| Acronym | Meaning |
| PBIT | Periodic Built-in Test |
| NVM | Non-volatile Memory |
| CAPTOR | Underwater Mine (mk 60, Mod 0) |
| DAIR | Direct Altitude And Identity Readout |
| MTBD | Mean Time Between Demands |
| STE | Special Test Equipment |
| SCADC | Standard Central Air Data Computer |
| SSC | Support Software Change (tdc 95) |
| NAVTRASYSCEN | Naval Training Systems Center |
| AAAA | Army Aviation Association Of America |