Part of the appeal of watching him perform is the thrill of watching him career across the deck blasting off shots in all directions, wondering whether he will hit his own topmast before holing the enemy.
The loser of one popular game has to do a "forfeit, " such as singing "Puff the Magic Dragon" at the top of the mast, drinking beer through a snorkel and even swimming in shark-infested water.
There are eight "hazcams" front and back, to take stereo black-and-white pictures for depth perception, and four navigation cameras ("navcams") at the top of an extendable mast.
Capturing such striking images comes with its dangers, as Kos discovered in the early 1990s when the yacht she was photographing capsized while she was at the top of its 18 meter mast.