# Amendment of Class E Airspace; Dillon, MT
> **Rule** · Final rule. · Published 2021-06-30 · Effective 2021-10-07 · 86 FR 34626
## Document
- **Document number:** 2021-13895
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 86 FR 34626
- **Publication date:** 2021-06-30
- **Effective date:** 2021-10-07
- **FAA docket:** Docket No. FAA-2021-0210
## Abstract

This action modifies the Class E airspace extending upward from 1,200 feet above the surface at Dillon Airport, Dillon, MT. The airspace is designed to support instrument flight rules (IFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/06/30/2021-13895/amendment-of-class-e-airspace-dillon-mt)
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