RedactedNarrative: 6-9-17 Waiting on information from Officer to complete.
  
  Owner had been working on vessel during the afternoon and early evening hours, then departed Marina for home.  That evening the vessel was engulfed in flames.  Fire department used foam and water.  Vessel eventually sank.  No history of previous mechanical or electrical malfunctions that would indicated danger of fire occurring.  He was not working on anything flammable that could produce a flame.  No video on property to aid investigation.  Fire department inspected scene and could not determine cause of fire.