RedactedNarrative: OPERATOR 1 WAS OPERATING VESSEL 1 WHILE CRUISING ON PLANE AS VESSEL 2 WAS DOCKED ON A BOAT LIFT UNOCCUPIED. OPERATOR 1 FELL ASLEEP WHILE VESSEL 1 WAS UNDERWAY CAUSING VESSEL 1 TO STRIKE THE STERN OF VESSEL 2. VESSEL 2 WAS PUSHED OFF THE BOAT LIFT AND ONTO THE DOCK CAUSING DAMAGE TO THE DOCK. ALL OF THE OCCUPANTS ON VESSEL 1 SUSTAINED INJURIES FROM THE COLLISION. THERE WAS EXTENSIVE DAMAGE TO VESSEL 1 AND 2 FROM THE COLLISION.  Operator1 was arrested for operating under the influence of alcohol.