# Amendment of Class D and Class E Airspace; Altus AFB, OK
> **Rule** · Direct final rule; request for comments. · Published 2008-08-06 · Effective 2008-09-25 · 73 FR 45605
## Document
- **Document number:** E8-17558
- **Category:** airspace
- **Type:** Rule
- **Action:** Direct final rule; request for comments.
- **Citation:** 73 FR 45605
- **Publication date:** 2008-08-06
- **Effective date:** 2008-09-25
- **FAA docket:** Docket No. FAA-2008-0339
## Abstract

This action amends Class D and Class E airspace at Altus Air Force Base (AFB), Altus OK. Additional controlled airspace is necessary to accommodate aircraft using Standard Instrument Approach Procedures (SIAPs). This action is necessary for the safety and management of Instrument Flight Rules (IFR) operations at Altus AFB, OK.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/08/06/E8-17558/amendment-of-class-d-and-class-e-airspace-altus-afb-ok)
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