Amendment of Class E Airspace; Mount Sterling and Pittsfield, IL

This action amends the Class E airspace at Mount Sterling and Pittsfield, IL. This action is due to airspace reviews conducted as part of the decommissioning of the Quincy very high frequency (VHF) omnidirectional range (VOR) as part of the VOR Minimal Operational Network (MON) Program. The geographic coordinates of Pittsfield Penstone Municipal Airport, Pittsfield, IL, are also being updated to coincide with the FAA's aeronautical database.