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ALTIMATIC II failure

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N37HE

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Oct 4, 2016
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Hi guys.

I have got a Comanche PA24-260B, with an Altimatic II since 12 years and about 1'500 flight hours on it.
Yesterday, I almost killed myself due to a autopilot failure, just after the take-off, in the cloud layer and in the middle of high montains (Lugano, in Switzerland, LSZA). It fliped in 5 seconds on the back ! Never so scared.
I retried the manipulation 30 minutes after, in VMC and high altitude.
You can figure out here (https://www.facebook.com/rey.gregoi...otif_id=1541885984734358&notif_t=feed_comment) how it is violent : in 5 seconds, it rolled 180° and lost 400 ft...
Someone had this problem already ?
 
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