| Acronym | Meaning |
| PCR | Publication Change Request |
| CCIM | Command Computer Input Multiplexer |
| EMRL | Equipment Maintenance Requirements List |
| KHZ | Kilohertz |
| FRT | Flight Readiness Test |
| RPLC | Replace |
| DFS | Directional Finding System |
| HID | HIM Interface Distributor |
| NAVAID | Navigation Aid |
| RDC | Request For Document Change |