| Abbreviation | Definition |
|---|---|
| 9X9 | Sack-O-Grande Acroport Airport |
| A | A-check |
| A&E | Aircraft and Engine |
| A&P | Air frame and Power plant |
| A&P | Airframe Powerplant |
| A/C | Aircraft |
| A/D | AeroDrome |
| A/D | Analog / Digital |
| A/FD | Airport / Facility Directory |
| A/G | Air to Ground |
| A/P | Airplane |
| A/P | Airport |
| A/P | AutoPilot |
| A/T | Autothrottle |
| A/THR | Autothrust |
| A2AD | Anti-Access/Area-Denials |
| A2G | Air to Ground |
| A380 | Airbus 308 |
| AA | Action Authorization |
| AA | American Airways |