| Acronym | Meaning |
| IBC | Ils Back Course |
| MFPL | Message Format Processing Language |
| THOTS | Technical Hands-on Training System |
| PPIL | Parts Provisioning Index List |
| DFR | Digital Flight Recorder |
| CDWG | Controls And Displays Working Group |
| JQR | Job Qualification Requirement |
| MMRI | Mandatory Mission Rule Item |
| IRAC | Interim Rapid Action Change |
| HM | Hydrogen Monitor |