RedactedNarrative: OPERATOR 1 WAS OPERATING VESSEL 1 WHEN THE OPERATOR SEEN SMOKE WHILE UNDERWAY. THE OPERATOR STOPPED VESSEL 1 AND RETRIEVED THE FIRE EXTINGUISHERS AND PUT OF FIRE THAT HAD STARTED IN THE ENGINE DUE TO A MECHANICAL FAILURE OF ELECTRICAL COMPONENTS. THERE WAS NO INJURIES TO THE OPERATOR OR ANY OF THE PASSENGERS. VESSEL SUSTAINED FIRE DAMAGE TO THE ENGINE COMPARTMENT DUE TO THE MECHANICAL FAILURE.