RedactedNarrative: V1 was anchored approx. 1/4 mile west of the Caddo Bend boat ramp on Lake DeGray. The owner/operator/victim and his dog were found by a friend in the aft sleeping berth of V1.  The aft sleeping berth shares a wall with the engine compartment and is on the same level. The dog was deceased and reportedly cold to the touch when rescuers found them. The victim was unconscious, lying on his back in the rear portion of the aft sleeping berth. When rolled onto his side to extricate him, the victim exhale vomited. Victim was transported by EMS to Baptist Medical Center in Arkadelphia and later transported to Baptist Medical Center Little Rock.
  
  There was a Honda EU2000i gasoline powered generator in V1's engine compartment what was switched on but was out of fuel. Metal flex tubing was used in an attempt to exhaust the generator's emissions to the exterior of V1.  Upon inspection of the connections of the flex tubing, it was found that neither end of the tubing was a proper fit nor were the ends fastened in such a way that would prevent the flow of exhaust into the engine compartment. 
  
  During post incident interviews with the victim he stated he arrived at the lake between 1730 and 1800 and made some repairs to V1's air conditioning system.  He stated he started the generator, closed the cabin of V1 and went to bed at approx. 2330.  Victim does not have any idea how long the generator ran before running out of fuel.  When rescuers boarded V1 the generator was not running.
  
  Interviews with the victim's friend who located him revealed that the friend had attempted to raise the victim by shouting and honking his boat's horn. When the victim did not respond the friend swam to V1 and boarded it. He found the cabin area completely closed including all doors, windows and vents. He opened the door to the cabin and entered and said it was so hot he could barely stay below. It was at this point he noticed the victim's deceased dog and thereafter the victim and began rescue attempts.
  
  BMC Emergency personnel indicated the victim's blood chemistry was consistent with that of someone who experienced acute exposure to a high level of carbon monoxide.
  