# Establishment of Class E Airspace; Ennis, MT
> **Rule** · Final rule. · Published 2013-11-12 · Effective 2014-02-06 · 78 FR 67298
## Document
- **Document number:** 2013-26924
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 78 FR 67298
- **Publication date:** 2013-11-12
- **Effective date:** 2014-02-06
- **FAA docket:** Docket No. FAA-2013-0280
## Abstract

This action establishes Class E airspace at Ennis, MT, to accommodate new Area Navigation (RNAV) Global Positioning System (GPS) standard instrument approach procedures at Ennis-Big Sky Airport. This improves the safety and management of Instrument Flight Rules (IFR) operations at the airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/11/12/2013-26924/establishment-of-class-e-airspace-ennis-mt)
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