| Abbreviation | Definition |
|---|---|
| ATTC | Aviation Technical Training Center |
| ATTCS | Automatic Takeoff Thrust Control System |
| ATTE | Air Traffic Teamwork Enhancement |
| ATTF | Aircraft Tracking Task Force |
| ATU | Auto Transformer Unit |
| ATUC | Auto Transformer Unit Contactor |
| AURA | Aeronautical Union for Rising Aviation |
| AUTO | Automatic |
| AUX | Auxiliary |
| AV | APU Shop Visit |
| AV | Avionics |
| AVB | Advance Aviation Base |
| AVC | Audio Video Controller |
| AVC | Automatic Volume Control |
| AVM | Airborne Vibration Monitor |
| AVMS | Aircraft Visit Management System |
| AVN | Aircraft Value News |
| AVO | Avoid Verbal Order |
| AVS | Aft Vented Step |
| AVS | Alternate Ventilation System |