| Acronym | Meaning |
| SID | Simulator Interface Devices |
| SS | Sunset |
| COS | Cosine |
| CBV | Cabin Bleed Valve |
| IDR | Initial Design Review |
| ST | Star Tracker |
| FO/FS | Fail-Operational/Fail-Safe |
| GOAL | GrGOALGround Operations Aerospace Language |
| MSE | Measuring And Stimuli Equipment |
| HPRV | Hydrogen Pressure Relief Valve |