Hello,I use the PMDG from some time and I get a problem now with my PMDG... I can't fly with VNAV ALT... I mean if I put another altitude that the one in the FMC, VNAV got disconnected as if the "Enable VNAV ALT" wasn't checked.Is that related to something I forgot ?Maybe with the livery ? Only available on my 767 from a specific company ?THank you for you answer.

Can't edit but I'm sorry for the missing signature.Fran

Hello, VNAV ALT works on the 747-400. Can you supply use with what aircraft-version you are using?Best,Randy J. Smith<<>>

I speak about 737-700 and 737-800 but I get also the 747 that's why I have this option...But seems to be not functional anymore on my planes or it was perfectly working about 2 weeks ago before I install the sound update of 747... Don't think it's related but...Anyway, the VNAV alt should work correctly on my plane, dunno why but it don't work anymore and I get MCP Alt message when using VNAV when I never get it anymore from the time I checked the "Enable VNAV Alt" in the PMDG Configuration module... Any suggestion ?