RedactedNarrative: On October, 14, 2017 at approximately 3:46 PM, Vessel 1 took a wave over the bow.  Vessel 1 filled with water as a result.  The 2 forward most occupants came aft to the operator location to attempt to raise the bow up out of the water.  This was futile and Vessel 1 continued to take on water to the point of capsizing.  Once water had flooded up to the top of the gunwales, all 3 parties departed Vessel 1 to get to shore.  The 2 passengers were wearing PFDs, the operator was not.  
  
  The 2 occupants in PFDs were picked up by a tug boat in the area, the operator was last seen down river of the tug boat.  The operator disappeared behind a wave near some tied up barges and was not seen afterward.
  
  Vessel 1 was found caught in Gate 1 of dam 21.  Dam personnel report Vessel 1 is rolling in the gate due to current force and the motor has come detached from the transom.
  
  Personnel searched for the operator with negative results.  Search parties will resume the morning of October 15th.
  
  See report 2017-4-468-025B for further information.
  