RedactedNarrative: According to the operator and passengers statements, they were traveling westbound in South Pass Manchac at cruising speed when suddenly without warning, the vessel listed to the port side. 
  
  The passenger was ejected out of the vessel over the port side. The operator slowed the vessel and turned around to retrieve her from the water.  As he approached he could see that her left arm was broken as it was stretched out behind her. He retrieved her from the water and they returned to the turtle cove boat shed where he brought her to North Oaks Hospital for medical treatment. He then later reported the accident to Wildlife and Fisheries. 
  
  Alcohol is not suspected. The vessel was equipped with the proper amount and type of PFD's but they were not used. The vessel is equipped with remote teleflex steering and is in good working condition. A possible hull defect is suspected to have caused the vessel to list.
  