| Acronym | Meaning |
| L | Lumen |
| CTS | Ci'mPuter Test Set |
| SDRD | SuPplier Documentation Review Data |
| MADS | Modular Auxiliary Data Systems |
| GHC | Ground Half Coupling |
| BP | Capacitance |
| MTBR | Mean Time Between Replacement |
| IPS | IRIG-BInterrange Instrumentation Group B |
| PSPA | Pressure Static Probe Assembly |
| SPIMS | Shuttle Program Information Management System |