KayakingAfter the frequent attempts at Bribery, beatings, and simply getting towed at Sunrise - S-B opens the Kayak Forums
Also see http://www.ultimatekayakfishing.com
He was too far away to be sure but I assume he capsized and couldn't get back on/in. I'm convinced if he was waving a red flare that first boater would have noticed him. A whistle is a good idea but I'm not sure it can be heard over a 2 stroke outboard.
He was in thw water before the boat drove pst him. The point I was making was that a flare would have mde him much more visible to that boater, who drove past him twice without seeing or hearing him.