| Acronym | Meaning |
| MWG | MMWG Maintenance Analyzer Working Group |
| ISPG | Institutional Support Planning GrouP |
| TLL | Tooling Inspection Instrumentation |
| ENVIR | Environment |
| DBGMP | Data Bus Isolation Amplifier |
| PASS | Primary Avionics Software System |
| PRV | Pressure Reduction Valve |
| HVPS | High Voltage Power Supply |
| GCU | Gyro Coupling Unit |
| RA | Radar Altimeter (R/A Preferred) |