| Acronym | Meaning |
| VSWR | Visual Standing Wave Ratio |
| RDW | Return Data Words |
| SBA | Seat Back Assembly |
| T/C | Termination Check |
| OF | Operational FWD DSC Or MDM |
| PSC | Program Schedule Chart |
| FLG | Flange |
| I | D&CA Inverter Distribution And Control Assembly |
| EPD | Emergency Procedures Document |
| SAL | Shuttle Avionics Laboratory |