Amendment of Class E Airspace; Monee, IL

This action amends Class E airspace at Monee, IL. Additional controlled airspace is necessary to accommodate Area Navigation (RNAV) Standard Instrument Approach Procedures (SIAP) at Bult Field Airport, Monee, IL. This action also reflects the name change of the airport from Sanger Airport and updates the geographic coordinates to coincide with the FAA's National Aerospace Charting Office. The FAA is taking this action to enhance the safety and management of Instrument Flight Rule (IFR) operations at Bult Field Airport.