RedactedNarrative: RENTED BOAT UNIT 1 WAS BEING GUIDED OUT OF THE MARINA BY TWO EMPLOYEES WHOM WERE ON A PIER AND GUIDING THE BOAT WITH ROPES. UNIT 2 WAS PULLING AWAY FROM ANOTHER NEARBY PIER AND HAD THE RIGHT-OF-WAY. SEEING UNIT 2 ON THE MOVE, THE MARINA EMPLOYEES YELLED OUT TO THE OPERATOR OF UNIT 1 TO PUT THE BOAT IN REVERSE. ATTEMPTING TO FOLLOW DIRECTIONS FROM THE MARINA EMPLOYEES, OPERATOR OF UNIT 1 ACCIDENTALLY HIT THE THROTTLE PUSHING IT FORWARD, CAUSING UNIT 1 TO MOVE FORWARD AND STRIKING UNIT 2 ON THE LEFT FRONT.