| Acronym | Meaning |
| SODS | Skylab Orbit-Deorbit System |
| MDA | Maintainability Design Approach |
| KPPS | KiloPulses Per Second |
| CIN | Change Identification Number |
| FSAA | Flight Simulator For Advanced Aircraft |
| CWEU | Caution And Warning Electronics Unit |
| CHAR | Character |
| PAC | Problem Action Center |
| SSPDB | Subsystem Power Distribution Box |
| ACES | Acoustic Containerless Experiment System |