RedactedNarrative: On october 20, 2019 at approximately 1040 hours, there was a boat collision on prairie creek reservoir in delaware county that resulted in a death. 
  
  Operator2 was operating a 2002 ranger 620vs north from the south end of the lake.  Operator2 was struck on the port side of his vessel by a 1983 duracraft which was operating towards the east.  (passenger) advised he reached down to get a cup of coffee and saw the operator of the duracraft (operator2) slumped over.  The impact of the collision caused operator2 to be ejected from the watercraft.  Operator2 and v1 occupant observed operator2 in the water lying face up.  They immediately rendered aid to operator2.  V1 occupant advised a bystander helped them get operator2 out of the water and into operator2's watercraft.  The bystander then began cpr while they transported him to the ramp where they were met by emergency personal.  Operator2 was pronounced deceased on scene.  
  
  The preliminary autopsy report advises the cause of death to be blunt force trauma to the head.  The primary cause of the accident is unknown.  Witnesses advised operator2 was in a slump over position prior to the collision.  A medical condition, or operator2 shielding himself from the sun, or operator2 possible reaching for something at the bottom of the watercraft are possible contributing factors resulting in the collision.  Operator2 failed to yield to the right away to the stand on boat and failed to have a proper lookout. Throughout officer's contact with operator2, there was no signs of alcohol or drug abuse.   Proper p.f.d s. Were on both vessels but no used.  There was also no safety lanyards used on either vessel.