RedactedNarrative: Driver of boat got into technical rapid during high water and was unable to make it. Boat was stuffed into a large rapid, overturned and sank within seconds. Driver went down with the boat but was able to make it out but was held under water for 10-15 seconds before re surfacing. NRS life jacket was the only thing he still had on when he was fished from the river.  The boat was traveling East bound up stream at the time of the accident