Which control device helps manage the airplane's yaw?

The control device that helps manage an airplane's yaw is the rudder pedals. Yaw refers to the left or right movement of the aircraft’s nose around its vertical axis. The rudder, which is located on the vertical stabilizer (tail fin) of the aircraft, controls this yawing motion.

When a pilot pushes on one of the rudder pedals, it moves the rudder in the corresponding direction, effectively pivoting the rear of the aircraft. This is especially important during various flight scenarios, such as coordinated turns or when countering adverse yaw caused by the ailerons during roll maneuvers. Using the rudder helps maintain control and stability of the aircraft, ensuring that it flies straight and true.

In contrast, the elevator controls pitch (up and down movement of the nose), the throttle manages engine power (affecting speed and altitude but not directly controlling yaw), and ailerons control roll (movement about the longitudinal axis of the aircraft). Each of these control devices plays a different but crucial role in managing the aircraft's attitude and direction, but only the rudder specifically addresses yaw.