In article . net,
Ryan Ferguson wrote:

Jeremy Lew wrote:

Is this true of the newer S-TEC autopilots as well? My club plane is
getting a 55X installed soon.

No, the 55X disregards the heading bug when the HDG mode is disengaged.
Overall, a much better, more modern autopilot compared to Century.

-Ryan

For sure, the Century is not a modern unit. Near as I can tell, the
design is about 20 years old. I gotta assume newer units are more
sophisticated.