# Revision of Class E Airspace; Koyuk Alfred Adams, AK
> **Rule** · Final rule. · Published 2006-01-24 · 71 FR 3760
## Document
- **Document number:** 06-600
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 71 FR 3760
- **Publication date:** 2006-01-24
- **FAA docket:** Docket No. FAA-2005-22111
## Abstract

This action modifies Class E airspace at Koyuk, AK to provide adequate controlled airspace to contain aircraft executing one new Standard Instrument Approach Procedure (SIAP) and two new SIAPs. This rule results in revised Class E airspace upward from 1,200 ft. above the surface at the Koyuk Alfred Adams Airport, Koyuk, AK.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/01/24/06-600/revision-of-class-e-airspace-koyuk-alfred-adams-ak)
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