RedactedNarrative: V1 was pulling a skier that was trying to stand up on the skies.  The victim lost the right ski & was being pulled along in the water before she let go of the rope.  V1 turned around as soon as they saw the victim let go of the rope.  When arriving to the skier, she was in shock & having trouble swimming.  The operator got her back into the boat & transported her to the dock.  The victim was unable to move her left leg thus the reason for the difficulty in swimming.  Victim was transported to the hospital.  Victim was wearing a life jacket