| Acronym | Meaning |
| PP | Program Package Udi-s-21273b |
| FD/LC | Fault Detection/location Subsystem |
| IDS | Interface Design Specification Udi-e-21403/mod |
| AVT | Auxiliary Aircraft Landing Training Ship (misc) |
| EAST | European Advanced Software Technology |
| FMS | Fault Management System |
| PTT | Part Task Trainer |
| ESGN | Electrically Suspended Gyro Navigator (an/wsn-3(v)) |
| JRMB | Joint Requirements And Management Board |
| D | Depot |