RedactedNarrative: Two vessels were operating on a private pond in Knox County.  Vessel 1 was travelling with just the Operator on board headed north about 50 yards off the east shoreline.  Vessel 2 with 2 Occupants on board was travelling in the same direction as Vessel 1, ahead of Vessel 1 on the port side.  Vessel 2 failed to look before turning to starboard, directly into the path of Vessel 1.  The vessels collided and all Occupants on both vessels were ejected at the time of collision.  The Operator of Vessel 1 claimed no injuries; both Occupants on Vessel 2 were flown to separate hospitals.
  
  One of the Occupants of Vessel 2 had her right leg amputated as a result of the accident per a report from the hospital.