Federal Aviation Administration Abbreviations and Acronyms
- AOSOperational Support Services
- APAcquisition Plan
- APBAcquisition Program Baseline
- APCAdaptive Predicative Coding
- APCAeronautical Passenger Comm.
- APCAcquisition Processing Cabinets
- APIApplication Program Interface
- APLAirport Pseudolites
- APMAssociate Program Manager
- APMEAssociate Program Manager for Engineering
- APMLAssociate Program Manager for Logistics
- AQPSKAviation Quadrature Phase Shift Keying
- ARAAirborne Radar Approach
- ARAAdministrator for Research & Acquisitions
- ARACAviation Regulatory Advisory Committe
- ARCAcquisition Review Committee
- ARCSAutomatic Route Control System
- ARDResearch and Development Service
- AREAAutomated En Route Air Traffic Control
- ARIGAcquisition Reform Interim Guidance
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