RedactedNarrative: On 09/01/2018 approximately 21:30 hrs vessel (v1) left twin creeks marina  after having dinner with friends. V1 was heading down river towards devil step around 21:42 hrs when the operator of v1 ran aground at grovers point ejecting two occupants from v1. The operator and one of the ejected victims had sustained injuries. The operator was transported to the hospital and the ejected victim was air-evac to vanderbilt hospital in nashville. The operator stated that he has been boating on tims ford for years and that he knows the lake well :however; he believed the reason why he ran aground was due to the interior led lighting being very bright which hindered his night vision and that one of the occupants was standing up toward the bow at the time of the accident.