RedactedNarrative: THE PRIMARY CAUSE OF THIS VESSEL CRASH IS OPERATOR 1 OPERATING VESSEL 1 IN A CARELESS AND IMPRUDENT MANNER BY DRIVING IN CIRCLES IN THE MIDDLE OF BOATING TRAFFIC.  VESSEL 1 BEING OPERATED AT EXCESSIVE SPEED WHILE TURNING CAUSED OPERATOR 1 TO BE THROWN OR FALL FROM VESSEL 1 WAS A CONTRIBUTING FACTOR, AS WELL AS HIS LACK OF EXPERIENCE OPERATING VESSEL 1.  THE IMPACT WITH THE WATER CAUSED MINOR INJURIES.