RedactedNarrative: THE FIRE WAS DUE TO GAS VAPORS IN THE BOAT AFTER FUELING. THE ORIGIN OF THIS FIRE WAS NOT DETERMINED DUE TO THE EXTENSIVE DAMAGE TO THE VESSEL.
  OPERATOR 1 FUELED HIS VESSEL, ATTEMPTED TO START THE VESSEL AND AN EXPLOSION OCCURRED AND SUBSEQUENT FIRE.  OPERATOR 1 SAID HE HAD THE BLOWER OPERATING ON HIS VESSEL, PRIOR TO THE EXPLOSION/FIRE.