| Acronym | Meaning |
| SSMECA | Space Shuttle Main Engine Controller Assembly |
| SPO | Spare Parts Order |
| HEM | Hitchhike Experiment Module |
| OGS | Quantity Gaging System |
| DBIA | Data Bus Isolation Amplifier |
| KATS | Kennedy Avionics Test Set |
| FDAI | Flight Director Attitude Indicator |
| TPM | Terminal Phase Midcourse |
| TBA | To Be Announced |
| ISI | Initial Systems Installation |