RedactedNarrative: UNIT 1 WAS THE RANGER SKI FOR THE GROUP AND WAS FACING NORTH.  UNIT 2 WAS A RENTAL SKI TRAVELING SOUTH.  UNIT 2 HIT A WAKE CAUSING THE OPERATOR TO FALL OFF.  UNIT 2 CONTINUED SOUTH STRIKING UNIT 1 IN THE STARBOARD BOW.  UNIT 2 WENT OVER UNIT 1 STRIKING UNIT 1 OPERATOR.  OPERATOR OF UNIT 1 DROVE HIMSELF TO THE HOSPITAL FOR TREATMENT.