Amendment of Class E Airspace for the Following Iowa Towns; Algona, IA; Ankeny, IA; Atlantic, IA; Belle Plane, IA; Creston, IA; Estherville, IA; Grinnell, IA; Guthrie Center, IA; and Oelwein, IA

This action modifies Class E surface area at Ankeny Regional Airport, Ankeny, IA; and Class E airspace extending upward from 700 feet above the surface at Algona Municipal Airport, Algona, IA; Ankeny Regional Airport; Atlantic Municipal Airport, Atlantic, IA; Belle Plaine Municipal Airport, Belle Plaine, IA; Creston Municipal Airport, Creston, IA; Estherville Municipal Airport, Estherville, IA; Grinnell Regional Airport, Grinnell, IA; Guthrie County Regional Airport, Guthrie Center, IA; and Oelwein Municipal Airport, Oelwein, IA. Decommissioning of non-directional radio beacons (NDB), cancellation of NDB approaches, and implementation of area navigation (RNAV) procedures have made this action necessary for the safety and management of Instrument Flight Rules (IFR) operations at these airports. Additionally, the geographic coordinates for Algona Municipal Airport, Atlantic Municipal Airport, and Grinnell Regional Airport are being adjusted to coincide with the FAA's aeronautical database. The name of Belle Plaine, IA, is also being adjusted to correct a misspelling in the legal description.