RedactedNarrative: The Operator of Vessel 1 was paddling downstream when Vessel 1 struck a downed tree, capsizing Vessel 1 and putting the Operator into the river.  The Operator of Vessel 1 was wearing a PFD at the time of the incident and suffered no injuries.  The Operator was unable to free Vessel 1 from under the downed tree where it came to rest, and upon later returning to the scene was unable to locate Vessel 1.