| Acronym | Meaning |
| EMT/MA | Elapsed Maintenance Time Per Maintenance Action |
| PAX | Passengers |
| FOM | Facilitate Other Maintenance |
| ISLN | Isolation |
| CMDS | Cockpit Management Display System |
| DMI | Depot Maintenance Interservice |
| CCB | Configuration Control Board |
| SQPP | Software Quality Program Plan |
| SREM | Software Requirement Engineering Methodology |
| CWA | Caution/warning Advisory System |