11-11-2009, 02:30 AM
It happens more in western Europe than anywhere else, so far, especially heading accross the Channel, but I have also run across it in the central US. I believe you are right in that this is an FS9 issue. Once my altimeter is set to "Standard" (29.92") above TA...I should not see any sudden changes in altitude. This has been going on for many years and it's one of those "one day I'm going to ask about this". I finally asked.
