RedactedNarrative: On approximately 13:30 eastern time, passenger and operator were traveling south east on Norris Lake.  Just prior to reaching point 8, the vessel (2015 Nitro Z9) struck a dock.  Operator stated he trimmed down to get out of the wake of another vessel and when he was getting out of the wake, it shot his boat into the air and onto the dock at the residence.  The operator was knocked unconscious from the impact.  The dock also sustained damage from the vessel.  Both witnesses, stated the vessel looked like the driver lost control after crossing the wake of the other boat, making the vessel turn hard left into the dock.