| Acronym | Meaning |
| MED | Manual Entry Device |
| CI | Course (deviation Display) Invalid |
| MMH | Maintenance Man-Hour |
| KOI | Kano |
| PDR | Preliminary Data Requirements |
| MIP | Modification Instruction Package |
| GPI | Ground Position Indicator |
| PR | ProblemReport |
| DDA | Digital Differential Analyzer |
| VGZ | Velocity To Be Gained (Body Z-Axis) |