Backcourse & Yaw Damper

Pro Member Captain
Doyley Captain

What do these buttons on AP do?

Thanks 😀

3 Responses

Pro Member Chief Captain
Jonathan (99jolegg) Chief Captain
Don Wood Guest

Yaw is the physical characteristic of an aircraft in which the nose moves toward one side or the other, often in a back and forth or oscillating movement. In aviation texts it is called movement on the vertical axis. Some aircraft have almost no tendancy to uncommanded yaw. That is, the a/c is stable on its vertical axis. Others, especially highly manueverable a/c, have a higher propensity to yaw - that is they are inherently unstable on their vertical axis.

A yaw damper is a device that senses yaw and automatically makes small rudder corrections or trim corrections to prevent yaw from developing to a troubling degree. I have not flown an a/c with a yaw damper installed in many years. For the most part, a/c that have that tendancy are either hand flown at all times or the autopilot automatically corrects for yaw.

Pro Member First Officer
JTH First Officer

Great explanation, Don. Thanks 🙂

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