A-fq
AIRCOM : Aircraft Communications
AIREP : Air-Report (ICAO)
AIRMET : Air Meteorological Information Report which
may affect the safety of low-level aircraft operations
AIRPROX : The code word used in air traffic incident
report to designate aircraft proximity (ICAO)
AIRS : Advanced Infrared Sounder
AIS : Aeronautical Information Services
AISAP : AIS Automation Specialist Panel
AISAS : Aeronautical Information Services Automated
System
AISC : Aeronautical Mobile Communications System
Panel
AISC : Aeronautical Industry Service Communication
AISG : AIS Automation Group
AISPOP : AIS Planning and Operations Subgroup
AISS : Aeronautical Information Server System
AIS-TF : AIS Training Task Force
AISU : Aeronautical Information Service Unit
AITSC : Administrative IT Steering Committee
AIXM : Aeronautical Information Exchange Model
AKARD : Available Knowledge And required system
Research and Development
AL : Aircraft Label
AL : Albania (ISO Country Code)
AL : Alerting Service
AL : Allegheny
ALA : Alighting Area
ALB : Alternative Label
ALCC : Airlift Central Co-ordination Centre
ALCE : Airlift Control Element
ALCM : Air Launched Cruise Missile
ALD : Airlift Division
ALERFA : Alert Phase
Alert : Alert phase
Alert Indicator : (visual or auditory) which provides
information to the flightcrew in a timely manner about an
event requiring pilot awareness.
ALIM : Altitude Limit (Positive RA Altitude Threshold)
ALLA : Allied Long Lines Agency
ALMC : Airlift Movement Cell
ALO : Air Force Liaison Officer
ALPA : Air Line Pilots Association
ALR : Alerting message
ALRS : Alerting Service
ALRT : Alert
ALS : Approach Lighting System
ALS : Architecture Layer Structure (ISO)
ALS : Automatic Line Switch (RMCDE)
ALS : Automatizovany Letisni System (CZ) / Automated
Airport System
ALSTG : Altimeter Setting
ALT : Airborne Link Terminal
ALT : Altitude
ALT : Alternate
ALTM : Altimeter
ALTN : Alternate Aerodrome
ALTNLY : Alternately
ALT HOLD : Altitude Hold Mode
ALTRV : Altitude Reservation System
AM : Aeromexico
AM : Airspace Management
AM : Amplitude Modulation
AM : Armenia (ISO Country Code)
AM : Arrival Manager
AM : Attribute Modification
AMA : Area Minimum Altitude
AMA : Airlift Management Agency
AMAN : Arrival Manager (APATSI)
AMC : Airspace Management Cell
AMC : ATC Microphone Check (service)
AMC : Avionics Maintenance Conference
AMC/CADF : Airspace Management Cell - ECAC
Centralised Airspace Data Function
AMCP : Aeronautical Mobile Communication Panel (ICAO)
AMD : Administrative Management Domain
AMD : Advisory Map Display
AMD : Amend or Amended
AMD : Arrival manager Display
AMDP : Airspace Management Data Processing
AMDP-TF : EATCHIP Airspace Management Data
Processing Task Force
AMDT : Amendment (ICAO)
AMDWP : Aeromedical Working Party
AME : ATM Message Exchange
AMEG : Air Miss Evaluation Group
AMGR : Airport Manager
AMHS : Aeronautical Message Handling Service
AMI : Airline Modifiable Information
AMI : Administrative and Management Information
Software
AMID : Approach Multi-Input Device (ODID)
AMJ : Advisory Material Joint
AMLCD : Active Matrix Liquid Crystal Display
AML (WP) : Airfield Markings and Lighting (Working Party)
AMN : Airspace Management and Navigation (EATM Unit)
AMOC : ATFM Air Traffic Flow Management
AMOC : ATFM Modelling Capability
AMOS : Automatic Meteorological Observing System
AMOS : ARTAS Maintenance and Operational Support
organisation
AMOSS : Airline Maintenance and Operation Support
System
AMPS : American Mobile Phone System
AMS : Aeronautical Mobile Service
AMS : Airspace Management Service
AMS : ATC Model-Simulations Studies
AMS(R)S : Aeronautical Mobile Satellite (Route) Service
AMSC : Allied Military Security Code
AMSL : Above Mean Sea Level
AMSS : Aeronautical Mobile Satellite Services
AMSS : Aeronautical Mobile Satellite System
AMSS : Automatic Message Switching System
AMSSP : Aeronautical Mobile Satellite Service Panel
AMT : ADS Mediterranean Trials
AMTI : Adaptive Moving Target Indicator
AN : Access Node (RMCDE)
ANA : Aeroportos e Navegaçao Aérea (PT)
ANA All Nippon Airways
ANA-EP : Aeroportos e Navegaçao Aérea Empresa
Pública (PT)
ANC : Access Network Computer
ANC : Air Navigation Commission / Conference (ICAO)
ANCAT : Abatement of Nuisances Caused by Air
Transport (ECAC environmental policy committee (ENV :
AL)
ANDRA : Advanced Node for Data Relay in ATN
ANDS : ANS Department
ANERC : Advanced New En-Route Centre (UK)
ANM : ATFM Notification Message (CFMU / ECAC States)
ANOVA : Analysis of Variance
ANP : Actual Navigation Performance
ANP : Air Navigation Plan
ANPP : Air Navigation Plan Publication
ANS : Air Navigation Service
ANS : Answer
ANS/CR : Air Navigation Services of the Czech Republic
ANSA : International Advisory Group Air Navigation
Services
ANSEP : Air Navigation Services Economics Panel (ICAO)
ANSI : American National Standards Institute
ANSIR : Advanced Navigation System Inertial Reference
ANSO : Air Navigation Services Offices (Irish aviation
authority)
ANSP : Air Navigation Service Provider
ANT : Airspace and Navigation Team
AO : Aircraft Operator
AO : Airlines Operator
AO : Arrival Operations
AO : ATM Operations
AOA : Aircraft Operating Agency (e.g. Airlines)
AOA : Angle-of-Attack
AGA : Aerodromes and Ground Aids
AGARD : Advisory Group on Aeronautical Research and
Developments
AGAS : European Action Group for ATM Safety
AGATE :Advanced General Aviation Transport
Experiments
AGC : Automatic Gain Control (VCS)
AGCS : Air-Ground Communication System
AGCSG : Air/Ground Communication Sub-Group Meeting
AGDC : Air/Ground Data Communications
AGDC-SG : Air/Ground Data Communications Sub Group.
See AGSG
AGDC-TF : Air/Ground Data Communications-TF (ODT)
AGDL : Air-Ground Data Link
AGDLS : Air-Ground Data Link System
AGL : Above Ground Level
AGLAE : Air-Ground Data Link Applications
Experimentation
AGN : Again
AGN : Agenda
AGOD : Advisory Group on Deliverables
AGR : Agreement
AGSG : Air / Ground Data Communication Sub group
AGVC-SG : Air/Ground Voice Communication Sub Group
AHDG : Assigned Heading
AHEAD : Automation and Harmonisation of European
Aeronautical Data
AHGSO : Ad Hoc Group of Senior Officials
AHMI : Airborne Human Machine Interface
AHRS : Attitude and Heading Reference System
AHS : American Helicopter Association
AI : Artificial Intelligence
AI : Air India (airline)
AIA : Aerospace Industries Association
AIAA : American Institute of Aeronautics and Astronautics
AIAA : Area of Intense Aerial Activity
AIB : Aeronautical Information Bulletin (EAD)
AIC : Aeronautical Information Circular
AICB : Air Initiated Comm-B Protocol
AICG : Ab Initio Co-ordination Group
AICG : ACAS Implementation Co-ordination Group
AICG : Airport Interface Co-ordination Group
AICM : Aeronautical Information Conceptual Model (EAD)
AID : Aid or Aircraft Identification
AIDA : Aeronautical Information and Data handling Austria
AIDC : ATS Interfacility Data Communications (ICAO)
AIDS : Aircraft Integrated Data System
AIG : ACAS Implementation Group ; Automatic Input
Generation
AIG : Accident Investigation and Prevention
AIL : Aeronautical Item Location Bank
AIM : Airman’s Information Manual
AIM : ATFM Information Message
AIM-FANS : Airbus Interoperable Modular FANS
AIMS : Airplane Information Management System (Boeing
777)
AIMS : Aircraft Integrated Monitoring (Information
Management) System
AIP : Aeronautical Information Publication
AIPN : Appointing authority
AIR : Armament Initiative and Requirements
AIR 4653 : Aerospace Information Report 4653 - (Flight
Management Systems Review)
AIR : Air Control
AIRAC : Aeronautical Information Regulation and Control
AOA : Airport Operations Area
AOB : Air Order of Battle
AOB : Angle of Bank
AOC : Advanced Operational Capability
AOC : Aerodrome Obstruction/Obstacle Chart
AOC : Aeronautical Operational Communications
AOC : Aircraft Operating Company
AOC : Aircraft Operations Centre (ICAO)
AOC : Airline Operation Control
AOC Aeronautical Operation Control (communications
which support safety and regularity of flight that normally
take place between aircraft and the operator)
AOC : Assume of Control (ODID)
AOC : Auxiliary Output Chip
AOC : Aeronautical Operational Control
AOC : Air Operator’s Certificate
AOC : Airline Operational Communications
AOCC : Aircraft Operator Control Centre
AOCI : Airport Operators Council International
AOCP : Airborne Operational Computer Programme
AOCS Attitude and Orbit Control System
AOCU : Aircraft Operator Control Unit
AOF : AIS Office (EAD)
AOF : Allocation of Functions
AOG : Aircraft On Ground
AOI : Aircraft Operations Information
AOI : Area of Operational Interest
AOI : AIS Office
AOIS : Aeronautical Operational Information System
AOM : Aircraft Operations Manual
AOP : Aeronautical OSI Profile
AOPA : Aircraft Owner and Pilot Associations
AOPG : Aerodrome Operations Group (ICAO)
AOPTF : Aerodrome Operations Task Force
AOR : Area of Responsibility
AOR : Atlantic Ocean Region (ICAO)
AOR-E : Atlantic Ocean Region - East (ICAO)
AORTF : ATM Added Functionality Operational
Requirements Task Force
AOR-W : Atlantic Ocean Region - West (ICAO)
AOS : Airport Operations Strategy Drafting Group
AOT : Airport Operations Team
AOU : Aircraft Operator Unit
AOWIR : Aircraft Operator What-If Re-routing
AOWP : Airport Operations Work Plan
AP : Airport
AP : Auto-Pilot
AP : Application Process
APA Allied Pilots Association
APANPIRG : Asia/Pacific Air Navigation Planning and
Implementation Regional Group
APAPI : Abbreviated Precision Approach Path Indicator
APATSI : Airport / Air Traffic Systems Interface (ECAC)
APB : APATSI Project Board
APC : Aeronautical Passenger Communications /
Correspondence
APC : Aeronautical Public Correspondence
APC : Assistant Planning Controller
APCH : Approach
APD : Activity Predictor Display
APDLC : Aircraft Proximity Data Link Communication
(ICAO)
APDSG : ATM Procedures Development Sub-Group
APE : Analysis Programme for Evaluation
API : Application Programming Interface
APIRG : Africa-Indian Ocean Planning and Implementation
Regional Group (ICAO)
APL : Abbreviated Flight Plan
APL : Applied Physics Laboratory
APL : ATC Flight Plan
APLGT : Airport Lighting
APM : Architecture Project Management
APMB : ACAS Programme Management Board
APMS Automated Performance Measurement System
APO : Airport Operator
APO : Aircraft Performance and Operations
APOD : Airport of Debarkation
APP : Approach Centre / Control (office/service)
APP controller/director : Approach controller/director
App. : Appendix
APPA-SG : ATFM Policies and Principles Advisory Sub-
Group
APP-ASS : Approach-Assistant
APPR : Approach/Approach Mode
APR : Automatic Position Reporting
APRT : Airport
APRX : Approximate or Approximately
APS : Approach Control Surveillance
APSG : ACAS Programme Steering Group
APSG : After Passing
APT : Airport(s)
APT : Airspace Planning Team became ANT (March 94)
APU : Auxiliary Power Unit
APV : Approve or Approved or Approval
APW : Area Proximity Warning
AQAP : Allied Quality Assurance Publication
AQG : Agency Quality Group
AQP : Advanced Qualification Programme
A-QPSK : Aviation Quadrature Phase Shift Keying














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