What is the function of the elevator on the aircraft?

The elevator on an aircraft is a crucial control surface located at the tail, and its primary function is to control the aircraft's pitch. Pitch refers to the angle of the aircraft's nose relative to the horizon, which is critical for climbing or descending during flight. By adjusting the elevator, pilots can raise or lower the tail of the aircraft, causing the nose to move up or down. This manipulation allows for changes in altitude and is essential for effective flight maneuverability.

In contrast, roll is controlled by ailerons, which are located on the wings and help the aircraft turn by raising one wing and lowering the other. Yaw is managed by the rudder, which also is found at the tail of the aircraft and influences lateral movement around the vertical axis. Engine thrust is controlled separately by the throttles, which manage the power output from the engines and are not directly related to the aircraft's orientation in terms of pitch, roll, or yaw. Thus, the function of the elevator specifically aligns with controlling pitch during flight.