| Acronym | Meaning |
| TPDS | Test Procedures DeveloPment System |
| MTK | Mechanical Time Keeping |
| PCA | Point Of Closest Approach |
| T-0 | Takeoff |
| G | LOW Ground Lift-Off Weight |
| LOLI | Limited Operational-Life Items |
| MAP | Mission Application Program |
| SODB | Shuttle Operational Data Book |
| FVMS | Fluid Volume Measurement System |
| HIV | Helium Isolation Valve |