| Acronym | Meaning |
| SL | Shelf Life |
| PER | Proposal Evaluation Report |
| TDP | Technical Development Plan |
| FOD | Field Operations Division |
| FS | Final Speed |
| NP | Power Turbine Speed |
| CCPT | Cockpit Control Position Transducer |
| SPS | Software Productivity Solutions |
| WCA | Warning/caution/advisory |
| FAA | Federal Aviation Agency |