RedactedNarrative: According to the report, vessel 1 was travelling on the Arkansas River when it encountered a rapid and hazardous waters. The vessel (raft) flipped in the current, ejecting the injured party. During the incident, the injured party dislocated a shoulder. The injured party was retrieved by a second vessel and transported to safe location further down river. The injured party was transported to the hospital where treatment for the injury was received. The injured party was wearing an approved PFD at the time of the incident.