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_
_
_ (rho) Symbol for Range
2
2-D Two Dimensional
3
3-D Three Dimensional
4
4D-NAV 4-D (four dimensional) Navigation
4-MAST 4-MAST Group
5
5ST-RSG Five-States Route Structure Group
9
96RIF Radio Interface
A
A Ampere
A Analysis (SASS-C)
A Austria
A SMGCS Advanced Surface Movement Guidance and Control Systems
A/A Air/Air
A/C, a/c Aircraft
A/D Analog-to-Digital
A/D Converter Analogue-to Digital Converter *
A/G Air-Ground *
A/I Accident(s)/Incident(s)
A/L Auto Land *
A/P Autopilot
AA Approved agency *
AAA Advanced ATC System Amsterdam / Contrôle régional avancé d’Amsterdam (FR)
AAAV Azienda Autonoma di Assistenza al Volo
AAAVTAG Azienda Autonoma Assistenza al Volo per il Traffico Aereo Generale (IT)
AAC Airline Administrative Control
AAC Aeronautical Administrative Communications *
AAC Alpha Attenuation Coefficient
AACE Airfield Approach Control Element
AACI Airports Association Council International
AACO Arab Air Carriers Organisation
Page 1
A
AAF ATM Added Functions
AAFCE Allied Air Forces Central Europe
AAFG ATM Added Functionality Sub-Group
AAFT ATM Added Functionality Sub-Group
AAG AIS Automation Group (EANPG)
AAG AIS Automation Group
AAGDI /
AGADE
Automated Air/Ground Data Interchange *
AAH Autonomous Aircraft Hybrid
AAI Average Arrival Interval
AAIM Aircraft Autonomous Integrity Monitoring *
AAIS Automated AIS
AAIU Air Accident Investigation Unit
AALS Advanced Approach and Landing System
AAM Airline Administration Message
AAP Advanced Automation Program (US)
AAR Air-to-Air Refuelling
AAS Aerodrome Advisory Service
AAS Advanced Automation System (US)
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