The McKinney National Airport, which is owned by the city of McKinney, is updating its master plan. An open house regarding the plan will be held Dec. 11 and 12 from 5:30-7:30 p.m. at the Roy and Helen Hall Memorial Library, 101 E. Hunt St. The updated plan includes a new terminal, which is expected to undergo construction over the next 12-18 months. McKinney National Airport by the numbers