| Acronym | Meaning |
| SYM | Symbology |
| SSU | Saybolt Seconds Universal |
| PDS | Power Demand Signal |
| SCM | Software Configuration Management |
| EDR | Equivalent Direct Radiation |
| MC | Maintenance Control |
| JVX | Joint Services Vertical Lift Aircraft Experimental |
| FABITAL | Fadec Fail Bit, Channel A Left Engine |
| TUSS | Trainer Unique Subsystem Units |
| SDC | Shaft Driven Compressor |