RedactedNarrative: OPERATOR REPORTS GOING WITH BOAT TRAFFIC, EAST BOUND AND SUDDENLY STRUCK AN UNKNOWN OBJECT. VESSEL 1 STARTED SINKING AFTER A WHILE AND PASSENGERS JUMPED INTO RIVER WITH LIFE JACKETS TO BE ASSISTED BY PASSING BOATERS. THE VESSEL WAS NOT TROLLING SPEED BUT NOT ON A PLANE. DAMAGE APPEARS CAUSED BY HARD EDGED OBJECT. OBJECT NOT LOCATED. NO INJURIES.