| Acronym | Meaning |
| ECU | Environmental Control Unit |
| PPB | Provisioning Parts Breakdown |
| OFP | Operational Flight Program |
| AFTA | Advanced First Term Avionics |
| CTDA | Cockpit Thrust Drive Actuator |
| MLG | Main Landing Gear |
| CHG | Change |
| TMP | Technical Manual Plan |
| ENDR | Endurance |
| AVC | Avionics Change (tdc 54) |