RedactedNarrative: THIS CRASH OCCURRED AS VESSEL 1 WAS DRIFTING WHEN OPERATOR AND PASSENGERS DECIDED TO SWIM AND COOL OFF. PASSENGER 2 JUMPED IN THE WATER AND DID NOT RESURFACE. PASSENGER 2 FINALLY RESURFACED, FLOATING FACE UP AND UNCONSCIOUS. NO VESSEL DAMAGE. PASSENGER 2 WAS SEVERELY DEHYDRATED.