| Acronym | Meaning |
| PRR | Production Revision Request |
| DAWIA | Defense Aquistion Workforce Improvement Act |
| ACC | Aircrew Change (tdc 66) |
| OPI | Optional Procedure Indicator |
| DTE | Developmental Test Equipment |
| C/S | Course And Speed |
| T3 | Compressor Discharge Air Temperature |
| RSQ | Rescue |
| YSD | Seaplane Wrecking Derrick (self-propelled)(misc) |
| SCN | Specification Change Notice |