Horry County's airport advisory committee will select a new chairman and vice chairman at a special meeting Thursday at 10 a.m. at Myrtle Beach International Airport. Bill McKown is the committee's current chairman. The committee will also hear a presentation from M.B. Kahn Construction Co. on the expansion of the passenger terminal at the Myrtle Beach airport. The company is serving as the county's construction manager. Rick Ott, a senior executive vice president with the company, said the presentation will be a summary of the last three monthly progress meetings and little new information will be presented. ...