RedactedNarrative: Based on the facts that were presented to me, Operator1 was coming back to the launch from a day of cruising on the river. He was traveling north on bayou sara returning to the launch. He and his occupants could not tell where the banks of the creek were due to it being so dark. The boat hit a log on the west bank of bayou sara. All of the occupants in the boat were thrown in the floor and the boat settled in the middle of the creek. Operator1 then drove the boat back to the launch were medical was waiting. Three people were transported to usa hospital.