RedactedNarrative: On October 9, 2016 at approximately 0730 Operator1 (operator) and Passenger1 (passenger) were in LA xxxx xx (vessel 1) in West Pass, Cameron Parish.  Vessel 1 approached some pilings where subjects planned to moor and fish.  As Operator1 was manuvering vessel 1 near piling, Passenger1 was kneeling on the bow of the vessel with a line to moor the vessel.  While Passenger1 attempted to moor the vessel to the piling the wind and tide was going in the opposite direction causing a greater distance between vessel 1 and the piling.  As Passenger1 extended his body to moor the vessel he lost his balance and fell overboard.  Operator1 called out and reached out for Passenger1 while he was in the water.  Passenger1 was submerged for a few seconds and then resurfaced.  Operator1 lifted him out of the water onto the deck of Vessel 1.  Passenger1 was unresponsive so Operator1 Conducted CPR several times but was unsuccessful at resuscitation.  No alcohol or drugs were cause in incident.  PFD's were present but were not worn.    Vessel 1 is equip with remote steering.  Contributing factor is sitting on bow.  The type of incident is fall overboard.