RedactedNarrative: Subject was pulling a tube in the area at the Cedar Creek Lake Dam for about 1 hour. There was a loud bang and the vessel shook and he checked under the Engine cover and observed water coming into the vessel. The vessel took on water very fast and sunk. The occupants floated/swam to the shore on the south side of the lake near the boat ramp on Franklin County Highway 90. He notified TVA and when TVA called him back and informed him to call the Franklin County Sheriff's Department. The Franklin County Sheriff's Department notified me.
  
  Spoke with reporting officer - vessel was operating in a shallow ridge area, striking the ridge caused his propeller to be ripped out causing the water to enter a vessel. The operator inexperience was based on the operator boating in a known local shallow ridge pulling a tube. The operator admitted to the officer that he was inexperienced.