RedactedNarrative: OPERATOR 1 WAS OPERATING VESSEL 1 WHEN TOWING TWO WATER TUBES, AS THE OPERATOR WAS MAKING A TURN BOTH PASSENGERS ON THE TUBE WHEN AIRBORNE AND WERE THROWN OFF THE TUBE. ONE OF THE RIDERS LANDED ONTO TOP OF THE OTHER TUBE RIDER AND SUSTAINED INJURIES. ONLY THE ONE TUBER SUSTAINED ANY INJURIES ALL OTHER OCCUPANTS ON THE VESSEL WERE UNINJURED.