| Acronym | Meaning |
| PFM | Precision Flight Mode |
| DT&E | Development Test And Evaluation |
| FADIGAL | Fault Diagnostics, Channel A, Left Engine |
| NATC | Naval Air Test Center (pax River) |
| TM | Technical Manual |
| OPNAV | Chief Of Naval Operations |
| UMTS | Universal Maintenance Training System |
| LF | Low Frequency |
| P/N | Part Number |
| IMA | Intermediate Maintenance Activity |