| Acronym | Meaning |
| SEPG | Software Engineering Process Group |
| FCCS | Forward Cabin Control Station |
| EOF | End Of File |
| DME | Distance Measuring Equipment |
| SRR | Software Requirements Review |
| ATC | Air Traffic Control |
| SCCB | Software Change Control Board |
| FFIB | Fuel Filter Impending Bypass |
| OFIBR | Oil Filter Impending Bypass Right |
| RDVT | Reliability Design Verification Test |