RedactedNarrative: Operator and passenger #1 related vessel #1 was underway southwest bound across Fox Lake when passenger #8 stood up on the seat and immediately fell over the bow.  Passenger #8 collided with the underside of the boat and likely the propeller which operator shut off when passenger #8 went overboard.  Passenger #8 related that while vessel #1 was underway he stood up on the seat and fell over the bow when the vessel rolled from a wave.