# Modification of Class D and Class E Airspace; Cheyenne Regional/Jerry Olson Field, Cheyenne, WY
> **Rule** · Final rule. · Published 2025-04-10 · Effective 2025-08-07 · 90 FR 15314
## Document
- **Document number:** 2025-06055
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 90 FR 15314
- **Publication date:** 2025-04-10
- **Effective date:** 2025-08-07
- **FAA docket:** Docket No. FAA-2024-2456
## Abstract

This action modifies the Class E airspace extending upward from 700 feet above the surface and removes the Class E airspace extending upward from 1,200 feet above the surface at Cheyenne Regional/Jerry Olson Field, Cheyenne, WY. 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/2025/04/10/2025-06055/modification-of-class-d-and-class-e-airspace-cheyenne-regionaljerry-olson-field-cheyenne-wy)
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