| Acronym | Meaning |
| NSD | Navy Support Data |
| LSE | Langing Signal Enlisted |
| PSE | Peculiar Support Equipment |
| NAVAIR | Naval Air Systems Command |
| HMPC | Hazardous Maintenance Procedures Code |
| IOP | Input/output Processor |
| SSFC | Solid State Frequency Changer |
| SEB | Support Equipment Bulletin (tdc 63) |
| MP/M | Multiprogramming Control Program For Microprocessors |
| RNS | Radar Navigation Set |