| Acronym | Meaning |
| NAD | Naval Aviation Depot (formerly Narf) |
| FCC | Federal Communication Commission |
| XTI | X/open Transport Interface |
| RFP | Request For Proposal |
| P3 | Compressor Discharge Total Pressure |
| THDG | True Heading |
| FCTM | Functionally Oriented Technical Manual |
| DR | Door |
| HMU | Helmet Mounted Unit |
| ICAP | Increased Capacity |