When I saw this happen - and I can not seem to duplicate it now - turning on the lights made the missing parts reappear. In other words, they only disappeared when the lights were off. Anybody else notice the same thing? Looks like your lights are off in the screenies, Ken.Bill RambowMAAM-SIM http://www.fssupport.com/maam/maamsim_neon.gif

I also was able to make the disappearing parts reappear by turning on the lights. On a whim, I tried reinstalling my graphics drivers (the same set that exhibited the problem),and that seems to have fixed it for me. 'Course as soon as a post this, the parts will probably vanish again just to show me that my PC is smarter than I am.

>Too bad changing drivers doesn't resolve the problem! Very>intriguing the more so that other people with different video>cards see it too. Would be interesting to see a post from>someone using one of the same cards as are mentioned here and>NOT having this problem...>>Say,guys, when this phenomenon occurs, can you make the>dissapearing part turn up again by changing your view point in>any sort of way ? >>David, can you put up a screenshot of the vanished engine>cowling top,please ? >>cheers,>Jan> I'm not using an nVidea card on my new system...it has an ATI X800. For what it's worth I haven't seen the "disappearing parts" on any of my aircraft. This is not a comment on any video card. Vic