RedactedNarrative: VESSEL 1 WAS TRAVELING DOWNSTREAM TOWARDS THE ROLLINS FERRY RAMP ON THE GASCONADE RIVER.  THERE WAS A LARGE TREE STICKING OUT OF THE WATER.  OPERATOR 1 TURNED TO AVOID THE TREE BUT WAS UNABLE TO.  VESSEL 1 STRUCK THE STANDING TREE AS IT TRAVELED TOWARD IT.  AFTER IMPACT WITH THE TREE, VESSEL 1 STARTED TAKING ON WATER.  OPERATOR 1 AND PASSENGER 1 BOTH JUMPED OUT OF THE VESSEL AND SWAM TO SHORE.  VESSEL 1 SANK IN THE GASCONADE RIVER.  NO INJURIES WERE REPORTED.  THE DAMAGE TO VESSEL 1 IS UNKNOWN.