Action
Final rule.
Summary
This action modifies the Class D surface area, and establishes Class E airspace extending upward from 700 feet above the surface at Butts AAF (Fort Carson) Airport, CO. Additionally, this action makes administrative changes to update the airport's existing Class D legal description. These actions will support the safety and management of instrument flight rules (IFR) and visual flight rules (VFR) operations at the airport.