1. Download a ship like this one here: http://forums.bistudio.com/showthread.php?158772-Big-PHYSx-compatible-ship-LCS-2-technological-demonstrator [^]
2. Place any ground vehicle on the deck of the ship from link above. Set a waypoint for the ship and try to drive around or move around on the deck while the ship is in motion.
3. Repeat step 2 with aircraft.
There is also a repro mission below that uses the LCS from the link above.