| Acronym | Meaning |
| MSTR | Master |
| DDN | Design Decision Notice |
| AESAT | Avionics & Electrical Systems Advanced Trainer |
| ADSU | Air Direction Sensing Unit |
| PSO | Pressure Shut Off |
| NOR | Notice Of Revision |
| AFCS | Automatic Flight Control System |
| SIMAS | Sonar In-situ Mode Assessment |
| SAS | Stability Augmentation System |
| EDRS | Engineering Data Retrieval System |