| Acronym | Meaning |
| OBOGS | Onboard Oxygen Generating System |
| QC | Quality Control |
| TSR | Test Strategy Reports |
| ACCB | Aircraft Change Control Board |
| GIDEP | Government/industry Data Exchange Program |
| ISM | Input Signal Management |
| FFIBL | Fuel Filter Impending Bypass, Left Engine |
| SCST | Submarine Combat System Trainers (21a Series) |
| PSM | Processor Support Module |
| PSL/PPL | Process Support Language/process Programming Language |