What does the rudder control on a Cessna 172?

The rudder in a Cessna 172 primarily controls yaw, which refers to the horizontal movement of the aircraft's nose left or right around its vertical axis. When the pilot applies pressure to the rudder pedals, the rudder deflects to either side, influencing the direction the aircraft's nose points. This is crucial for coordinated turns, as it helps counteract adverse yaw—where the aircraft’s nose moves in the opposite direction of the turn due to differences in wing lift and drag.

Yaw control is especially important during various phases of flight, including takeoff, landing, and maneuvering in the air. Effective use of the rudder allows the pilot to maintain proper aircraft control and orientation, contributing to overall flight stability and performance. Understanding this role of the rudder is essential for safe flying and effective handling of the aircraft.