# Amendment of Class E Airspace; Butte, MT
> **Rule** · Final rule. · Published 2016-03-29 · Effective 2016-05-26 · 81 FR 17374
## Document
- **Document number:** 2016-06935
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 81 FR 17374
- **Publication date:** 2016-03-29
- **Effective date:** 2016-05-26
- **FAA docket:** Docket No. FAA-2015-3772
## Abstract

This action modifies Class E surface area airspace and Class E airspace extending upward from 700 feet above the surface at Bert Mooney Airport, Butte, MT. After a review, the FAA found it necessary to amend the standard instrument approach procedures for the safety and management of Instrument Flight Rules (IFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/03/29/2016-06935/amendment-of-class-e-airspace-butte-mt)
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