RedactedNarrative: VESSEL 1 WAS TRAVELING EAST APPROX 1000 FEET NORTH OF THE CHEROKEE STATE PARK BOAT RAMP AND APPROX 1980 FEET NE OF THE FIRST DOCK NORTH OF THE WEST SPILLWAY AND APPROX 2180 FEET NE OF THE FIRST DOCK EAST OF THE CHEROKEE STATE PARK BOAT RAMP.  VESSEL 1 STRUCK A SUBMERGED OBJECT DISABLING VESSEL 1'S ENGINES. VESSEL 1 BEGAN TAKING ON WATER THROUGH A SMALL HOLE BELOW THE WATERLINE ON THE STARBOARD SIDE NEAR THE BOW AND SANK APPROX 1/4 OF THE WAY INTO THE WATER BEFORE IT COULD BE TOWED BACK TO ARROWHEAD MARINA.