From Heli Smackdown on the Beach 2010 here is a close call. When you fly over water the nerves are on edge because if you crash you helicopter is gone for good. If you get the helicopter up from the water be sure that all electronics do have to be changed.
That is why this video is great there’s some balls on that pilot
Edit: check out this very long video from Heli Smackdown on the Beach 2010