RedactedNarrative: The operator advised that he went to turn his boat with the bow into the current while checking a trotline, but the current swung the bow causing the vessel to turn sideways.  Operator had killed the motor while checking the trotline, which allowed the current to push the bow of the boat.  The current pushed the boat against a fallen tree that was partially submerged and held it in place with the starboard side against the tree.  Operator was unable to pull the boat off the submerged object.  The water began coming over the port side and within seconds the boat sank below the water.  The boat submerged below the water line and then swung the bow under the fallen tree, causing the motor to get hung up on the tree.  The two subjects on board managed to get onto the nearby bank and walk across a field.  We picked them up near Cazans Lake near the big pits.  No one was injured during the incident.  The boat, LA 1417 FW is a 16' Alweld commercial boat with a 35 horse power gator tail outboard motor.  The boat still remains submerged in the Bayou, they were unable to recover it.   After speaking with an Alweld Commercial boat dealer, they stated that the boat does have some floatation in the transom area, however, it is not going to be enough floatation to keep it above the water with the weight of the passengers and the motor.  While investigating the scene I observed that the speed and force of the current was substantial enough to have been a significant factor in causing the sinking of the vessel 
   (see photo log and photos for a visual aspect of the current speed and force.)
  
NameOfBodyOfWater: Cocodrie Bayou
NearestCityTown: St. Landry                    