RedactedNarrative: The operator, Operator#1 and his father, Passenger#1 were fishing near the dam in Tailrace Canal.  Operator#1 was in the front of Unit 1 when he heard a noise behind him.  Operator#1 turned around and saw his father and the pedestal seat go overboard into the water.  Operator#1 jumped in and attempted to rescue his father but was unable to get him into the boat or to shore.  Operator#1 was recovered several hours later at the incident location.