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Stec 50 AP alt hold hunting

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2013grandsport

Well-Known Member
Joined
May 14, 2017
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So finally flew my new to me viking and the AP is acting up. Holds the heading bug and nav function nicely, but seems to hunt to hold altitude. Up and down 200 fpm each way. Never giving me a trim up or down orange light either which seems odd. Any input?
 

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