RedactedNarrative: On May 16, 2020 at approximately 1325 hours EST operator, OPERATOR 1, of Ohio Vessel 1, (OH-6179-EP), launched her vessel at the Garland Bend boat ramp on Lake Cumberland in Pulaski County, KY. This was this first time the vessel had been launched this year following the winterization. Out of precaution OPERATOR 1 and witness, started the vessel and left it at idle in the water while still on the trailer. After approximately ten minutes at idle they launched. While passenger pulled the trailer up the ramp to park, OPERATOR 1 maneuvered the vessel back toward the ramp. During this time OPERATOR 1 stated that she heard a loud pop then observed the engine compartment explode. The force of the explosion blew out the front windshield and caused the stern of vessel to be engulfed in flames. OPERATOR 1 quickly jumped into the water and swam to the bank without injury. The vessel continued to burn to the waterline and was a complete loss.                                                                                                                                                                          
  *** Damage is estimated over $20,000.00 
  *** Alcohol is not suspected in this incident
  *** No one was injured as a result of this incident
  *** No recent engine work had be performed
  