| Acronym | Meaning |
| PAS | Primary Ascent System |
| SIVE | Shuttle Interface Verification EquiPment |
| DU | Display Unit |
| EPROM | Erasable Programmable Read Only Memory |
| SFEX | Solar Flare X-ray Polarimeter |
| ICOU | Inertial Coupling Data Unit |
| DD/HH:MM:SS | Day/Hour:Minute:Second |
| CAPS | Crew Altitude Protection System |
| SOA | RShuttle Orbital Applications And Requirements |
| CAS | Calibrated Airspeed |