RedactedNarrative: Unit 2 was traveling north towards Suzie Ebert Island in a kayak at night without navigational lights on. Unit 1 was also traveling north towards Suzie Ebert Island and due to the Unit 2 not having navigational lights, Unit 1 ran over Unit 2. The kayak was totaled. No damage was done to Unit 1. Unit 2 driver was taken to Palmetto Richland Memorial Hospital ER where he was treated for a fractured left arm and lacerations and severe lacerations to both arms and one over the right eye due to prop strike.