RedactedNarrative: The Operator of vessel 1 was operating his PWC in a circle when he was thrown from the vessel by the motion.  The victim was standing on the dock overlooking the private lake when the operator fell into the water.  The victim jumped into the water in order to board the Jet Ski and bring it back to the dock.  As the victim emerged from the water after jumping in he was struck by the vessel as it made a large loop left turn after the operator was thrown from it.  The victim was stuck in the front of the face by the vessel and was transported to the hospital for his injuries. no kill switch used.