tomp94 Posted March 18 Share Posted March 18 Pmdg 777 and today 737 bobs up and down during cruise, and cannot maintain correct altitude. Trim wheel is constantly turning. I think I have everything set up correctly....what else could be wrong? Eg Cruise set at FL370. Altitude goes to FL375 then down to FL365. Trim wheel constantly on the go. As far as I'm aware it was set correctly pre take off as per FMC. I've come back to flight simulation after a dlfew years away, everything is freshly installed. Please help! thank you Link to comment Share on other sites More sharing options...
PhrogPhlyer Posted March 19 Share Posted March 19 Is there any turbulence set in wx? Could the autopilot be compensating for turbulence induced altitude variations? Always Aviate, then Navigate, then Communicate. And never be low on Fuel, Altitude, Airspeed, or Ideas. Laptop, Intel Core i7 CPU 1.80GHz 2.30 GHz, 8GB RAM, 64-bit, NVIDIA GeoForce MX 130, Extra large coffee-black. Link to comment Share on other sites More sharing options...
snave Posted March 20 Share Posted March 20 Need to set barometric pressure to Flight Level. `B` key is your friend. Link to comment Share on other sites More sharing options...
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