RedactedNarrative: VESSEL 1 WENT OUT TO FISH.   BOAT DEVELOPED ENGINE PROBLEMS.   OWNER WENT TO SLEEP BECAUSE OF FUMES FROM ADDITIVES PUT IN THE FUEL, WHEN HE AWOKE, HE FOUND HIS PASSENGER DECEASED FACE DOWN IN OPEN ENGINE COMPARTMENT. 
  
  
    MEDICAL EXAMINERS CAUSE OF DEATH IS CARBON MONOXIDE POISONING WITH A BLOOD SATURATION OF 70%.