RedactedNarrative: On 4-26-2014 at approx. 1:27 AM, Operatorwas operating vessel LA 8988 FM on Sibley Lake in Natchitoches Parish. This boat is a 2005 17 foot Triton boat with an aluminum hull. The vessel is remote steering with a wheel on starboard side and was powered by a 90 hp. Mercury outboard. There were three other passengers on board. Occupant1 was sitting on the aft deck in the rear seat without a post. Occupant2 was sitting in the passenger seat next to Operator. Occupant3 was sitting forward of the driver. It is unknown whether he was inside the vessel or on the front deck. 
  Operator was heading west towards the Highway 504 bridge. Operator is suspected of travelling on plane as he approached the bridge. The sky was clear with no moon and it was dark with light winds. Occupant3 stated that he was operating the spotlight. As Operator approached the bridge the port bow struck a concrete bridge pillion. It is suspected that when the collision happened, Operator tried to correct course to the starboard. The bow of the vessel rose up and the vessel listed starboard. Occupant2 was ejected from the vessel. Operator's chest struck the steering wheel and is unknown whether he remained in the vessel. Occupant1 and Occupant3 were ejected. 
  Three others were at the Sibley Lake boat launch and heard the collision happen. they stated when they arrived at the bridge, they heard calls for help and saw Occupant2 face down unconscious in the water stuck under the vessel. They called 911 and dove in the water to help. Operator was conscious but incoherent. When they pulled Occupant2 to the shore, she wasn't breathing and they performed CPR until EMS arrived. Natchitoches Regional Medical Center EMS arrived at 1:37 am. 
  Occupant2 was airlifted to Rapides General Hospital, and after she arrived they transferred her to LSU Medical Center by air. Occupant2's injuries are multiple lacerations to the left leg, subdural haematoma, traverse process fracture, and aspiration. Operator's injuries are lacerations above the nose and eyes on forehead. fractured ribs, abrasion on torso and swollen right ankle. Occupant3 complained of pain to his right hip and refused medical treatment. Occupant1 complained of a torn muscle in right leg and refused medical treatment. 
  The vessel after inspection was equipped with four type III pfds in front compartment. No one on board had on a PFD. The throttle was in neutral position when found. The kill switch use is unknown. Navigation lights were not used. Toxicology report showed that Operator had a BAC of 0.160 g%. Contributing factors for the collision as of the moment is alcohol use, excessive speed and restricted vision.