| Acronym | Meaning |
| SCMT | Ship Control Maintenance Trnr (trident-11d99) |
| APC | Approach Power Compensator |
| LCK | Lock |
| TCAP | Trainer Corrective Action Program |
| RCC | Report Control Code |
| SEP | System Engineering Process |
| SRS | Software Requirements Specification |
| HFIP | High Frequency Improvement Program |
| WCA | Warning/caution/advisory |
| AZ | Azimuth |