Another rule many sailors are not aware off is that a boat coming upwind on Port must give way to a boat coming downwind on starboard.

I have had quiet a few close calls with boats both rounding the bottom mark on port when I am coming in hot on starbord with the kite up and boats coming into the top mark on port when we are coming around and setting the kite on starboard.

It amazes me that many people on the race course do not realise their obligations in these situations. If you mess up here, you can kill some one.