RedactedNarrative: V1 WAS OPERATING EAST TOWARDS CANADA CROSSING OVER THE SEAWAY ISLAND ROCK WALL.  BOTTOM OF V1 STRUCK THE SUBMERGED ROCKS.  V1 STARTED TAKING ON WATER IN THE ENGINE COMPARTMENT AND ENGINE WOULD NOT RESTART. V1 BEGAN TO DRIFT. OPERATOR HAD BEEN DRINKING BEFORE STRIKING ROCK WALL.  OPERATOR WAS ARREST FOR OWI.  PFDS WERE ABOARD V1.