# Modification and Establishment of Class E Airspace; Frank Wiley Field Airport, MT
> **Rule** · Final rule. · Published 2021-11-04 · Effective 2022-01-27 · 86 FR 60756
## Document
- **Document number:** 2021-23969
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 86 FR 60756
- **Publication date:** 2021-11-04
- **Effective date:** 2022-01-27
- **FAA docket:** Docket No. FAA-2021-0633
## Abstract

This action establishes Class E airspace, designated as an extension to a Class D or Class E surface area, at Frank Wiley Field Airport, Miles City, MT. This action also removes the Class E airspace extending upward from 1,200 feet above the surface. Additionally, the action implements an administrative update to the Class E2 and E5 text headers. This action ensures the safety and management of instrument flight rule (IFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/11/04/2021-23969/modification-and-establishment-of-class-e-airspace-frank-wiley-field-airport-mt)
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