An 11 year old boy was flown by helicopter to the hospital with serious injuries after being struck with a boat propeller on Lake Winnebago. The incident happened Sunday afternoon at the Columbia Park boat landing when the child was attempting to climb into the boat after tubing. According to the Fond du Lac County Sheriff’s Office the child fell off the ladder and onto the boat propeller causing serious injuries to his legs. A girl in the boat along with another individual from a nearby vessel, jumped into the water to help the 11 year old. They were able to get him into the boat, called for medical help, and drove him to the Columbia Park boat landing. The child was flown to Children’s Hospital in Milwaukee by Theda-Star medical helicopter with serious injuries.