| Abbreviation | Definition |
|---|---|
| AAME | Association of Aviation Medical Examiners |
| AAMPS | Automated Aircraft Mission Planning System |
| AAO | Association of Aviation Ordnancemen |
| AAO | Assumed adverse obstacle |
| AAOA | Arkansas Airport Operators Association |
| AAOA | Aurora Airport Owners Association |
| AAPC | Aviation Accident Prevention Course |
| AAR | Airport Acceptance Rate |
| AAR | Airport Arrival Rate |
| AARG | Australian Aircraft Restoration Group |
| AAS | Advanced Automation System |
| AASE | Aircraft Armament Suspension Equipment |
| AASF | Alaskan Aviation Safety Foundation |
| AASF | Army Aviation Support Facilities |
| AASF | Army Aviation Support Facility |
| AASI | Aerosphere Aviation Services Inc |
| AASR | Aging Airplane Safety Rule |
| AATC | Asian Aviation Training Centre |
| AATC | Atlanta Airlines Terminal Corporation |
| AATD | Advanced Aviation Training Device |