| Acronym | Meaning |
| INTERCOMMUN | Intercommunications |
| T-0 | Takeoff |
| SCFM | Standard Cubic Feet Per Minute |
| RECV | Receive |
| FTIS | Flight Test Instrumentation System |
| HCSL | Hybrid Computation And Simulation Laboratory |
| DEU | Display Electronics Unit |
| FSS | Flight Support Station (for MMU) |
| EDS | Emergency Detection System |
| CCTV | Closed Circuit Television |