| Acronym | Meaning |
| ATIS | Atherton Tool Integration Services (dec) |
| WT | Weight |
| VOR/ILS/MB | Vhf Omni Range/instrument Landing System/marker Beacon |
| LSHMT | List Of Standard/modified Hand Tools |
| FIM | Framework Information Model |
| REC | Record |
| OGE | Out Of Ground Effect |
| UHF DAMA | Uhf Satellite Demand Assigned Multi-access |
| FAT | File Access Table |
| IMC | Instrument Meteorological Conditions |