| Acronym | Meaning |
| ABU | Analog Backup |
| AHIP | Army Helicopter Improvement Program |
| MRT | Minimum Resolvable Temperature |
| TDMP | Training Device Maintenance Plan |
| LTN | Omego Replacement 211 |
| FADECAR | Fadec, Channel A, Right Engine |
| AYC | Accessory Change (tdc 61) |
| PAPS | Propulsion Associated Parameter Set |
| TLCSC | Top-level Computer Software Component |
| FOTM | Functionally Oriented Technical Manual |