Air traffic controllers typically do the following :
Monitor and direct the movement of aircraft on the ground and in the air
Control all ground traffic at airport runways and taxiways
Issue landing and takeoff instructions to pilots
Transfer control of departing flights to other traffic control centers and accept control of arriving flights
Inform pilots about weather, runway closures, and other critical information
Alert airport response staff in the event of an aircraft emergency
Traffic Controller • 95899 Sacramento, CA, US