| Acronym | Meaning |
| CVG POS | Compressor Variable Geometry Position |
| FCI | Functional Configuration Identification |
| TM | Technical Manual |
| DFR | Digital Flight Recorder |
| O&S | Operating And Support |
| CPM | Critical Path Method |
| PRC | Propeller Change (tdc 64) |
| FCTM | Functionally Oriented Technical Manual |
| NGR | Gas Generator Speed Right |
| ECN | Engineering Change Notice |