Modification of Class D and E Airspace; Bozeman Yellowstone International Airport, Bozeman, MT

This action proposes to modify the Class D surface area airspace, Class E airspace area designated as surface area, Class E airspace areas designated as an extension to a Class D or Class E surface area, and the Class E airspace area extending upward from 700 feet above the surface of the earth at Bozeman Yellowstone International Airport, Bozeman, MT. These actions would support the safety and management of visual flight rules (VFR) and instrument flight rules (IFR) operations at the airport.