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Aviation
Dealing with vehicles or machines used in flight or propulsion through the air.
14Categories 89331Terms
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Aviation > Airport 
selective calling system (SELCAL)
Aviation; Air traffic control
A system that provides an automatic and selective method of calling any aircraft. Voice calling is replaced by the transmission of code tones to the aircraft over the ...
traffic alert and collision avoidance system (TCAS)
Aviation; Air traffic control
A type of airborne collision avoidance system (ACAS) based on a family of airborne equipment that functions independently of the ground-based ATC system to detect potential ...
non-radar separation
Aviation; Air traffic control
The separation used when aircraft position information is derived from sources other than radar.
tactical air navigation aid (TACAN)
Aviation; Air traffic control
An ultrahigh frequency electronic rho-theta air NAVAID that provides suitably equipped aircraft with a continuous indication of bearing and distance to the TACAN station.
radar separation
Aviation; Air traffic control
The spacing of aircraft in accordance with established minima, based on information derived from radar sources.
pilots' automatic telephone weather answering system (PATWAS)
Aviation; Air traffic control
An automated telephone answering system providing up-to-date weather information to pilots.
Sub-categories
- Aeronautics (18944)
- Air traffic control (14233)
- Aircraft (22883)
- Aircraft maintenance (1634)
- Airframe (736)
- Airline (2189)
- Airplane flying (18062)
- Airplanes & equipment (4488)
- Airport (11900)
- Avionics (154)
- General aviation (1759)
- Helicopter (80)
- Jet engines (2630)
- Powerplant (618)