RedactedNarrative: Operator 1 was operating vessel 1 while cruising on plane. Operator 1 was operating vessel 1 while being unfamiliar with the waterway and traveled through a riffle in the wrong area. This caused operator 1 to strike a fixed object (submerged rock) in water which caused passenger 2 and 3 to be ejected from vessel 1. There was no injuries to any of the passengers on vessel 1 or the operator. Vessel 1 sunk due to collision and was a total loss.