Was out shooting last Friday and i notice when going through the footage there was a helicopter shadow pass right over me... as it was a yacht race, there was a heli with pontoons that was flying as close as 10 feet to the water, and even landed in the ocean. Not sure if this low flying is completely legal, but i had to constantly keep an eye out for this thing. You can see the fly over shadow and the heli itself in the following shot in the video: