| Acronym | Meaning |
| LUCS | Instrumentation Unit Update Command System |
| WCLS | Water Coolant Loop System |
| BOPACE | Boeing Plastic Analysis Capability For Engines |
| IPD | Information Processing Division |
| FQR | Flight Qualification Review |
| PEB | Performance Evaluation Board |
| FSD | Full Scale Development |
| N/0 | Normally Open |
| U/M | Unscheduled Maintenance |
| CB | Constant Bandwidth |