RedactedNarrative: Vessel 1 was on plane and struck Vessel 2 in a crossing situation, cutting Vessel 2 in half and ejecting the Operator and Occupant aboard Vessel 2.  The Operator and Occupant from Vessel 2 were assisted from the water by Watercraft Officers on scene working special duty for the event.  The Operator of Vessel 2 was treated and released on site for a bruised back.  The Occupant aboard Vessel 2 was not injured and received no treatment.  No injuries were reported for the Operator and Occupants aboard Vessel 1.  The Operator of Vessel 1 was found to be at fault for the collision and was cited for several violations.