Modification of Class E Airspace; Alamosa, CO
This action will amend Class E airspace at Alamosa, CO. Additional controlled airspace is necessary to accommodate aircraft using a new Area Navigation (RNAV) Global Positioning System (GPS) Standard Instrument Approach Procedure (SIAP) at San Luis Valley Regional Airport/Bergman Field. This will improve the safety of Instrument Flight Rules (IFR) aircraft executing the new RNAV GPS SIAP at San Luis Valley Regional Airport/Bergman Field, CO.