| Acronym | Meaning |
| PAP | Product Assurance Plan |
| SLC | ERNO SPacelab Project Control |
| AST | Astro Star Tracker |
| IBM | International Business Machines |
| FCW | Format Control Words |
| EET | EntryElapsedTime |
| LPFT | Low-pressure Fuel Turbopump |
| PIPA | Pulse Integrating Pendulum Accelerometers |
| SERS | Shuttle Equipment Record System |
| NWSA | Nose Wheel Steering Amplifier |