There have been some threads around here where the it was questioned whether the GFC 500 yaw damper would act as a sort of automatic rudder trim. I ran across this quote from Garmin on a BeechTalk thread that may help clarify the intent of the design and the capabilities of the equipment. “An autopilot is not a replacement for a trim system. The trim system removes out-of-trim forces on the aircraft controls, and this is important whether hand flying or using the autopilot. As you know