# Amendment of Class E Airspace; Altus, OK
> **Rule** · Final rule. · Published 2009-12-29 · Effective 2010-04-08 · 74 FR 68666
## Document
- **Document number:** E9-30283
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 74 FR 68666
- **Publication date:** 2009-12-29
- **Effective date:** 2010-04-08
- **FAA docket:** Docket No. FAA-2009-0540
## Abstract

This action amends Class E airspace for the Altus, OK area. Additional controlled airspace is necessary to accommodate Area Navigation (RNAV) Standard Instrument Approach Procedures (SIAPs) at Altus/Quartz Mountain Regional Airport, Altus, OK. This action also updates the geographic coordinates of the Altus AFB Rwy 17 ILS Localizer. The FAA is taking this action to enhance the safety and management of Instrument Flight Rule (IFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/12/29/E9-30283/amendment-of-class-e-airspace-altus-ok)
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