| Acronym | Meaning |
| PSS | Payload Specialist Station |
| RTCS | Real-Time Computer System |
| KEAS | Knots Equivalent Airspeed |
| OIR | Operations IntegrationReview |
| RLY | Relay |
| DEORB | Deorbit |
| TR2 | Payload Furnished Mars Tape Recorder (2 Of 2) |
| SLE | ERNO Spacelab Engineering |
| MLG | Main Landing Gear |
| FIR | Fuel Indicating Reading |