# Establishment of Class E Airspace; Hardin, MT
> **Rule** · Final rule. · Published 2020-04-16 · Effective 2020-07-16 · 85 FR 21075
## Document
- **Document number:** 2020-08028
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 85 FR 21075
- **Publication date:** 2020-04-16
- **Effective date:** 2020-07-16
- **FAA docket:** Docket No. FAA-2019-0954
## Abstract

This action establishes Class E airspace at Big Horn County Airport, Hardin, MT. The airspace extends upward from 700 feet above the surface and contains arriving and departing IFR aircraft operating to/from the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/04/16/2020-08028/establishment-of-class-e-airspace-hardin-mt)
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