RedactedNarrative: Owner of vessel put 5 gallons of fuel in his 32' Trojan Yacht. He turned on both blowers while fueling. After fueling the vessel he attempted to start the engines. As he turned the key an explosion occurred in the living space of the boat where his wife was sitting. As a result of the explosion his wife suffered severe burns and smoke inhalation. He immediately got her off the vessel and received minor burns to both of his hands. He then untied it from the dock to keep from causing major damage to the boatyard's property. Subject and his wife were taken to Rappahannock General Hospital in Kilmarnock, VA, where they were treated for their injuries.