Governmental & Military Abbreviations and Acronyms
- ARR SPArrival Sequence Planner
- ARSTArresting specify aircraft arresting
- ARTAS TFARTAS Task Force
- ArtemisAn ESA experimental telecommunications
- ArtemisAdvanced Relay and Technology Mission Satellite (ESA)
- ARTES-9Advanced Research in Telecommunication
- ASPENN RPGAeronautical Fixed Service Planning Study EUR/NAM/NAT Regional Planning Group
- ASPLABAsociacion Sindical de Pilotos del Lloyd Aereo (Bolivia)
- ASQPAirline Service Quality Performance
- ASR-WSPAirport Surveillance Radar-Weather System Processor
- AT&T CSAAt&t Customer Support Associate
- ATAFGAfrican Air Traffic Analysis and Forecasting Group
- ATCgramIllustration in graph form of the main functional
- ATIS-BAutomatic Terminal Information Service - Broadcast
- AUS-ALPAAustralian Air Line Pilots Association
- AUSEPAustralian RNAV Separation Standards
- AUTOBAutomatic Weather Reporting System
- AVSECAviation Security
- B/CRSBack Course
- BA FAIRBraking Action Fair
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