RedactedNarrative: Operator was driving the boat pulling Subject on a tube.  Subject fell off the tube and Operator jumped in the water to retrieve the child.  While doing so, the waves pushed the boat back on top to Operator and Subject.  The boat was still running when Operator exited the boat.  Operator was struck by the blades on the propeller.  Subject2 got the engine turned off.  Subject3 helped get Operator out of the propeller and he was taking to the hospital.