| Abbreviation | Definition |
|---|---|
| AOMB3 | Aviation Ordnacneman (bombsight) 3rd Class Petty Officer |
| AOMT1 | Aviation Ordnanceman (turret) Petty Officer 1st Class |
| AOMT2 | Aviation Ordnanceman (turret) Petty Officer 2nd Class |
| AOMT3 | Aviation Ordnanceman (turret) Petty Officer 3rd Class |
| AP | Aviation Pilot |
| AP1 | Aviation Pilot 1st Class |
| AP2 | Aviation Pilot 2nd Class |
| AP3 | Aviation Pilot 3rd Class Petty Officer |
| APA | Aviation Pilot (airship) |
| APC | Aviation Pilot Chief Petty Officer |
| APOTH1 | Apothecary First Class |
| APOTH2 | Apothecary Second Class |
| APOTH3 | Apothecary Third Class |
| APP1 | Apprentice First Class |
| APP2 | Apprentice Second Class |
| APP3 | Apprentice Third Class |
| AQ1 | Aviation Fire Control Technician Petty Officer First Class |
| AQ2 | Aviation Fire Control Technician Petty Officer Second Class |
| AQ3 | Aviation Fire Control Technician Petty Officer Third Class |
| AQAA | Aviation Fire Control Technician Airman Apprentice |