| Acronym | Meaning |
| FDS | Functional Design Specifications |
| IFB | Invitation For Bid |
| HE | Heat Exchange (Exchanger) |
| NRL | Naval Research Laboratory |
| PCMS | Pulse-Code Modulation Shared |
| DFI | Development Flight Instrumentation |
| OEM | Original Equipment Manufacturer |
| MP | Mass Properties |
| IAT | Integrated Avionics Test |
| DEDA | Data Entry And Display Assembly |