RedactedNarrative: On 07/05/2019 at approximately 2:35pm I CPO met with Operator at the Sullivan Campground where Operator reported the following;
  
  Operator stated on 07/05/2019 at approximately 1:45pm he was cruising east bound with his family on Lake Shelbyville west of the Bo Woods Island in his 15'', 1987 Grumman boat .  Operator reported an unidentified watercraft passed them from the behind on his starboard side and turned across his path and continued back to the west on his port side.  Operator reported the wake from the watercraft swamped his boat and caused it to sink.  Operator and the occupants were all wearing their personal flotation devices when they entered the water.  
  
  After unsuccessfully attempt to roll the boat for flotation, Operator said he signaled nearby watercraft with a whistle and were helped aboard and transported to the Sullivan Campground.  
  
  Exact location is unknown.  Operator returned with a friend and provided the following coordinates N3932900 W08838352.  Operator advised the coordinates were not exact.
  
  No injuries reported.  Operator''s watercraft is thought to be a total loss and has not been located at this time.  There were no indications the watercraft was overloaded.  
  
  Operator was advised to notifiy me when the watercraft was removed from Lake Shelbyville.
  
  Location on Page 1 is approximate
  