RedactedNarrative: AFTER FUELING, THE BLOWER WAS TURNED ON FOR ABOUT FOUR MINUTES. THE FIRST ENGINE WAS STARTED OK BUT THE WHEN THE SECOND ENGINE WAS STARTED IT CAUSED AN EXPLOSION.  THE TWO VICTIMS WHERE STANDING ON THE DOCK, THE OPERATOR WAS IN THE VESSEL WHEN THE EXPLOSION OCCURRED. THIS CAUSED THE INJURIES TO ALL THREE PEOPLE.