RedactedNarrative: The boat was pulling a tuber near the West End of Island Park Reservoir and the tuber fell off. The boat made a turn to pick up the person in the water and there was a problem with the fuel line. A fire started in the engine compartment. Attempts were made to put out the fire with the on-board fire extinuisher, but they were unable to do so.The boat burned, and then sank. There were no injuries involved. Numerous attempt to follow up and obtain the passengers information were made by the investigating Sheriff's Office but they were unable to obtain any contact information, or locate other information for them, and there are no other options for them to obtain the needed information.