# Amendment of Class E Airspace; Ardmore, OK
> **Rule** · Final rule. · Published 2011-11-29 · Effective 2012-02-09 · 76 FR 73502
## Document
- **Document number:** 2011-30531
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 76 FR 73502
- **Publication date:** 2011-11-29
- **Effective date:** 2012-02-09
- **FAA docket:** Docket No. FAA-2011-0851
## Abstract

This action amends Class E airspace for Ardmore, OK. Decommissioning of the Arbuckle non-directional beacon (NDB) and cancellation of the NDB Standard Instrument Approach Procedure (SIAP) at Ardmore Municipal Airport, Ardmore, OK, as well as the addition of new area navigation (RNAV) SIAPs, has made this action necessary to enhance the safety and management of Instrument Flight Rule (IFR) operations at the airport. This action also updates the geographic coordinates of the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/11/29/2011-30531/amendment-of-class-e-airspace-ardmore-ok)
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