# Amendment of Class E Airspace; Kwigillingok, AK
> **Rule** · Final rule. · Published 2012-01-03 · Effective 2012-04-05 · 77 FR 6
## Document
- **Document number:** 2011-33566
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 77 FR 6
- **Publication date:** 2012-01-03
- **Effective date:** 2012-04-05
- **FAA docket:** Docket No. FAA-2011-0881
## Abstract

This action modifies Class E airspace at Kwigillingok, AK. The revision of two standard instrument approach procedures at the Kwigillingok Airport has made this action necessary to enhance safety and management of Instrument Flight Rules (IFR) operations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/01/03/2011-33566/amendment-of-class-e-airspace-kwigillingok-ak)
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