| Acronym | Meaning |
| MTBERA | Mean Time Between Essential Replacement Action |
| VSWR | Voltage Standing Wave Ratio |
| FPS | Feet Per Second |
| NAVAIDS | Navigation (navigational) Aids |
| PCTL | Percentile |
| SCC | Significant Character Code |
| RT | Receiver Transmitter |
| FOTM | Functionally Oriented Technical Manual |
| IEEE | Institute Of Electrical And Electronic Engineers |
| TEC | Type Equipment Code |