# Revision of Class E Airspace; Koliganek, AK
> **Rule** · Final rule. · Published 2005-12-20 · Effective 2006-02-16 · 70 FR 75392
## Document
- **Document number:** 05-24230
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 70 FR 75392
- **Publication date:** 2005-12-20
- **Effective date:** 2006-02-16
- **FAA docket:** Docket No. FAA-2005-22538
## Abstract

This action revises Class E airspace at Koliganek, AK to provide adequate controlled airspace to contain aircraft executing two new Standard Instrument Approach Procedures (SIAPs). This rule results in revised Class E airspace upward from 700 feet (ft.) and 1,200 ft. above the surface at Koliganek Airport, AK.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/12/20/05-24230/revision-of-class-e-airspace-koliganek-ak)
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