RedactedNarrative: Operator/Injured was operating in the middle of Williams Bay. Operator/Injured stated he was completing his usual two hot laps around the middle of the Bay before heading out to go fishing. While in full throttle the wheel jerked and he was ejected from his boat. The Operator/Injured swam away from the boat, which was still operating in circles. Operator/Injured stated his clothes and shoes were weighting him down and he began to drown. A witness at Pier 290 and saw something fly off of the boat but didn't  think it was a person. Another witness stated that he also witnessed the boat operating in the middle of the lake and noticed that the boat was doing small circles and there was not an operator in the boat. The Operator/Injured was located as he started to go unconscious and started to go under the water. The Operator/Injured was pulled into the rescue boat.  Witness stated that the Operator/Injured was not breathing.  The Operator/Injured was taken to Pier 290 where CPR was begun.