Why does my B738 Climb and decend uncontroabally?

0 votes
asked Aug 9 by tneubart (15 points)
My B738 is uncontrollably climbing and descending whenever the 'ALT HOLD' comes on the Autopilot. This has been happening for several flights now, and it has not stopped, I am able to take off ok, but whenever I hit my cruising altitude and try to level off, the plane starts climbing and descending rapidly all the way up to V.S. 9999+ and -9999. This issue has really started to annoy me and I really want this fixed.

Thank you

1 Answer

0 votes
answered Aug 9 by amelingu (1,743 points)
Hi, what's your X-plane version? The latest beta is 11.05r1. Can you post a video (with a dropbox link for instance) of what you are doing to reproduce this bug.

Can you include your X-plane 11\log.txt file?

In the meanwhile, you could try and delete (or move for backup) X-plane 11\Output\preferences folder, see if it solves the problem.

Best regards,

Guillaume

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