What is the main duty of a tower controller?

• A. To provide weather services to pilots
• B. To direct aircraft during takeoff and landing at an airport
• C. To handle flight planning and clearances
• D. To monitor in-flight aircraft operations

Answer: (B)

The main duty of a tower controller is to direct aircraft during takeoff and landing at an airport. Tower controllers play a critical role in ensuring the safe and orderly movement of aircraft on the runways and taxiways. They provide instructions to pilots regarding when it is safe to take off or land, managing the flow of air traffic in a terminal area to prevent collisions and ensure smooth operations. Their responsibilities center around real-time communication with pilots, issuing clearances, and managing the traffic on the airfield, which is essential for maintaining safety and efficiency at the airport.

Other options, while related to air traffic control functions, do not capture the primary responsibility of a tower controller. For example, providing weather services is typically a component of broader flight service support, flight planning and clearances often fall under the jurisdiction of clearance delivery or ground control, and monitoring in-flight aircraft operations is generally managed by en-route controllers rather than tower controllers who focus mainly on the immediate airport environment.