RedactedNarrative: Operator was on Norris Lake in her 2012 Supra. She took off from the ramp at Anderson Co. Park and proceeded down river about a half mile. She turned around and headed back in front of the ramp where her husband was standing and watching. He noticed smoke coming from the back of the Supra and yelled and waved to get her attention. About this time the engine stopped, she noticed the smoke and pulled up the engine latch. The engine was fully engulfed. She grabbed a life preserver and jumped overboard. Her friend Deidre saw what was happening and came to pick her up. The Supra blew toward and eventually beached on a small island and burnt up.The above occurred in Anderson County. The cause of the fire has not been determined. The vessel was a total loss.