| Acronym | Meaning |
| TF/TA | Terrain Following/terrain Avoidance |
| ASO | Aviation Supply Office (philadelphia) |
| ITO | Identifying Technical Order |
| UBA | Underwater Breathing Apparatus (mk 15) |
| DSSA | Domain Specific Software Architecture |
| ACE | Aircraft Common Equipment |
| RFSS | Radio Frequency Switching System |
| ATF | Fleet Ocean Tug (fleet Support) |
| ETE | Estimated Time Enroute |
| MCAS(H) | Marine Corps Air Station (helicopter) |