# Establishment of Class E Airspace; Crooked Creek, AK
> **Rule** · Final rule. · Published 2021-07-23 · Effective 2021-10-07 · 86 FR 38919
## Document
- **Document number:** 2021-15491
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 86 FR 38919
- **Publication date:** 2021-07-23
- **Effective date:** 2021-10-07
- **FAA docket:** Docket No. FAA-2021-0004
## Abstract

This action establishes Class E airspace extending upward from 700 feet above the surface of the earth at Crooked Creek Airport, Crooked Creek, AK. This action will accommodate new area navigation (RNAV) procedures and ensure the safety and management of instrument flight rule (IFR) operations within the National Airspace System.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/07/23/2021-15491/establishment-of-class-e-airspace-crooked-creek-ak)
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