| Acronym | Meaning |
| TOPR | Top Right |
| THDG | True Heading |
| RPM | Revolutions Per Minute |
| COTR | Contracting Officers Technical Representative |
| NGCR | Next Generation Computer Resources (navy Program) |
| MTBD | Mean Time Between Demands |
| DSM | Discrete And Serial Module |
| I/O | Input/ouput |
| WF POS | Fuel Flow (metering Valve) Position |
| HC | Hazardous Code |