| Acronym | Meaning |
| AU | Airborne Unit |
| SSI | Structural Significant Item |
| RAM | Reliability And Maintainability |
| WFEL | Wfe Left |
| MAC | Maintenance Allocation Chart |
| SASITS | Submarine Advanced Signal Training System |
| TLT | Tilt |
| EVCS | External Voice Communication System |
| FBITAR | Fadec Fail Bit, Channel A, Right Engine |
| SYSCOM | Systems Command |