I reckon, with an extended leg and some swivel attachment, it may be possible to put a small surf board on a plane and surf.
Who will be the first, the race is on..... My practicing and messing about can be seen on
http://www.youtube.com/watch?v=LAFPv1daZ8w
Note it must be in a crest of a wave or on top of a wave, and noooooo giro's.