Federal Aviation Administration March 3, 2020 – Federal Register Recent Federal Regulation Documents

This action amends Class E airspace at Rifle Garfield County Airport, Rifle, CO. The action increases the circular radius of the Class E airspace, designated as a surface area, to the west and northwest of the airport. Also, this action amends the Class E airspace by adding an airspace area, designated as an extension to a Class D or Class E surface area, to the east of the airport. Additionally, this action amends the Class E airspace extending upward from 700 feet above the surface by increasing the radius of the airspace around most of the airport and reducing the radius to the north and northeast of the airport. This action also removes the extensions from this airspace area. Lastly, this action makes several administrative corrections to the airspace legal descriptions for the airport.

This action amends Class E airspace at Gunnison-Crested Butte Regional Airport, Gunnison, CO. The action increases the circular radius of the Class E airspace designated as a surface area and adds an extension to the west of the airport. Also, this action amends the Class E airspace by adding an airspace area, designated as an extension to a Class D or Class E surface area, to the southwest of the airport. Additionally, this action amends the Class E airspace extending upward from 700 feet above the surface by significantly reducing the area around the airport, except to the west and southwest of the airport. Furthermore, this action amends the Class E airspace extending upward from 1,200 feet above the surface by removing this area. This area is wholly contained within the Denver Class E6 en route airspace area and duplication is not necessary. Lastly, this action makes several administrative corrections to the airspace legal descriptions for the airport.

This action proposes to revoke the Class E airspace at Sloulin Field International Airport, Williston, ND, due to the airport's closure. This action also proposes to amend Class E airspace at Williston Basin International Airport, Williston, ND. The action proposes to add an area designated as a surface area. This action also proposes to amend the Class E airspace extending upward from 700 feet above the surface by adding two extensions, one to the southeast and one to the north of the airport. Additionally, this action proposes to add a Class E airspace area extending upward from 1,200 feet above the surface. Lastly, this action proposes an administrative correction to the airspace legal description's text header by updating the airport's geographic coordinate to match the FAA's aeronautical database. These changes are necessary to accommodate airspace redesign for the safety and management of Instrument Flight Rules (IFR) operations at the airport.