# Amendment of Class D Airspace; Altus AFB, OK
> **Rule** · Final rule. · Published 2012-01-30 · Effective 2012-04-05 · 77 FR 4457
## Document
- **Document number:** 2012-1800
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 77 FR 4457
- **Publication date:** 2012-01-30
- **Effective date:** 2012-04-05
- **FAA docket:** Docket No. FAA-2011-0630
## Abstract

This action amends Class D airspace for Altus AFB, OK. Procedural changes implemented to enhance safety for aircraft operating in the vicinity of Altus/Quartz Mountain Regional Airport, Altus, OK, has made this action necessary for the safety and management of Instrument Flight Rules (IFR) operations at Altus AFB.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/01/30/2012-1800/amendment-of-class-d-airspace-altus-afb-ok)
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