| Acronym | Meaning |
| PCMMU | Pulse-Code Modulation Master Unit |
| PID | Program Introduction Document |
| MDA | Motor Drive Amplifier |
| INTF | Interface |
| G&A | General And Administrative |
| HSC | Hardware/Software Coordination |
| COQ | Certificate Of Qualification |
| MTE | Maintenance Test Equipment |
| EENT | Eye |
| MARS | Modular Airborne Recorder System |