RedactedNarrative: operator was operating a 2008 mastercraft vessel on falls lake at approximately 10 pm on july 4, 2019.  Operator1 stated he was trying to find his way back to the upper barton boat landing and access area  and that he was not very familiar with this portion of the lake.  Operator1 came under the hwy 50 bridge and was supposed to make a right turn to reach his destination.  Operator1 made a sweeping left hand turn and ran aground on the dam between beaver dam lake and falls lake.  Operator1 also stated his vision was restricted due to the lighting within his vessel.  The navigation lights were working but he was unable to see very far.  
  
  The vessel struck beaver dam and came to rest completely out of the water.  The stern of the vessel was 9 feet 7 inches from the point of impact at waterline.  The bow was 34 feet 3 inches from the same point at the waterline. 
  
  There were no injuries.  All occupants walked away from the scene and had other friends picked them up at the entrance to the state park. 
  
  The damage to the vessel  was confined to the hull, propeller and drive shaft.
  
  The factors which lead to this incident were as follows:  improper lookout, unfamiliar with area, restricted vision(night) and restricted vision due to lights within vessel.
  
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