How Air Traffic Control Works | HowStuffWorks
https://science.howstuffworks.com/transport/flight/modern/air-traffic-control.htm
WebMay 12, 2021 · How Air Traffic Control Works. By: Craig Freudenrich, Ph.D. | Updated: May 12, 2021. Flight Image Gallery. During peak air travel times in the United States, there are about 5,000 airplanes in the sky every hour. This translates to approximately 50,000 aircraft operating in our skies each day.
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