| Acronym | Meaning |
| DTU | Data Transfer Unit |
| NAVSEC | Naval Ship Engineering Center |
| TF/TA | Terrain Following/terrain Avoidance |
| ISEO | In-service Engineering Office |
| MMRI | Mandatory Mission Rule Item |
| LBL | Left Butt Line |
| ARC | Airborne Radio Communications |
| 3M | Maintenance And Material Management (MMM) |
| B/F | Blade Fold |
| RMNG | Remaining |