I can’t seem to fly above FL16 without a terrible up and down rocking motion with the TBM or Longitude. This started recently for me. I’ve tried switching from live to preset weather without much luck. If I turn off AP the plane flies normal but seems very trimmed up. Anyone know a work around …

Yah, learn how to trim your plane correctly..lol Just kidding… Without knowing anything more like what speed your going, I am guessing that you are flying faster than cruise. If you are its almost impossible to fly completely level , even AP has trouble with it.. Try flying slower..Use combination…

Use VS instead of FLC. That’s what I do in the TBM.

Thanks for the tips but I have like 80 hours with the planes, and 1000 hours on FSX. I’ve avoid the FLC as I heard that might cause the issue. Flying the same procedures as before, It’s a new issue since the latest patch.

OK… maybe its a tbm issue.. i fly mainly the Caravan and dont have an issue with it.. Good luck..

If others have this issue please VOTE … Thanks! I was hoping for a workaround in the meantime but sounds like I’m dead in the water. [image] The dolphin dance is back in 1.9.3.0 (pitch oscillations) Resolved Can you hear the dolphins cry?!.. I wish I didn’t. This infam…

30 plus hrs on the tbm, nothing like this going on at. Ap rock steady at every alt I’ve used, 400 to 30,000 Not every level of course :smirking_face: as well as manual controlling… Check all of your keyboard setting, throttle Quad, stick and/or yoke, mouse also… settings for conflicts. Disconnect…

I’ve experienced this for the first time on the TBM yesterday on FLC during the climb. The porpoise was so violent that the only way I got things under control was to disengage and re engage the autopilot. It didn’t happen again in cruise thankfully.

The problem is horrible with the Longitude. We must be true and admit that there are problems. Just because it doesn’t happen to everyone, doesn’t mean it’s not happening!

[image] Currentwhammo: Just because it doesn’t happen to everyone, doesn’t mean it’s not happening! Yeah I’ve had this happen in the cj4, and tbm as well. Later that day I had flights that didn’t do it - only difference was that I only used vs mode instead of flc Lots of factors at play sin…

[image] FlippinFlow: I can’t seem to fly above FL16 without a terrible up and down rocking motion with the TBM This must be a new issue, as I was at FL400 above a hurricane, not that it makes any difference at that altitude, but it was rock solid, other than compensating for aggressive crossw…

Any work around for the porpoise effect?

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FlippinFlow October 6, 2020, 1:15am 6

If others have this issue please VOTE … Thanks! I was hoping for a workaround in the meantime but sounds like I’m dead in the water.