| Acronym | Meaning |
| PPB | Provisioning Parts Breakdown |
| CCFDA | Cockpit Control Feel Drive Actuator |
| THR | Threshold |
| AESAT | Avionics & Electrical Systems Advanced Trainer |
| MB | Megabyte |
| YO | Fuel Oil Barge (self-propelled)(tanker) |
| FOSI | Functional Output Specification Instance |
| VH | Speed, Horizontal Flight |
| MGTR | Measured Gas Temperature Right |
| PSL/PPL | Process Support Language/process Programming Language |