RedactedNarrative: THIS CRASH OCCURRED AS OPERATOR 1 WAS MOTORING NORTH OUT OF A COVE AND ACCELERATED. VESSEL 1 STRUCK AN UNIDENTIFIED UNDERWATER HAZARD, CAUSING A HULL FAILURE, AND BEGAN TO TAKE ON WATER. AFTER THE IMPACT, OPERATOR 1 ACCELERATED AND NAVIGATED TO THE LONG SHOAL CORPS RAMP, WHERE OPERATOR 1 BEACHED THE VESSEL ON THE CONCRETE RAMP. NO INJURIES.