| Acronym | Meaning |
| G/A | Ground-to-Air |
| OPL | Open Problem List |
| FSGS | Flare/Shallow Glide Slope |
| SIMAS | Shuttle Information Management Accountability |
| MAC | Military Airlift Command |
| OPPAR | Orbiter Project(s) Parts Authorization Request |
| BDCR | Baseline Document Change Request |
| NOMINAL | PerNominal Percent Defective |
| SCO | Start Checkout |
| EP | Elbow Pitch |