What is the maximum number of aircraft allowed in the pattern during tower-controlled operations?

The maximum number of aircraft allowed in the pattern during tower-controlled operations is four. This limit ensures that air traffic controllers can efficiently manage and maintain safe separation between aircraft while they are in the pattern, which typically involves takeoffs, landings, and go-arounds at an airport.

Having four aircraft in the pattern allows for a structured and organized flow of air traffic. Each aircraft can be sequenced safely to prevent conflicts and ensure that they are properly spaced as they approach the runway or prepare for departure. This also facilitates effective communication between the tower and pilots, as controllers can provide clear instructions without overwhelming the operational capacity of the airspace.

In contrast, fewer aircraft would not fully utilize the capacity of the runway and surrounding airspace, while having more than four could complicate operations and increase the risk of collisions or miscommunications. Therefore, a limit of four aircraft strikes an optimum balance between efficiency and safety in air traffic operations.