| Acronym | Meaning |
 | GS | Ground System |
| CSTA | Crew Software Training Aid |
| ETA | Estimated Time Of Arrival |
| EBS | Emergency Breathing Subsystem |
| OPGUID | OPtimum Guidance (Technique) |
| S/AC | Stabilization/Attitude Control |
| HOL | High Order Language |
| W | Wide |
| RGRMA | Rate Gyro Redundancy Management Algorithm |
| HFS | Horizontal Flight Simulator |
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