March 28, 200620 yr HiWhat is happening here in the attached photoI'm having problems trying to control the aircraft in any mode although it is being commanded by LNAV OK. When I engage VNAV the aircraft goes into a rapid 5000fpm climb with 306 tonnes. Eventually going into a stall.You can also see a height retriction of 9000 being ignored.I do not have similar problems with any other PMDG aircraft or from other sources.I would be grateful for any suggestions.ThanksBob Wright
March 30, 200620 yr It looks to me that your VNAV is out to lunch. What have you got programmed in the FMC regarding VNAV? Do you have the proper ZFW entered? Cruise alt?
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