AP can't lock onto FMS path after sharper turns

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jsmirnoff77
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Joined: Tue Jan 05, 2021 4:53 pm
AP can't lock onto FMS path after sharper turns

Post by jsmirnoff77 » Mon Jan 25, 2021 6:27 pm

Hi all,

I was wondering if I am doing something wrong, but on sharper turn the AP can't follow FMS very well - it happens on sharper turns after which it tries to correct its course but constantly oversteers left and right resulting in a zigzag shape - it sometimes creates issues on approach via localizer. Any insight?

Regards,

Jeremy Smirnov
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admin9
Posts: 52
Joined: Thu Jun 04, 2020 6:25 am
Re: AP can't lock onto FMS path after sharper turns

Post by admin9 » Mon Jan 25, 2021 10:12 pm

I have this issue sometimes and it has been reported a fair bit. Not sure what the devs ended up doing about it.

Assuming these are similiar issues? viewtopic.php?f=105&t=12317
viewtopic.php?f=105&t=12619
viewtopic.php?f=105&t=12681
viewtopic.php?f=105&t=12372
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Slayer
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Re: AP can't lock onto FMS path after sharper turns

Post by Slayer » Mon Jan 25, 2021 11:25 pm

Indeed it is the same issue. There will be an adjustment to it's handling in the future. I don't have an ETA for you right now though. I would suggest using heading select mode maybe if you see you have a very sharp turn coming then resume FMS navigation once you are stabilized.
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jsmirnoff77
Posts: 14
Joined: Tue Jan 05, 2021 4:53 pm
Re: AP can't lock onto FMS path after sharper turns

Post by jsmirnoff77 » Tue Jan 26, 2021 12:17 am

Thanks, Steve.
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