| Acronym | Meaning |
| FQR | Formal Qualification Review |
| TMDL | Technical Manual Data List |
| ISC | Intercommunication Set Control |
| PCM | Pulse Code Modulation |
| MIC | Management Information Center |
| EEPROM | Electrically Erasable Programmable Read Only Memory |
| EOSS | Engineering Operational Sequencing System |
| NGOS | Gas Generator Overspeed |
| LBL | Left Butt Line |
| R/M | Reliability And Maintainability |