| Acronym | Meaning |
| DME | Distance-measuring Equipment |
| MGE | Maintenance Ground Equipment |
| ORDC | Orbiter Data Reduction Center |
| QUIC | Quality Data Information And Control |
| KEAS | Knots Equivalent Airspeed |
| IPB | Illuminated Push Button |
| GT | Greater Than |
| MACH | Velocity Relative To The Speed Of Sound |
| CDF | Central Data Facility |
| DBN | Data Bus Network |