RedactedNarrative: SUBJECTS WERE FISHING FROM A 1990 BASSTRACKER BOAT BELOW THE DAM IN POOL 16 ON THE MISSISSIPPI RIVER. subject WHO WAS SITTING ON THE REAR PEDISTAL SEAT TURNED TO FACE THE STERN & NOTICED WATER ON THE DECK, SIMULTANEOUSLY WATER CAME OVER THE STERN OF THE BOAT CAUSING IT TO CAPSIZE, EJECTING BOTH people FROM THE BOAT. INVESTIGATIN REVEALED THAT THE FILL TUBE LEADING TO THE LIVE WELL CRACKED CAUSING WATER TO FILL GAS TANK STORAGE COMPARTMENT WIHT WATER, THE WEIGHT OF THE WATER IN THE REAR COMPARTMENT LOWERED THE TRANSOM AND WNEN subject TURNED TO FACE THE STERN THE WATER CAME OVER THE TRANSOM.