| Acronym | Meaning |
| THROT | Throttle |
| TIP | Thrust Inlet Pressure |
| DARS | Data Acquisition And Reduction System |
| SEACF | Support Equipment Assembly And Checkout Facility |
| CCS | Command And Control Subsystem |
| RRI | Rendezvous Radar Indicator |
| IPACS | Integrated Power And Attitude Control System |
| SPN | Shuttle Project Notice (KSC) |
| SS | System Software |
| PBIM | Programmable Buffer Interface Module |