# Amendment of Class E Airspace; Livingston, MT, and Butte, MT, and Removal of Class E Airspace; Coppertown, MT
> **Rule** · Final rule. · Published 1998-05-28 · 63 FR 29103
## Document
- **Document number:** 98-14169
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 63 FR 29103
- **Publication date:** 1998-05-28
- **FAA docket:** Airspace Docket No. 97-ANM-20
## Abstract

This action combines the Coppertown, MT, Class E airspace area with the existing Butte, MT, Class E airspace area. This combined airspace is now designated the Butte, MT, Class E airspace area. This action also amends the adjacent Class E airspace at Livingston, MT, by providing additional controlled airspace to accommodate the development of new Standard Instrument Approach Procedures (SIAP) utilizing the Global Positioning System (GPS) at the Livingston Airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1998/05/28/98-14169/amendment-of-class-e-airspace-livingston-mt-and-butte-mt-and-removal-of-class-e-airspace-coppertown)
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