RedactedNarrative: UNIT 1 AND UNIT 2 WERE TRAVELING SOUTH ON THE ICW IN HORRY COUNTY.  UNIT 2 CAME ALONGSIDE UNIT 1'S PORT.  UNIT 2 WAS CLOSE TO UNIT 1 WHICH CAUSED UNIT 2 TO LOSE CONTROL OF HIS PWC.  UNIT 2 COLLIDED WITH UNIT 1.  THE OPERATOR OF UNIT 2 JUMPED FROM THE VESSEL BEFORE IMPACT.  THERE WERE NO INJURIES IN THIS INCIDENT.