| Acronym | Meaning |
| TTD | Technical Training Device (simulation System) |
| CCBD | Config Control Board Directive |
| IC | Integrated Circuit |
| NMCS | Not Mission Capable Supply |
| ACE | Aircraft Common Equipment |
| UMTS | Universal Maintenance Training System |
| SAHRS | Standard Attitude Heading Reference System |
| SSBN | Submarine Ballistic Nuclear |
| FADECBL | Fadec, Channel B, Left Engine |
| FMU | Fuel Management Unit |