January 20, 201412 yr I spent ages setting this up, and it all worked really well - until it came to the time for take-off. I had my flightplan imported and all the FMC screens looked as they should be (I use PMDG 747 FMC a lot so think I know how to set things up - but I did run through the vasFMC docs too). As I began the take-off roll, always disaster: the FD would come on itself and the altitude selector switch itself to zero: nothing would get it to go back to my target altitude. I'd change the dial, turn off FD, turn off A/P, but the altitude selector would instantly go back to 00000. The v/s selector would then go to a negative figure of course and the a/c fall from the skies. In the FMC the target altitudes at each waypoint looked OK... So after hours of experimenting, I uninstalled the software. Now at least I can fly (I was trying vasFMC in the PA a380). Any ideas why this happened every 'flight'? I could give it another try if anyone can see what I was doing wrong! Martin Martin Stebbing, EGLF (UK)
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