RedactedNarrative: Boat, TN-4685-CG, was being operated about (1) mile south of I-40 bridge on Kentucky Lake.  Operator1 had Subject1 in the boat observing (3) three girls on a tube behind the boat at about 20 miles per hour. The tube hit some waves and (2) two of the girls were thrown off the tube.  Operator1 turned the boat around and pulled up close to the girls and put the motor in neutral. 
  Subject1 pulled the rope and tube closer to the boat to help the girls back onto the tube. The girls could not get on the tube from the water, so they swam around to the ladder to climb on the vessel to assist getting back onto the float.  
  Victim1 climbed up the ladder when she noticed her leg hurt, and found a large laceration on her left leg. Two subjects wrapped up the cut on her leg, while someone Called 911. Operator went immediately to Cuba landing marina and waited for the Ambulance to arrive, the Paramedic recommended that she be lifeflighted to Vanderbilt to be treated, and she was taken by LifeFlight to Vanderbilt Hospital in Nashville Tennessee.