A to Z of Aviation Terminology - (Y)




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Yaw in aviation refers to the rotational movement of an aircraft around its vertical axis, which is perpendicular to the aircraft's longitudinal axis and runs from nose to tail. Yaw causes the aircraft's nose to turn left or right, relative to its direction of flight, and is controlled by the rudder on the tail of the aircraft.

Yaw is one of the three basic motions of an aircraft, along with pitch (rotation around the lateral axis) and roll (rotation around the longitudinal axis). In flight, yaw is important for maintaining the aircraft's heading and for making turns. The pilot uses the rudder to control the yaw of the aircraft, and the aircraft's yaw stability is maintained by the design of the aircraft and the control surfaces.

In general, yaw stability is important for the safe and efficient operation of an aircraft. A properly designed aircraft will have a stable yaw response and will not experience excessive yaw movements during normal flight conditions. If the yaw stability of an aircraft is compromised, it can lead to difficulties with controlling the aircraft, which can be dangerous and result in loss of control.
The yoke refers to the steering wheel or control column in the cockpit of an aircraft, which is used by the pilot to control the aircraft's direction of flight. The yoke is typically located in front of the pilot and is connected to the control surfaces of the aircraft, such as the rudder, ailerons, and elevators. The yoke is used by the pilot to control the roll, pitch, and yaw of the aircraft. Moving the yoke left or right causes the ailerons to deflect and the aircraft to roll. Moving the yoke forward or backward causes the elevators to deflect and the aircraft to pitch up or down. Turning the yoke left or right causes the rudder to deflect and the aircraft to yaw. The design of the yoke varies between different types of aircraft, but the basic function is the same. The yoke is an important component of the aircraft's control system and is essential for the safe and efficient operation of the aircraft. Pilots must be trained to use the yoke and to understand the relationship between the yoke and the control surfaces of the aircraft.

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