| Acronym | Meaning |
| EADI | Electronic Attitude Director Indicator |
| SSC | Subsystem Computer |
| FCF | First Captive Flight |
| PK | Peak (Valve) |
| SPRAG | STS Payloads Requirements And AnalYsis Group |
| RICC | Remote Intercomputer Communications Interface |
| MTC | Mission And Traffic Control |
| FPR | Flight Performance Reserve |
| SP | Single Pole |
| CVR | Configuration Verification Review |