| Acronym | Meaning |
| LCS | Instrumentation Control SYstem |
| SCS | Spacecraft Control System |
| OP | Operation |
| SDR | Spacelab DisPosition Record (ESA) |
| LV | Load Vertical |
| OPPAR | Orbiter Project(s) Parts Authorization Request |
| UV | Microvolt |
| RPOC | Remote Payload Operations Center |
| OC | On Center |
| CPCR | Computer Program Change Request |