air traffic control
nounUK /ˈeə ˌtræf.ɪk kənˈtrəʊl/
US /ˈer ˌtræf.ɪk kənˈtroʊl/
Air traffic control is the team of people who tell planes where and when to fly so they stay safe.
The pilot called air traffic control before landing at the busy airport.
OTHER MEANINGS
2. The system of equipment and computers used to guide planes.
The new air traffic control system helps track hundreds of flights at once.
3. The place or tower where controllers work.
We visited air traffic control and saw the big radar screens.
4. The act of managing the movement of planes in the sky.
Good air traffic control keeps planes from getting too close to each other.