# Amendment of Class D and Class E Airspace; Bozeman, MT
> **Rule** · Final rule. · Published 2012-08-29 · Effective 2012-11-15 · 77 FR 52217
## Document
- **Document number:** 2012-21161
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 77 FR 52217
- **Publication date:** 2012-08-29
- **Effective date:** 2012-11-15
- **FAA docket:** Docket No. FAA-2012-0519
## Abstract

This action modifies Class D and Class E airspace at Bozeman Yellowstone International Airport, Bozeman, MT. This action aligns two Class E airspace areas with the Class D airspace area. This action also updates the airport name to Bozeman Yellowstone International 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/2012/08/29/2012-21161/amendment-of-class-d-and-class-e-airspace-bozeman-mt)
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