RedactedNarrative: Airboat propeller shattered, causing vessel to come to abrupt stop and ejected operator. 
  
  The operator had a laceration to his left elbow area and an additional laceration to his left kneecap.  
  
  He was travelling north from the area of Signal Cove at approximately thirty-five to forty miles per hour.
  The propeller to his airboat had come off of his motor and shattered into pieces.
  A piece of the propeller had struck him in the arm, causing the laceration.
  One of the blades went through the hull of the vessel, which caused him to be ejected from the vessel.   
  He thinks he cut his knee on the airboat when he was ejected.   
  The vessel ran over-top of him with no further injury.    
  The vessel sank.
  He was seated in the front seat of the vessel, while occupant1 was seated in the left rear and occupant2 was seated beside occupant1 on the right.  
  Two people fell to the deck of the vessel from their seats when the vessel stopped abruptly.
  
  Operator received eight stitches to the inside of his left elbow and seven stitches to his left kneecap.
  