RedactedNarrative: On June 18, 2017 at approximately 18:31 hours a vessel was traveling down stream on Nickajack Lake in Marion County, TN.  At some point vesesl travelled outside the channel and ran onto a shallow hump of approximately 2 feet of water and also hit a log.  The outboard engine then broke off the transom and flipped up into the boat.  The engine hit victim in the back driving him into the operator console.  victim sustained a broken nose from the steering wheel as well as a large contusion on his back from the engine striking him.