The airplane was destroyed when it was ditched at about 1855 Pacific time. Of the five on board, two persons (one of whom was a Private pilot) sustained fatal injuries, two persons (one of whom was a Commercial pilot) sustained serious injuries, and one person sustained minor injuries. Visual conditions prevailed for the cross-country flight, which departed Redmond, Ore., at about 1713. During the airplanes initial approach to the destination airport, the pilot reported having an engine problem but reported the flight did not require assistance. Subsequently, another pilot told the controller the airplane hit the water.