| Term | Definition | Tags |
| ETA | Estimate Time of Arrival... | ETA |
| FAA | Federal Aviation Administration... | FAA |
| FIR | Flight Information Region... | FIR |
| FM | Frequency modulation... | |
| FMS | Flight Management System... | FMS |
| GMT | Greenwich Mean Time... | GMT |
| GNSS | Global Navigation Satellite System
... | |
| GPS | Global Positioning System... | GPS |
| GPWS | Ground Proximity Warning System... | GPWS |
| HIRL | High intensity runway lights... | |
| HUD | Head-Up Display... | HUD |
| IAF | Initial Approach Fix... | IAF |
| IAS | Indicated Airspeed... | IAS |
| IATA | International Air Transport Association... | IATA |
| ICAO | International Civil Aviation Organization... | ICAO |
| IFR | Instrument Flight Rules... | IFR |
| ILS | Instrument Landing System... | ILS |
| IMC | Instrument Meteorological Conditions... | IMC |
| INS | Inertial Navigation Sytem... | INS |
| INS | Inertial Navigation System... | |