| Acronym | Meaning |
| MDS | Minimum Discernible Signal |
| TMP | Time Management Processor |
| PK | Peak (Valve) |
| PI | Principal Investigator |
| NPN | NASA Part Number |
| CPDDS | COmPuter Program Detail Design Specification |
| PMP | Performance Management Package |
| FCT | Flight Crew Trainer |
| DP/DT | Delta Pressure/Delta Time |
| SA | Site Activation |