# Modification of Class E Airspace; Yellowstone Regional Airport, Cody, WY
> **Rule** · Final rule. · Published 2025-06-20 · Effective 2025-10-02 · 90 FR 26202
## Document
- **Document number:** 2025-11391
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 90 FR 26202
- **Publication date:** 2025-06-20
- **Effective date:** 2025-10-02
- **FAA docket:** Docket No. FAA-2025-0405
## Abstract

This action modifies the Class E airspace extending upward from 700 feet above the surface of the earth to provide additional instrument flight procedure containment at Yellowstone Regional Airport, Cody, WY. Additionally, this action updates the administrative portion of the airport's Class E airspace legal description. These actions support the safety and management of instrument flight rules (IFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/06/20/2025-11391/modification-of-class-e-airspace-yellowstone-regional-airport-cody-wy)
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