# Modification of Class E Airspace, Coppertown and Butte, MT
> **Rule** · Final rule. · Published 2002-09-13 · 67 FR 57941
## Document
- **Document number:** 02-21329
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 67 FR 57941
- **Publication date:** 2002-09-13
- **FAA docket:** Airspace Docket No. 01-ANM-08
## Abstract

This action makes several changes to the Class E airspace at Coppertown, MT. First the airspace designation is changed from Coppertown, MT, to Butte, MT. Second, the Class E airspace is now qualified to be active continuously because a new weather reporting system was installed. The changes made by this action are intended to provide positive control to aircraft executing instrument flight rule operations at Bert Mooney Airport, Butte, MT

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/09/13/02-21329/modification-of-class-e-airspace-coppertown-and-butte-mt)
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