| Acronym | Meaning |
| DAIS | Data Avionics Information System |
| VOL | Volume |
| P&I | Performance And Interface (Specification) |
| CR | Crew |
| MST | Module Service Tool |
| HRSI | High-temperature Reusable Surface Insulation |
| B/SC | Brake Skid Control |
| IC/ES | Intercommunication/Emergency Station |
| VEL | Velocity |
| RAAB | Remote Amplifier Acquisition And Advisory Box |