Action
Final rule.
Summary
This action establishes a Class E airspace area, designated as an extension to a Class D or Class E surface area, at Williston Basin International Airport, Williston, ND. This action also modifies the Class E airspace extending upward from 700 feet above the surface. The airspace modifications support the establishment of new instrument procedures for runways 04 and 22. This action also updates the geographic coordinates in the Class E2 and Class E5 text headers. The airspace supports instrument flight rules (IFR) operations at the airport.