RedactedNarrative: On September 29, 2018 at approximately 1800hrs Vessel 1 was in the vicinity of the dropped pin and was heading West (downstream) hitting a fixed object (log) ejecting the passenger and throwing the driver into the floor of the vessel.  Based on our invstigation we believe the driver of the vessel injuries were caused by the impact of the next seat row.  I, officer, was contacted by the Tipton County Sherrifs Office at approximately 2200hrs.  I then made contact operator on Septemeber 30 at 1600 as well as the occupant.