Operator was sailing the IA7105BF, 1995 E Scow with six others on board.  The boat was sailing with 11 mph winds, when a sudden gust caused the sailboat to capsize.  As the boat flipped, one person fell on the boom as he was thrown out of the boat, bruising his back and kidney area. One person saw the accident and responded in IA9989BH, 2013 Sea Ray, with two others.
OKOBOJI                       