Oyj, Finland
• CARATS — Collaborative Actions for Renovation of Air Traffic Systems
• OK — Czech Airlines
• BAA — British Airport Authority
• FO — For Orders
• BASE — Cloud base
• HSM — High Speed Modem
• AIG — Airbus Industries Group
• IOSA — Iata Operational Safety Audit
• AOCC — Atlantic Operations Control Center
• STAC — Second Time Around Clutter
• JAN — January
• OMI — Organisation Maritime Internationale (French: International Maritime Organization; UN)
• FG — Fog Gun
• IDENT — Identification
• BKN — Broken Sky (METAR Code)
• GADO — General Aviation District Office
• V&V — Validation & Verification
• GICB — Ground Initiated Comm B Protocol
• AEV — Annual Equivalent Value
• ACAMS — Aircraft Condition Analysis and Management System
• CACRC — Commercial Aircraft Composite Repair Committee
• OTR — Oceanic Transition Route
• OMEGA — Very Low Radio Navigation System
• TYP — Aircraft Type
• CUF — Cumuliform
• ACSA — Allied Communications Security Agency
• SNDCF — Subnetwork Dependent Convergence Facility
• CWP — Controller Working Position
• CFP — Cold Front Passage
• INM — Integrated Noise Model
• NAWAU — National Aviation Weather Advisory Unit
• TMC — Traffic Management Coordinator
• ALPAP — Air Line Pilots Association of the Philippines
• B&H — Bosnia & Herzegovina
• BRA — Bearing, Range and Altitude

• AI — Application Interface
• ARF — Airport Reservation Function
• LIM — Limit
• FHEX — Fridays/Holidays Excluded
• LOS — Line-Oriented Simulation
• SRZ — Special Rules Zone
• AMA — Area Minimum Altitude
• BRF — Brief
• AMIS — Aircraft Management Information System
• COB — Closing of Business
• IFE — In-Flight Emergency
• AEREA — Association of European Research Establishments in Aeronautics
• RCLS — Runway Centerline Lighting System
• IFRB — International Frequency Registration Board of the International Telecommunication Union
• COP — Custom of Port
• BRM — Barometer
• FRG — Federal Republic of Germany's
• BUNKERS — Name given for vessels Fuel and Diesel Oil supplies
• SNPA — Subnetwork Point of Attachment
• FIX — position in space usually on aircraft’s flight plan
• ARINC 585 — Electronic Chronometer System
• FGS/C — Flight Guidance System/Computer
• PRP — Pulse Repetition Period
• EHSI — Electronic Horizontal Situation Indicator
• HUM RES — Human Resources
• ESCO — Executive Support and Coordination Office
• DER — Departure End of the Runway
• CNS/ATM-1 — Communication, Navigation and Surveillance / Air Traffic Management Package 1
• ABDIS — Automated Data Interchange System Service
• LRU — Line Replacement Unit
• FPAP — Flight Path Alignment Point
• FPLMTS — Future Public Land Mobile Telecommunications System
• TWIP — Terminal Weather Information for Pilots
• IVRS — interim voice response system
• PROC — Procedure
• CLT — Calculated Landing Time
• SRMDM — Safety Risk Management Memo
• AAPA — Association of Asia Pacific Airlines
• SSR MODE S — Selective Address SSR
• RTQC — Real Time Quality Control
• PABX — Private Automated Branch EXchange (company Phone System)
• DF — Direction Finding or Finder
• CRAM — Conditional Route Availability Message
• ERIP — EAD Remote Interface Package
• RTC — Radio Transmission Control
• RID — review item description
• AOC — Aircraft Operations Centre
• GDLP — Ground Data Link Processor
• SMPS — Sector Maintenance Processor Subsystem
• CENRAP — Center Radar ARTS Presentation

• DEM — German mark
• HTZ — Helicopter Traffic Zone
• RPL — Repetitive Flight Plan
• DA — Disbursement Account
• IAPL — IFPS APL Message
• DRDF — Digital Readout Direction Finder
• RAPPI — Radar Access Plan Position
• FD — Free Discharge
• MTA — Military Training Area
• PTT — Press to Talk
• ALRS — Alerting Service
• MODE C — Altitude Reporting Mode of Secondary Radar
• ADZD — Advised
• ERSS — Eurocontrol Radar Surveillance Standard
• CNDN — Canadian
• MTCD — Medium Term Conflict Detection
• SEMP — Software Engineering Management Plan
• SRQ — Slot Request
• ARINC 750 — VHF Data Radio
• EB — Eastbound
• FOQ — Free On Quay
• ESDI — Enhanced Small-Device Interface
• SATCAS — Selenia Air Traffic Control Automated System
• HI FI SIM — High-Fidelity Simulator
• ARINC 751 — Gate-Aircraft Terminal Environment Link - Aircraft Side
• LCGS — Low Cost Ground Surveillance Radar
• AAC — Airline Administrative Communication
• AFTIL — Airway Facilities Tower Integration Laboratory
• COCESNA — Central American Corporation for Air Navigation Services
• PIREP — Pilot Report
• FLIDRAS — Flight Data Replay and Analysis System
• DATAC — Digital Autonomous Terminal Access Communication
• ATCO — Air Traffic Control Officer
• EOF — Emergency Operating Facility
• A — Aeroplane
• ISLS — Interrogation Side Lobe Suppression
• HIRL — High Intensity Runway Lights
• ACCT — Accounting Records
• IAR — Investment Analysis Report
• ETN — Electronic Telecommunications Network
• EFPM — Extended Flight Plan Message
• GO — Gas Oil
• ATCI — Airport ATC and Information systems
• TODAH — Take Off distance available, helicopter
• SUPSIS — Supervisor
• DRCP — Data Reduction Computer Program
• IMAL — Integrity Monitoring Alarm Limit
• ADVY — Advisory
• NEXRAD — Next Generation Weather Radar
• CTSKLS — Catskills

• ADS-B — Automatic Dependent Surveillance-Broadcast
• DP — Dewpoint Temperatue
• LDR — Labor Distribution Reporting
• ASIAS — Aviation Safety Information Analysis and Sharing
• OSA — Operational Safety Assessment
• SSR — secondary surveillance radar (ICAO/FAA)
• SFPL — System Flight Plan Processing
• CFIT — Controlled Flight into Terrain
• AVHRR — Advanced Very High-Resolution Radiometer
• UTC — Universal Time Coordinate
• COMCO — Command Communications Outlet
• ROC — Regional Operations Center (NATO)
• NCB — National Cargo Bureau
• EXPLT — Extrapolate
• DASI — Digital Altimeter Setting Indicator
• CNS/ATM — Communication, Navigation and Surveillance / Air Traffic Management
• MTR — Military Training Route
• NAAQS — National Ambient Air Quality Standards (US)
• MTW — Mountain Waves
• AIG — Accident Investigation & Prevention
• FIOT — Free In/Out and Trimmed
• CHI — Computer-Human Interface
• PD — Profile Descent
• IGFET — Insulated Gate Field Effect Transistor
• IMPR — Improve
• CDD — Corporate Data Dictionary
• MB — Merchant Broker
• DFRT — Deadfreight
• ONC — Operational Navigation Chart
• ARAG — Amsterdam Rotterdam Antwerp Gent Range
• POS INIT — Position Initialization
• ASQP — Airline Service Quality Performance
• LYR — Layer
• PCN — Project Control Number
• MMEL — Master Minimum Equipment List
• EL — Electro-Luminescent
• SESMA — Special Event Search and Master Analysis
• DFI — Direction Finding Indicator
• BSS — Best Signal Selection
• NPDU — Network Protocol Data Unit
• TSRV — Transport System Research Vehicle
• NGA — National Geospatial-Intelligence Agency (formerly National Imagery and Mapping Agency; US government)
• CUP — Computer Utility Program
• ACCID — Notification of an aircraft accident
• C/S — Call Sign
• ITWS — Integrated Terminal Weather System
• A/N — Arrival Notice
• OIS — OGE Input Simulator
• SVCBL — Serviceable
• FTS — Federal Telecommunications System

• ALSF — Approach Lighting System With Sequenced Flashing Lights
• ETVCT — En Route Training Voice Communication Tool
• APA(CV) — Air Line Pilots Association (Cape Verde)
• ACL — Air Traffic Control Clearance
• AVSI — Aerospace Vehicle Systems Institute
• XPNDR — Transponder
• DYSIM — Dynamic Simulator
• MALPA — Mauritius Air Line Pilots Association
• ILO — International Labour Organisation
• ETO — Estimated Time Over
• WND — Wind
• CEATS — Central European Air Traffic Services
• A/H — Altitude/Height
• EDS — Enterprise Database System
• OBST — Obstacle
• ATOS — Air Transportation Oversight System
• ATCRB — Air Traffic Control Radar Beacon
• BANS — BRITE Alphanumeric System
• NDI — Nondestructive Inspection
• SVVP — Software Verification and Validation Plan
• WMSCR — Weather Message Switching Center Replacement
• TAU — Range / Range rate
• SSFDR — Solid-State Flight Data Recorder
• AFIZ — Aerodrome Flight information Zone
• LOW — Last Open Water
• ASC — AUTODIN Switching Center
• LAYCAN — Layday Cancelling Date
• VOT — VOR airborne equipment test facility
• ADREP — Aircraft Accident/Incident Data Reporting System
• LMM — Compass locator at the middle marker
• N1 — Gas generator speed
• NADIN — National Airspace Data Interchange Network
• ADSEL — Address Selective SSR System
• GES — Ground Earth Station
• CMSA — Carrier Sense Multiple Access
• SMT — station management (protocol)
• DTU — Data Terminating Unit
• NBAA — National Business Aircraft Association
• DEL — Delete
• HBN — Hazard Beacon
• HIDE — Harmonised, Integrated Development Environment
• CPCS — Cabin Pressure Control System
• MTBR — Mean Time Between Replacement
• SF — Special Freighter
• ARINC 413A — Guidance For Aircraft Power Utilisation And Transient Protection
• ATDS — Airborne Tactical Data Systems (USN)
• DFDR — Digital Flight Data Recorder
• VTR — Variable Takeoff Rating
• TWG — Training Working Group
• TOPL — Take Off Performance Limits

• PREV — Previous
• IVSR — Interim Voice Switch Replacement Program
• CPF — Central Processing Facility
• FRA — Flap Retraction Altitude
• NRZI — Non Return to Zero Inverted magnetic tape bpi
• PAA — Plot Accuracy Analysis
• FRS — Functional Requirements Specifications
• AFAST — Active Final Approach Spacing Tool
• CAOFA — Co-ordination of Air Operations in the Forward Area
• TROP — Tropopause
• OFZ — Obstacle Free Zone
• FFM — Free Flight Mode
• CSMC — Cyber Security Management Center
• FPA — Flight Path Angle
• NMCS — Network Monitoring and Control System
• CUPS — Consolidated Uniform Payroll System
• FEW — Few
• ADIS — Automatic dependent surveillance and Data Link Interim System
• DDM — Difference in Depth of Modulation
• OIG — Office of the Inspector General
• IU — If Used
• APN — apron
• VTOL — Vertical Takeoff And Landing
• SUC — Start-Up Controller
• VOM — Volt-ohm-milliammeter
• NCW — Non Conformance Warning
• ASPM — Aviation System Performance Metrics
• EXTD — Extend
• RAPNET — Regional ATC Packet switched Network
• VAQ — VHF Avionics Qualification
• AVGAS — Aviation Gasoline
• CRT — Cargo Retention Clauses
• CLKWS — Clockwise
• REACT — Rain Echo Attenuation Compensation Technique
• BRL — Building Restriction Line
• AOA — Airport Operations Area
• APATSI — Airport / Air Traffic Systems Interface
• CFCS — Central Flow Control Service
• TDM — Total Delay in Minutes
• CYTA — Cyprus Telecommunications Authority
• VSO — Stalling Speed in the Landing Configuration
• AAH — Autonomous Aircraft Hybrid
• LAHSO — Land And Hold Short Operation
• WTC — Wake Turbulence Category
• RAPCO — Radar Approach Control
• VNO — Maximum structural cruising speed
• CBFT — Cubic Feet
• AATT — Advanced Aviation Transportation Technology
• RMNDR — Reminder
• EATCHIP — European Air Traffic Control Harmonisation and Integration Programme

• AT&T CSA — At&t Customer Support Associate
• ASI — Aviation Safety Inspector
• ESERN — East-Southeastern
• BA — Barometric Altitude
• CP — charter-party
• ESRI — Environmental Systems Research Institute (developer of geographic information systems (GIS) software, Redlands, California)
• FIXM — Flight Information Exchange Model
• CRMCS — Central RADNET Monitoring and Control System
• OT&E — Operational Test and Evaluation
• ATFMU — Air Traffic Flow Management Unit
• EUROCONTROL — European Organisation for the Safety of Air Navigation
• AACC — Airport Associations Co-ordinating Council
• CPL — Commercial Pilots License
• TKX — Crosstell Tracker
• FPPU — Flight Planning and Flight Progress Updating
• AFMT — Airway Facilities Management Team
• OATS — Orbit and Attitude Tracking
• PA — Pan American Airways
• ARINC 577 — Audible Warning System
• AFM — Aeroplane Flight Manual
• GEOREF — Geographical reference
• B/C — Benefit/Cost
• FDFMG — Flight Data and Flow Management Group
• TLA — Title Line Area
• NTAP — Notice to Airman Publication
• TDO — Tornado
• NB — NorthBound
• SOPA — Standard Operating Procedure Amplified
• NYPE — New York Produce Exchange
• IUHTAUTC — If Used, Half Time Actually To Count
• FPF — Flight Plan Fallback
• FIRE — Fire Station
• LCTD — Located
• EOPF — Electronic Official Personnel File
• EARS — En Route Analysis and Reporting System
• ARINC 404A — Air Transport Equipment Cases And Racking
• ACEP — Airport Capacity Enhancement Plan
• C/A CODE — Course / Acquisition Code
• AP — Airport Protection
• PRN CODE — Pseudo Random Noise Code
• HHMMSS — hour-hour / minute-minute / second-second
• RE — Resident Engineer
• AFD — Airport Facility Directory
• ATIS — Automatic Terminal Information Service
• AIM — Aeronautical Information Management
• CAEG — Computer-aided Engineering Graphics
• IFPS — Integrated Initial Flight Plan Processing System
• IHST — International Helicopter Safety Team
• APM — approach path monitor
• UHF — Ultrahigh Frequency

• TVE — Total Vertical Error
• TMG — Tourig Motor Glider
• EGT — Exhaust Gas Temperature
• FPA — Focal Plane Array
• WHO — World Health Organisation
• RCL — Runway Centreline Lighting
• HDG SEL — Heading Select
• SATCOM — Satellite Communication
• WRNG — Warning
• ATCA — Air Traffic Control Association, Inc.
• CWBS — Contract Work Breakdown Structure
• TRK — Track
• AOCI — Airport Operators Council International
• ARFF — Aircraft Rescue and Fire Fighting
• AEE — FAA Office of Environment and Energy
• GENOFIC — General North Sea Flight Information Centre
• NATMC — NATO Air Traffic Management Committee
• MSK — Minimum Shift Keying
• FIP — Facility Improvement Program
• JTIDS — Joint Tactical Information Distribution System (djay-tidz)
• ATAS — Airspace and Traffic Advisory Service
• AWSS — Automated Weather Sensors System
• DPNG — Deepening
• SSRBRIGH — Highlight set code to target
• ARINC 757 — Cockpit Voice Recorder
• ADVO — Administrative Voice
• A/G — Air/Ground
• HUMS — Health and usage monitoring systems
• STCA — Short Term Conflict Alert
• ATR — Air Traffic Requirements
• ANM — ATFM Notification Message
• FEIS — Final Environmental impact statement (US)
• FSF — Flight Safety Foundation
• VMAX — Basic Clean Aircraft Maximum CAS
• FLAS — Flight Level Allocation System
• DRK — Derrick
• AID — Airport Information Desk
• LDB — Limited Data Block
• CDRL — Contracts Data Requirements List
• CDR — Cost Detail Report
• OUNS — Operational Navigation System
• DFTI — Distance-from-Touchdown Indicator
• HELIOPS — Helicopter Operations Panel
• VAP — Visual Aids Panel
• PRQ — Pilot Request
• MUDPIE — Multiple User Data Processing Interactive Environment
• TWT — Travelling Wave Tube
• ARINC 748 — Communications Management Unit
• CTAM — Climb to and Maintain
• CAPSIN — CAA Packet Switched Integrated Network

• APMS — Automated Performance Measurement System
• DVOR — Doppler Very High Frequency Omni Directional Range
• DABBS — DITCO Automated Bulletin Board System
• RIMS — Runway Incursion Monitoring System
• SFOR — UN Stabilisation Force (in Bosnia And Herzegovina)
• SUR — Surveillance
• A/L — Anti-ice
• AASR — Aging Aircraft Safety Rule
• FISO — Flight Information Service Officer
• NCF — National Control Facility
• ASN — Advance Shipment Notice
• AP — Airport Plaza
• HV — Transavia Airlines CV
• CIDIN — Common ICAO Data Interchange Network
• ABOVE DECK — On the deck
• EFDP — European flight data processing(Eurocontrol)
• IRCAS — Intranet Radio Coverage Analysis System
• ATCO — Air Traffic Controllers Organization
• PMA — Parts Manufacturer Approval
• HEL — Helicopter
• RGS — Remote Ground Station
• STA — Scheduled Time of Arrival
• FIG — Flight Inspection Group
• KECU — Thousands of European Currency Units
• MTRAQ — Multi track quality
• REA — Ready Message
• FAN — False Alarm Normaliser
• FDPS — Flight Data Processing System
• ERIDS — En Route Information Display System
• AFMS — Automatic Flight Management System
• ARINC 528 — Airborne Tape Recorder
• EFL — Entry Flight Level
• PAAST — Pan American Aviation Safety Team
• SS — Sunset
• HWP — Holding Waypoint
• AFFREIGHTMENT — The hiring of a ship in whole or part
• FDC — Flight Data Company
• IAM — Institute of Aviation Medicine
• INBD — Inbound
• COBALT — Common Objective Alignment Team
• CNSP — Consolidated NOTAM System Processor
• BTC — Basic Training Course
• DOM — Domestic
• ALRS — Approach Lighting System
• FDESP — Free Despatch
• ATTIS — AT&T Information Systems
• CGL — Circling Guidance Lights
• LECT — Lecture
• ALF — Aloft
• EDDA — Environmental Due Diligence Audit

• BASE AMD — Base Arrival Manager Display
• ADTN — Administrative Data Transmission Network
• MSAW — Minimum Safe Altitude Warning
• LO — Low
• HURCN — Hurricane
• PANS — Procedures for Air Navigational Services
• SOF — Stand-alone Operations Facility
• HS-DTS — High Speed Data Transmission System
• FPCP — Flight Path Control Point
• FPI — Fluorescent Penetrate Inspection
• BA — Budget Analyst
• PROB — probability
• DMR — Data Modification Request
• GRD — Geared
• GRI — General Rate Increase
• RMMC — Remote Maintenance Monitoring and Control
• SURVITE — Surveillance Integrated Tested for EATMS
• CRCO — Central Route Charges Office
• AFM — Affirmative Fair Housing Marketing
• ISPS — International Ships and Port Security system
• ARST — Arresting specify aircraft arresting
• ACRP — Airport Cooperative Research Program
• RDVS — Rapid Deployment Voice Switch
• SNPL — Syndicat National des Pilotes de Ligne
• FHINC — Fridays/Holidays Included
• ADL — Aeronautical Data-Link
• CMPL — complete
• EVS — Enhanced Visual System
• ATFMS — Air Traffic Flow Management System
• CESAR — Course Evaluation Sheets Analysis and Reporting
• FMU — Flow Management Unit
• ASCII — American Standard Code for Interface and Interchange
• ATMAS — Air Traffic Management Automated System
• ISSCA — Information Systems Security Certification Agent
• 4D — Four-Dimensional
• DOI — United States Department of Interior
• FWDD — Fresh Water Departure Draft
• LIH — Light Intensity High
• ALPA-SA — Air Line Pilots Association - South Africa
• UAP — User Application Profile
• JAI — Joint Acceptance Inspection
• CAI — Contractor-Acceptance Inspection
• MTOM — Maximum Take-Off Mass
• ASTA — Airport Surface Traffic Automation
• ACDMD — Air Collaborative Decision Making Demonstrator
• AST — FAA Office of Commercial Space Transportation
• TARE — Telegraphic Automatic Relay Equipment
• ELNGT — Elongate
• ACCC — Australian Competition Consumer Commission
• AEGIS — Airborne Early Warning Ground Environment Integrated Segment

• MAA — maximum authorized IFR altitude
• ST&E — Security Test and Evaluations
• OSH — Open Shelter Deck
• LRR — Long Range Radar or Low Cost Radar
• DFS — Detailed Functional Specification
• AODR — Authorizing Official Designated Representative
• AAD — Assigned Altitude Deviation
• ATSU — Air Traffic Services Unit
• RDPS — Radar Data Processing System
• BTL — Between layers
• DO — Diesel Oil
• PSDN — Public Switched Data Network
• HF — Human Factors
• HDOT — Inertial Vertical Speed
• ATCCC — Air Traffic Control Command Center
• CEI — Cabin Equipment Interfaces
• CASOR — Civil Area Services Operations Room
• OCS — Oceanic Control System
• ARINC 414 — General Guidance For Equipment And Installation Engineers
• USOAP — Universal Safety Oversight Audit Program
• V/STOL — Vertical or Short Take-Off and Landing
• EIF — Extended Interface Function
• ACH — Air traffic control Flight Plan Change
• GDE — Ground Delay Enhancements
• APB — APATSI Project Board
• IFL — Intermediate Flight Level
• FAL — Facilitation of International Air Transport
• VSAT — Very Small Aperture Satellite Terminal
• CRM — Crew Research Management
• COBLDN — Closing of Business London
• TCAS — Traffic Alert and Collision Avoidance System
• MMPI — Minnesota Multiphase Personality Inventory
• CMIC — Civil-Military Interface Standing Committee
• LYCN — Layday Cancelling Date
• FLTCK — Flight Check
• MODIS — moderate-resolution imaging spectrometer (NASA/GSFC)
• ACPO — Aircraft Position Operator
• CPL — Customer Priority Listing
• CRE — Class Rating Examiner
• CFMU — Central Flow Management Unit
• CAST — Certification Authority Software Team
• DOI — Department Of Industry
• ACO — Airspace Co-ordination Order
• CEW — Civil Engineering Works
• DEV — Deviation
• TO NL — Takeoff Engine Fan Speed
• EX GDR — ex German Democratic Republic
• TEMPO — Temporary
• EXP — Expect
• CATCO — Chief ATC Operations

• AO — Airlines Operator
• CASTLE — Consolidated Automated System for Time and Labor Entry
• FLM — Front Line Manager
• ATOMS — Air Traffic Operations Management System
• TSG — Training Sub-Group
• ACT — William J. Hughes Technical Center
• D&D — Distress and Diversion
• PCB&T — Personnel Compensation Benefits and Travel
• DCD — Double Channel Duplex
• FAST — Final Approach Spacing Tool
• ACFS — Advanced Concepts Flight Simulator
• AFRAA — African Airlines Association
• SNET — Safety Nets
• MRVA — Minimum Radar Vector Altitude
• AVPAC — aviation VHF packet communications
• PIREPS — electronic pilot reports
• AES — Airborne Earth Station
• EARTS — En Route Automated Radar Tracking System
• DGB — Dangerous Goods Board
• BT — berth terms
• AAC — Mike Monroney Aeronautical Center
• P&H — Press and Hold
• VBX — Visual Basic Extensions
• PZ — Portotroz
• SSO — STAR Support Office
• IRVR — Instrument Runway Visual Range
• ARINC 752 — TFTS Airborne Radio Sub-System
• FRH — Fly Runway Heading
• CNS — Communication, Navigation and Surveillance Systems, Inc.
• MAX CRZ — Maximum Engine Thrust for Two-Engine Cruise
• 1 :M — One-to-Many relationship
• TRA — Thrust Reduction Altitude
• GPWS — Ground Proximity Warning System
• WXXM — Weather eXchange Model
• SHACC — SHAPE Airspace Coordination Centre
• VREF — Approach Reference speed
• SSALS — Simplified Short Approach Lighting Systerm
• WPX — Next waypoint on the flight plan
• MET — Meteorological
• MEA — Minimum Enroute Altitude
• EATMS — European Air Traffic Management System
• ASAS — Aviation Safety Analysis System
• 3D — Palair Macedonian
• FAC — Fast as can
• ITEB — Information Technology Executive Board
• CEAS — Class E Airspace
• TKE — TrackAngle Error
• VRRS — Voice Recording and Display System
• AOPG — Aerodrome Operations Planning Group
• VTN — Voice Telecommunications Network

• RSI — Radiation Status Indicator
• LCL — Less Container Loaded
• TARMAC — Taxi and Ramp Management and Control
• ANGB — Air National Guard Base
• AFIS — Automated Flight Inspection System
• AAATS — Australian Advanced Air Traffic Services
• TUI — Trade Unions International of Transport Workers
• NODE — NATS Operational Display Equipment
• DADC — Digital Air Data Computer
• RSA — Runway Safety Area
• DSUA — Dynamic Special - Use Airspace
• JPDO — Joint Planning and Development Office's
• ANPAC — Associazione Nazionale Piloti Aviazione Commerciale
• TWN — Tactical Weather Network
• FSTS — Federal Secure Telephone Service
• SLOP — Strategic Lateral Offset Procedure
• SIC — Service Initiation Charge
• RBC — Rotating Beam Ceilometer
• WXR — Weather Radar
• NSE — Navigation System Error
• GNSSP — Global Navigation Satellite System Panel
• OPADD — Operating Procedures for AIS Dynamic Data
• FONSI — Finding of no significant impact. See Environmental impact statement (US)
• FMA — Flight Mode Annunciator
• CAIRS — Cable Assignment Information Retrieval System
• WINDR — Wind Direction
• TDA — Track Detection Analysis
• SFPL — Short Flight Plan
• FEAST — First European ATCO Selection Test Package
• VSA — By Visible reference to the ground
• IPPC — Internet Pilot Planning Centre
• FPD — Flight Plan Database
• LORAN — Long Range Navigational System
• SCAT-1 — Special Category 1
• AWY — Airway
• MALS — Medium-Intensity Approach Lighting System
• MCSG — Military Committee Staff Group
• FILTIM — Date and Time Stamp of original Message
• XPD — ATC Transponder
• DEBRIEF — Debriefing
• ADO — IFALPA Aircraft Design & Operation Committee
• VU — Utility Speed
• UAC — Upper Area Control
• ARTCC — Air Route Traffic Control Centre
• MT — Mertic Tonne
• AWOS — Automated Weather Observing System
• AFIS — Aerodrome Flight Information Service
• NL — Engine Revolutions per Minute
• AAC — Aeronautical Administration Communication
• MASS — Maintenance Automation System Software

• EEI — Essential Elements of Information
• XMT — Excluding
• FPFS — First Planned First Served
• SBT — Scenario-Based Training
• FWCS — Flight Watch Control Station
• DOD — Department of Defence
• FAF — Final Approach Fixes
• ADTN2000 — Administrative Data Transmission Network 2000
• FIAO — Flight Inspection Area Office
• EASA — European Aviation Safety Authority
• CR — Course to a VOR Radial
• IGCN — Independent Ground Communications Network
• CBM — Cubic Metres
• LCN — Local Communications Network
• VPAE — Vertical Profile Angle Error
• WPP — Working Position Processor
• ETG — Enhanced Target Generator
• CEAC — Committee of European Airspace Co-ordination
• CCIF — Comit? Consultatif International Des Communications T?l?phoniques ? Grande Distance (French For International Telephone Consultative Committee
• FALPA — Fiji Air Line Pilots Association
• VDP — Visual Descent Point
• AFZ — Resource Management
• ADDA — Administrative Data
• JAL — Japan Air Lines
• FAR — Federation Aviation Regulations
• EATMP — The European Air Traffic Management Programme
• BAPA — Bangladesh Airline Pilots Association
• SNIR — Signal-to-noise ratio
• CAMA — Civil Aviation Medical Association
• ISASI — International Society of Air Safety Investigators
• ADI — Automatic De-Ice and Inhibitor
• WSFO — Weather Service Forecast Office
• CRNA — Centre Régional de la Navigation Aérienne
• ARINC 594 — Ground Proximity Warning System
• ACM — Acceptable Means of Compliance
• DDA — Dedicated Digital Access
• CLB — Climb Detent of the Thrust Levers
• AS — Airspeed
• ADSIM — Airfield Delay Simulation Model
• TNAV — Time Navigation
• XIN — Military Crossing Intention Notification Message
• DEMETER — Distance Measuring Equipment Tracer
• SSAP SELECTOR — Session Service Selector
• II — Interrogator Identity
• AEM — Airports & Environment Management
• BM — Beam, Maximum
• DISCH — Discharge
• NIMS — NAS Infrastructure Management System
• NAVAID — Navigational Aid
• AUX — Auxilliary

• ACC-PC — ACC Planning Controller
• ERR — Error message
• CUST — Customs
• LDAH — Landing Distance Available Helicopter
• FIFO — Flight Inspection Field Office(s)
• 8.33 CP — 8.33 Contact Person
• DFGS/C — Digital Flight Guidance System/Computer
• AEEC — Airlines Electronic Engineering Committee (ARINC)
• MBST — Microburst
• FI — Iceland Air
• ITU WARC-95 — International Telecommunication Union World Radio Conference
• WSPD — Wind Speed
• RATCF — Radar Air Traffic Control Facility
• ISMLS — Interim Standard Microwave Landing System
• CESA — Class E Surface Area
• ACC-TC — ACC Tactical Controller
• PCGO — Part Cargo
• ARSC — Air Rescue Sub Centre
• FPPS — Flight Plan Processing System
• HATR — Hazardous Air Traffic Report
• TOGA — Takeoff/Go-Around
• DDU — Display Drive Unit
• AEROSAT — Aeronautical Satellite Council
• AAFG — ATM Added Functionality Sub-Group
• CIMO — Committee for Instruments and Methods of Observation
• JSSI — Joint Safety Strategy Initiative
• CSM — Consultant Services Meeting
• AOI — Area of Operational Interest; TERPS Office (USAF)
• 8.33 STATE — A State initially implementing 8.33 kHz channel spacing
• AFSFO — AFS Field Office
• PATWAS — Pilot's Automatic Telephone Weather Answering Service
• FME — Force Majeure Excepted
• RTQC/A — Real Time Quality Control / Assessment
• SOL — Sector Outbound List
• FREE OUT — Free of discharge costs to owners
• A/G — Air-Ground
• ELR — Extra Long Range
• IRD — Initial Requirements Document
• AFAS — Aircraft in the Future ATM System
• AV — Avianca (Aerovias del Continente Americano) Colombian Airline
• SFAR-38 — Special Federal Aviation Regulation 38
• ACDAC — Asociacion Colombiana de Aviadores Civiles
• NATCO — National Communications Switching Center
• WAAS — Wide Area Augmentation System
• AMSS — Aeronautical Mobile Satellite System
• ZFW — Zero Fuel Weight
• RBPM — Remote Beacon Performance Monitor
• ACTF — Aeronautical Charting Task Force
• GIB — Global Navigation Satellite System Integrity Broadcast
• SIE — Standard Interface Equipment

• EFPS — External Front Processing System
• VSIG — Vertical Separation Implementation Group
• EATCHIP OCD — Operational Concept Document
• ATCU — Air Traffic Control Unit
• ATCRU — Air Traffic Control Radar Unit
• CFL — Cleared Flight Level
• AJT — Terminal Service, Air Traffic Organization
• SELF — Simplified Short Approach Lighting System With Sequenced Flashing Lights
• SSE — Servicing Security Element
• CLSD — Closed
• ASR-WSP — Airport Surveillance Radar-Weather System Processor
• UUP — Updated Use Plan
• MTAC — Multiple Time Around Clutter
• LOF — Lloyds Open Form
• RIRT — Russian Institute of Radio Navigation and Time
• TARA — Terminal Area RNAV Applications Task Force
• RLG — Ring Laser Giro
• EPMB — EASIE Programme Management Board
• APM — Accident Prevention Manual
• ALCM — Air Launched Cruise Missile
• ARINC 600 — Air Transport Avionics Equipment Interfaces
• DSCN — Direct Speech Circuit Networks
• VFE — Flaps Extended Placard Speed
• LNAV — Lateral Navigation
• ACIPLA — Asociacian Civil de Pilotos de Lineas Aereas
• VTK — Vertical Track Distance
• SHAPE — Supreme Headquarters Allied Powers Europe (NATO)
• V/M — Volts-per-meter
• VDC — Volts, Direct Current
• REAL — Real time
• TMSSG — Top Management Structure Sub-Group
• LTOG — Long Term Objectives Groups
• IGP — Ionospheric Grid Points
• VFXR(R) — Flap Retraction Speed
• NRH — No Reply Heard
• LFV — Luftfartsverket
• ALD — Airlift Division
• DDC — Data Display Console
• QCM — Quality Control Manager
• AIRCOM — Aircraft Communications
• ANT — Air Navigation Team
• FDMA — Frequency Division Multiplex Access
• TLPD — Traffic Load Prediction Device
• AOC — Aircraft Operating Company
• CAMI — Civil Aerospace Medical Institute
• TWI — Terminal Weather Information
• SA — System Administrator
• AHR — FAA Office of Human Resources
• SAFI — Semi-Automatic Flight Inspection
• EIU — Electronic Interface Unit

• LISREL — Linear Structural Relations
• FRNG — Firing
• CMU — Communications Management Unit
• AIREP — Air-Report
• VCY — Vicinity
• AWX — All Weather Fighter
• MCK — Maintenance Check
• CAAF — Civil Aviation Authority of Fiji
• CRI — Class Rating Instructor
• SSR — Solid State Relay
• EPS — Engineered Performance Standards
• EUR — Region European Region
• VIVO — Visualisation des Vols Océaniques
• AFS — Automatic Flight System
• BRITE — Bright Radar Indicator Tower Equipment
• NARG — Navigation Aids and Area Navigation Group
• LRCO — Limited Remote Communications Outlet
• DIRF — Direction Finding
• PAD — Packet Assembler Disassembler
• SOGITS — Senior Official Group in IT Standardisation
• DEPA — Departure Airfield
• AIDS TO NAVIGATION — Artificial objects to supplement natural landmarks indicating safe and unsafe waters
• ATREP — Air Traffic Representative
• CDA — Continuous Descent Arrival
• ENAV — En Route Navigational Aids
• ARO — Air Traffic Service Reporting Office
• CGAS — Coast Guard Air Station
• CDS — Controller Display Support
• BRKHIC — Breaks in Higher Overcast
• RBDPE — Radar Beacon Data Processing Equipment
• FFAC — From Facility
• CTA/FIR — Control Area/Flight Information Region
• ATN — Aeronautical Telecommunications Network
• VSD — Vision and Strategy Document
• W2 — World Airlines
• MMS — Maintenance Monitoring System
• ERD — End Routing Domain
• CESC — Chief Executive Standing Conference
• KB — Kilo Bytes (1,000 Bytes)
• RASP — Regional Airport System Plan
• DFL — Dynamic Flight Leg
• CTU — Cabin Telecommunications Unit
• ACP — Accept Message
• FEATS — Future European Air Traffic System
• VTOL — Vertical Take-Off and Landing aircraft
• FHA — Functional Hazard Assessment
• CAO — Computer Assisted Operations
• ALSEC — All Sectors
• ATPL — Air Transport Pilot Licence
• FMG — Frequency Management Group

• DEE — Data Entry Equipment
• IFPPS — Integrated Flight Plan Processing System
• WPN — First waypoint in the next sector
• AOCP — Airborne Operational Computer Programme
• PIAC — Peak Instantaneous Aircraft Count
• AOU — Aircraft Operator Unit
• CAR — Caribbean Region
• LS — Lumpsum Freight
• E-MSAW — En Route Automated Minimum Safe Altitude Warning
• GRAF — Ground Replay and Analysis Facility
• AND — Associate Administrator for NAS Development
• TTALPA — Trinidad & Tobago Airline Pilots' Association
• AP — Airport Patrol
• FDE — Flight Data Exchange
• FLCH — Flight Level Change
• SIGMET — Significant Meteorological Information
• ABET — Airspace Behavioural Engineering Technology
• SDIS — Switched Digital Integrated Service
• DET — Detention
• MONA — Monitoring Aids
• AEX — Automated Execution
• AJC — Communications Services, Air Traffic Organization
• AUTOB — Automatic Weather Reporting System
• MAX CLB — Maximum Engine Thrust for Two-Engine Climb
• SDS — Switched Data Service
• VC — Vereinigung Cockpit
• STANAG — (NATO) Standardisation Agreement
• PBS — Preferential Bidding System
• ANPP — Air Navigation Plan Publication
• STANLY — Statistics and Analysis
• SUP/ACC — Supervisor Area Control Centre
• TSP — HRS Training Sub-Programme
• SCAT-1 APPROACH — Special Category 1 Approach
• WRC — World Radio-communications Conferences
• RCDSS — Radar Control and Display Subsystem
• CFWP — Central Flow Weather Processor
• FMIS — FTS2000 Management Information System
• FMGS — Flight Management Guidance System
• ARN-1 (TABLE) — Basic ATS Route Network in the Lower and Upper Airspace
• CASI — CFMU Aircraft Situation Image
• AIR 4653 — Aerospace Information Report 4653
• MMAC — Mike Monroney Aeronautical Center
• SNA — Sindicato Nacional dos Aeronautas
• ADAP — Airport Development Aid Program
• DBCRC — Defense Base Closure & Realignment Commission
• CRAF — Central Reservation Airspace Facility
• RTSE — Reliable Transfer Service Element
• TITLE — Message Name
• ALPA-E — Air Line Pilots Association of Ethiopia
• EGERIA — Engineering Group for European Integration ATC

• VSTOL — Vertical or Short Takeoff and Landing
• TCPU — Touch Panel Central Processing Unit
• FDR — Federal Data Registry
• FO — First Officer
• RX — Receiver
• SFAR — Special Federal Aviation Regulation
• ARN-2 (TABLE) — Radio Navigation Aids Associated with the Basic ATS Route Network Terminal Area and Instrument Approach Procedures
• HAC — Hughes Aircraft Company
• YSAS — Yaw Stability Augmentation System
• ATCC — Air Traffic Control Centre
• NR. — Number
• MF — Middle Frequency
• COSP — Connection-Oriented Session Protocol
• ARNG — Arrange
• EBAA — European Business Aviation Association
• CAWU — Civil Aviations Workers Union
• STU — Selected Trajectory Update
• SUP/MIL — Supervisor military
• TC-APD — Tactical Controller Activity Predictor Display
• ANSA — International Advisory Group Air Navigation Services
• FPM — Flight Path Monitor
• AWTA — Advise at What Time Table
• ARS — Aeronautical Radio Navigation Service
• FLOWSIM — Traffic Flow Planning Simulation
• PPR — Prior Permission Required
• FDPD — Flight Data Processing and Distribution
• RCIU — Remote Control Interface Unit
• CPAR — Cockpit Personnel Association of Russia
• TOS — Traffic Orientation Scheme
• FDE-ICD — Flight Data Entry - Interface Control Document
• SFMC — Sickness Fund Management Committee
• XASP — Extended AIRCOM Service Processor
• AUSEP — Australian RNAV Separation Standards
• IAOA — Indicated Angle-of-Attack
• VS — Vocational Stabilisation
• DDP — Distributed Data Processing
• TATCI — Tallinn ATC Improvement project
• URTF — User Requirements Task Force
• CTOL — Conventional Takeoff & Landing
• FLDS — Flight Loads Data System
• CAASA — Commercial Aviation Association of Southern Africa
• NOREP — National Oceanic Review and Enhancement Program
• SETA — Systems Engineering and Technical Assistance
• ARSA — Airport Radar Serve Area
• PDRP — Problem Detection and Resolution
• EVAS — EATMS Validation Strategy
• NAT MWG — North Atlantic Mathematicians Working Group
• EWT — EATMS Working Team
• V2 — Takeoff Climb Velocity
• F/G — Foreground

• WX DEF — Weather Deviation
• NCOP — Entry Coordination Point
• HKALPA — Hong Kong Air Line Pilots Association
• MVA — Minimum Vectoring Altitude
• AIPA — Aeronautical Information Production Application
• MIDAS — Man-Machine Integration Design and Analysis System
• FERS — Facility and Equipment Reporting System
• SCC — Satellite Control Centre
• VSP — Variable System Parameter
• EVFR — Electronic Visual Flight Rules
• BUECE — Back-up Emergency Communications Equipment
• FCM — Flight Confirmation Message
• VHRR — Very High-Resolution Radiometer
• IACS — INTERGRAPH Aeronautical Charting System
• ADS-P — Automatic Dependent Surveillance-Panel
• NGATM — New Generation Air Traffic Manager
• A/T — autothrottle
• ASDE — Area Surveillance Detection Equipment
• INIT — Initial
• METAR — Meteorological Aerodrome Report
• SICTA — Italian Consortium for the Applied ATM Research
• DPA — Distinguishing Path Attribute
• TTW — Time To Waypoing
• FIC — Flight Information Centre
• ATCA — Air Traffic Controllers Association
• FDSU — Flight Data Storage Unit
• RMCDE — Radar Message Conversion and Distribution Equipment
• IAFP — Individual ATC Flight Plan Proposal
• QRA — Who Are You
• SVP — Supervisor
• EWA — Error Warning Area
• HELLANET — Hellenic aeronautical Network
• MSGDLP — Mode S Ground Data Link Processor
• ADEP — Aerodrome of Departure
• EGALPA — Egyptian Air Line Pilots Association
• AFC — Airport Facilities Control
• PND — Primary Navigation Display (aviation)
• ERV — ECM Resistant Voice
• TMZ — Transponder Mandatory Zones
• ROD — Record Of Decision
• AFL — Assigned Flight Level
• CATSIM — CAA Air Traffic Simulator
• ANC — Alternate Network Connectivity
• CDTS — Console Detailed Technical Specification
• MDT — Maintenance Data Terminal
• CASTA — Controller Associate for Strategic and Technical Advice
• TACH — Tachometer
• AOF — Allocation of Functions
• ACA — Austrian Cockpit Association
• MEB — Main Earthing Bar

• PZ 90 — Parameters of Earth 1990
• ECAC AREA — European Civil Aviation Conference Area
• FPLA — Flight Plan Application Section
• ATSS — Airway Transportation Systems Specialist
• EGNOSS — European Geostationary Navigation System Overlay
• VLOF — Lift-off Speed
• ARU — Airspace Reservation Unit
• SEL — Single Event Level
• RW — Runway
• CTAF — Common Traffic Advisory Frequency
• GSB — Good Safe Berth
• CPA — Chairman's program assessment; closest point of approach
• ACH — ATC Flight Plan Change
• AISG — AIS Automation Group
• SPAS — System Performance Analysis System
• IFPZ — Integrated Initial Flight Plan Processing System Zone
• IAC — International Advisory Committee
• IGA — International General Aviation
• RD-CHANNEL — Random Data Channel
• TMRR — Temporary Minimum Disk Route
• PAMS — Published AIP Management Systerm
• ATTCS — Automatic Takeoff Thrust Control Systems
• VSSG — Vertical Separation Sub-Group
• ABET — Airspace Behavioral Engineering Technology
• MONA USER — Monitoring Aids User
• TXWY — Taxy Way
• CTO — Calculated Time Over
• ASC — Aviation Safety Council
• NIST — National Institute of Standards and Technologies
• EBUS — Enhanced Backup Surveillance
• CMMC — Common Maintenance Monitoring and Control
• D/D — Drift Down
• BARTCC — Berlin Air Route Traffic Control Centre
• ACRPWG — Aircraft Crash Recovery Procedures Working Group
• DSG — Data Services Group
• APPR — Approach
• TMPA — Traffic Management Program Alerts
• ALCC — Airlift Central Co-ordination Centre
• HO — Hold Over
• FIO — Flight Information Office
• CAMI — Civil Aeromedical Institute
• IPS'S — Intellectual Proprietary Rights
• MOA — Memorandum of Understanding
• SANE — Skill Acquisition Network
• IDAT — Interfacility Data
• HFSG — Human Factors Study Group
• EUROCAE — European Organisation for Civil Aviation Equipment
• CMT — Critical Milestone Test
• ALO — Air Force Liaison Officer
• EGU — European Gliding Union

• CARAT — Center for Aviation Research and Aerospace Technology
• VDEV — Vertical Deviation
• VY — Speed for best rate of climb
• NP — Propeller speed
• MIDO — Manufacturing Inspection District Office
• CMIS — Common Management Information System
• ARAC — Aviation Rulemaking Advisory Committee (FAA)
• GF — Gulf Air Company - Bahrain
• STVAC — Sindicato dos Tecnicos de Voo da Aviacao Civil
• AGI — FAA Office of Government and Industry Affairs
• EFF — Effective from
• FC — Course from a Fix to a Distance
• AGA — Aerodromes, Air Routes and Ground Aids
• TCT — Technical Control Terminal
• ASBA — American Shipbrokers Association
• RTCA — Requirements and Technical Concepts for Aeronautics
• DOTCC — Department of Transportation Computer Center
• FCLT — Freeze Calculated Landing Time
• CMFO — Certificate Management Field Office
• FMS — Fathoms
• EIM — Enosis Iptamenon Michanikon
• CEU — Central Executive Unit
• D/A — Digital-to-Analog
• DAC — Direction Aviation Civile
• SMD — Storage Module Device
• PC — Period of Charter
• DESC — Descending
• ELD — Electrical Load Database
• RMA — RELIABILITY MAINTAINABILITY AVAILABILITY
• ARINC 541 — Airborne Magnetic Flight Data Recorder
• GRADE — Graphical Airspace Design Environment
• AIRSPACE — and Traffic Management
• AMC — Air Traffic Control Microphone Check
• CRC — Control and Reporting Centre
• IFPA — Instrument Flight Procedures Automation Program
• AAFCE — Allied Air Forces Central Europe
• RPG — Radar Processing Group
• SRTM — Shuttle Radar Topography Mission
• ACN — Airspace Co-ordination Notification
• POCC — Pacific Operations Control Center
• IKBS — Intelligent Knowledge Based System
• COCOS — Computer Controlled SSR Code Assignment
• EAA — European Aviation Agency
• DITS — Digital Information Transfer System
• GGCS — Ground/Ground Communication System
• CYG — Cyclonic
• EHD — Danger Area
• TTP — TCAS II Transition Program
• SBSR — Space Based Secondary Radar
• U — Upward

• ARINC 569 — Heading and Altitude Sensor
• TRANS — Transition
• CALS — Computer-aided Acquisition and Logistic Support
• DISCR — Discrepancy
• DUAT — Direct User Access Terminal
• AORTF — ATM Added Functionality Operational Requirements Task Force
• SITA — Société Internationale Télécommunique Aéronautique
• OCC — Operations control center
• MOTNE — Meteorological Operational Telecommunication Network in Europe
• ATIS — Aerodrome Terminal Information Service
• ACOD — Area Conflict Detection
• RIP — Runway Incursion Program
• 4DTN — 4D Trajectory Negotiation
• FREER — Free Route Experimental Encounter Resolution
• AQAFO — Aeronautical Quality Assurance Field Office
• PNF — Pilot Not Flying (aviation)
• FED — Fonds Europ?en de D?veloppement
• RNLAF — Royal Netherlands Air Force (also KLu)
• DIR/INTC — Direct Intercept
• DISU — Drug Investigation Support Unit
• ATCSQ — ATC Safety Questionnaire
• OWN — TCAS II equipped aircraft - source of TCAS event
• IARR — IFPS ARR Message – Individual Arrival Message
• NAT SPG — North Atlantic Systems Planning Group
• EATCHIP LO — EATCHIP Liaison Officer
• OSIP — Office Safety Inspection Program
• CREME — Creating the EATCHIP Management Environment
• CDFA — Constant Descent Final Approach
• CFD — Change to Flight Data Message
• MNPSA — Minimum Navigation Performance Specification Airspace
• EASS — European Aviation Safety Seminar
• ARINC 741P4 — Aviation Satellite Communications System:Part 4 - Specification and Description Language
• AUW — All Up Weight
• XCM — Crossing Request Cancelation Message
• NTRY — Entry
• FISA — Automated flight Information Service
• RLCE — Request Level Change En-route
• TB — Tellback
• TWYL — Taxiway Lights
• AJA — Acquisition & Business Services, Air Traffic Organization
• DTG — Distance-to-go
• FSA — First System Activation
• SEU — Software Engineering Unit
• GTPAPC — Grupo Tecnico de Pilotos Aviadores Profesionales de Cuba
• IFATCA — International Federation of Air Traffic Controllers' Associations
• ARR — Arrival
• RSAP — Runway Safety Action Plan
• DAP — download of aircraft parameter
• ACR — Air Carrier
• ATNP — Aeronautical Telecommunications Network Panel

• FCU — Flight Control Unit
• MDA/H — Minimum Descent Altitude/Height
• OE/AAA — Obstruction Evaluation/Airport Airspace Analysis
• CEFA — Co-operation for Environmentally Friendly Aviation
• ISAD — ICAO's Incorporating Security into Aircraft Design Working Group
• EATF — EATMS Architecture Task Force
• SCAT — Supersonic Civil Air Transport
• EADTF — European AIS Database Task Force
• FPP — Flight Plan Processing
• ALRT — Alert
• CFR — Crash Fire Resque
• RIIEP — Runway Incursion Information Evaluation Program
• EQUATOR — Environment for Qualitative Temporal Reasoning
• AIRMET — Airmen's Meteorological Information
• AOWIR — Aircraft Operator What-If Re-routing
• SOIWR — Simultaneous Operations on Intersecting Wet Runways
• NBCAP — National Beacon Code Allocation Plan
• IFEA — In-Flight Emergency Assistance
• ALB — Alternative Label
• RPF — Rapid Prototyping Facility
• CR(A)OC — Central Region (Air) Operations Centre
• IPSE — Integrated Programming Support Environment
• MTF — Modulation transfer function.
• VF — Design Flap Speed
• SET — Singe Engine Turbo-Prop
• X.25 — Packet Switched Data Network
• ALPA-A — Air Line Pilots Association of Armenia
• ALPA-SL — Air Line Pilots Association of Slovenia
• LFP — Low Pass Filter
• TWDL — Two-Way DataLink
• ESE — East-South-East
• CEF — Capacity Enhancement Function
• AWPA — Australian Women Pilots' Association
• ACFO — Aircraft Certification Field Office
• LFDS — Large Facility Demarcation System
• NARACS — National Radio Communications System
• FPPS — Federal Personnel Payroll System
• AOIS — Aeronautical Operational Information System
• FSF IAS — Flight Safety Foundation International Aviation Safety
• CRD — Conflict Risk Display
• MTWA — Maximum Takeoff Weight Authorized
• ISL — Intermediate Supplementary Flight Level
• ALR — IFALPA's Airport Liaison Representative Program
• DEI — Directorate EATCHIP Implementation
• EXY — Easyjet
• LAF — Local Adaptation Functions
• ALA — Alighting Area
• RWP — Real-Time Weather Processor
• PANS-OPS — Procedures for Air Navigational Services - Aircraft Operations
• FISDL — Flight Information Services Data Link

• CAEP — Committee on Aviation Environmental Protection
• POL STAT — Policy Statement
  </