RedactedNarrative: At approximately 4:45 p.m.  V01 (11' Homemade Airboat) departed from Cypress Isle RV Park and Marina and headed northeast on Lake Istokpoga. The operator of the airboat observed a subject in a kayak out in open water and maneuvered around him. He continued on toward an area with tall grass where a second kayak or V02 (10' Sundolphin Kayak)  was located. The operator of the airboat suddenly noticed the second kayak and attempted to maneuver around it as well, but was unable to avoid collision. He struck the kayak and its operator with the starboard side of his boat. The operator of the kayak sustained injuries to his upper and lower back as a result of the collision. He was transported to Florida Hospital in Sebring where he was treated and released. His injuries were minor and not considered to be serious. There was no notable damage to either vessel. He sustained contusions to his upper and lower back, which were not considered to be serious in nature. He was released at approximately 10:30 p.m.