air traffic control
noun
Definition of air traffic control
: the process or system by which the movements of aircraft are monitored and directed by ground personnel communicating with pilots by radio improving the technology used for air traffic control; also : the personnel who operate an air traffic control system Pilots would still have to file flight plans, which could be modified by air traffic control if they posed any safety hazards. — David R. Hinson
Indulge Your Inner Word Nerd
1919
First Known Use of air traffic control
1919
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