| Acronym | Meaning |
| VRR | Voice Recognition Response |
| IGNRQ | Ignition Request |
| PDS | Program Design Spec Udi-e-21268b/mod |
| HEL | High Energy Laser |
| COLL | Collect |
| PBR | River Patrol Boat (river/roadstead Craft) |
| CDPL | Compressor Discharge Pressure Left Engine |
| PSA | Problem Statement Analyzer |
| PRC | Propeller Change (tdc 64) |
| MMH | Maintenance Manhours |