RedactedNarrative: Vessel 1 (LA 8028 EE) was heading southbound on Barnes Creek with two people on board.  The operator struck a submerged object within the waterway.  The force of the impact caused the tiller handle to be pulled from the operator's hand.  The vessel turned hard starboard, striking a downed tree ramping the vessel and striking a cypress tree with the bow of the vessel.  
  
  The force of the impact with the cypress tree caused Operator to fall forward pulling the kill switch lanyard stopping the engine.    The front passenger impacted the front deck of the vessel with his ribs and the port gunwale striking his head.  he was transported to Memorial Hospital in Lake Charles, where he received twelve stitches for his head wound.  he stayed two (2) nights in the hospital for observation of his head wound and blood pressure then released.  PFDs were on board but not used.  No alcohol or drugs were involved.