| Abbreviation | Definition |
|---|---|
| AGLA | Alternative Grass Landing Area |
| AGP | Aircraft Gateway Processor |
| AGR | AICC (Aviation Industry CBT Committee) Guidelines and Recommendations |
| AGR | AICC Guidelines and Recommendations |
| AGS | Air / Ground System |
| AGU | Audio Gateway Unit |
| AH | Alert Height |
| AH | Alert Height (For Category III Operations) |
| AH | Attack Helicopter |
| AHAS | Airborne Hazard Awareness System |
| AHAS | Avian Hazard Advisory System |
| AHEAD | Advanced Hybrid Engine Aircraft Development |
| AHEAD | Advanced Hybrid Engines for Aircraft Development |
| AHM | Aircraft Handling Manual |
| AHM | Airplane Health Manager |
| AHPRA | Arizona High Power Rocketry Association |
| AHRS | Attitude and Heading Reference System |
| AHRU | Attitude Heading Reference Unit |
| AHSP | Aviation Health Safety Protocol |
| AHV | Add Heat Valve |