RedactedNarrative: ACCORDING TO THE OPERATOR THEY WERE DRIVING SOUTH WHEN THEY HEARD AND FELT V1 HIT AN UNIDENTIFIED OBJECT CAUSING THEM TO LOSE THRUST. V1 IMMEDIATELY BEGAN TO TAKE ON WATER IN THE ENGINE COMPARTMENT.  A NEARBY BOATER WAS ABLE TO HEAR THEM AND COME TO THEIR AID AND TOWED V1 TO THE RED BANK ACCESS.