| Acronym | Meaning |
| AVB | Avionics Bulletin (tdc 55) |
| JPATS | Joint Primary Aircraft Training System |
| ID | Identification |
| OSI | Open Systems Interconnection (iso Standard) |
| IOPB | Input/output Parameter Buffer |
| GFAE | Government Furnished Aeronautical Equipment |
| MTBMA | Mean Time Between Maintenance Action |
| ICC | Life Cycle Costing |
| ESD | Electrostatic Discharge |
| CAAS | Contractor Assistance And Advisory Service |