Some Items have different Rotations on Windows / Linux Servers. We couldnt believe it until we doublechecked on different Win/Linux Servers.
Items we found (but there could be more):
Funny Background-Story: Our Mission maker attached a plane to a mobile phone to prevent it from moving. He did all his test on his windows server. On Event day the phone was turned up 90 degrees and so was the plane. Did cost him some sweat to prevent the players to see the mess :D