| Acronym | Meaning |
| PIP | Project Implementation Plan |
| FC | Flight Critical |
| SSMECA | Space Shuttle Main Engine Controller Assembly |
| IFT | In-Flight Test |
| CDS | Control Data Corporation |
| SMPTRB | Shuttle Main Propulsion Test Requirement Board |
| OCH | Orbiter Common Hardware |
| SC | Service Charge |
| SCA | Sequence Control Assembly |
| SDR | Software Design Requirements |