RedactedNarrative: Operator and his family were crabbing in Lake Pontchartrain near the mouth of Bayou Lacombe.  There was a fuel leak on the outboard engine. Operator turned on the ignition to restart the engine. The fuel then ignited, exploding and caused the cowling to fly into the water.  
  
  Four persons that were on board the vessel jumped overboard with PFD's. Operator stayed on board and was able to extinguish the fire. Agent was close by and responded to the area and rescued the four persons from the water towed the vessel to the owner's residence. All PFD requirements were met and alcohol/drugs are not suspected to be a factor in the incident. There were no injuries nor fatalities in the incident.
  