Modification of Class D Airspace; Rapid City, SD; Modification of Class D Airspace; Rapid City Ellsworth AFB, SD; and Modification of Class E Airspace; Rapid City, SD

This action modifies Class D airspace at Rapid City, SD, modifies Class D airspace at Ellsworth AFB, SD, and modifies Class E airspace at Rapid City, SD. An Area Navigation (RNAV) Standard Instrument Approach Procedure (SIAP) to Runway (Rwy) 32 has been developed for Rapid City Regional Airport. Controlled airspace extending upward from the surface of the earth is needed to contain aircraft executing this approach. This action increases the radius of the existing Class D and Class E airspace for Rapid City Regional Airport, and modifies the legal description of the Class D airspace for Ellsworth AFB to include the formentioned modification.