RedactedNarrative: VESSEL WAS FOUND UNOCCUPIED AND UNDAMAGED, ADRIFT IN THE LAKE BY A PASSING BOAT.  BODY OF THE VESSEL'S OPERATOR WAS LOCATED ON THE LAKE BED DURING A SEARCH AND RECOVERY OPERATION.  THE WATER CONDITIONS WERE VERY CHOPPY FOR A VESSEL OF THIS SIZE.  THE ACTUAL EVENTS LEADING UP TO THE OVERBOARD ARE UNKNOWN AT THIS TIME.