Vessel #1 was traveling northbound on the Colorado River at Blankenship Bend.  Vessel #1 was traveling approximately 50 miles per hour.  Vessel #1 turned to starboard. while navigating the turn, vessel #1 encountered some wakes from boats heading up river ahead of it.  Vessel #1 began to slide then flipped over it''s port side ejecting all occupants.  Vessel #1 then drifted down river with the current until it grounded on the shallow sand bar.
Lake Havasu City, AZ          