# Amendment to Class E Airspace; Helena, MT
> **Rule** · Final rule. · Published 2007-11-15 · Effective 2008-02-14 · 72 FR 64146
## Document
- **Document number:** E7-22205
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 72 FR 64146
- **Publication date:** 2007-11-15
- **Effective date:** 2008-02-14
- **FAA docket:** Docket No. FAA-2007-28400
## Abstract

This action will modify Class E airspace at Helena, MT. Additional controlled airspace is necessary to accommodate aircraft using a new Localizer (LOC) Back Course (BC)-C Standard Instrument Approach Procedures (SIAP) at Helena Regional Airport. The FAA is taking this action to enhance the safety and management of aircraft operations at Helena Regional Airport, Helena, MT. Also, this action makes a minor correction to the airspace description.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/11/15/E7-22205/amendment-to-class-e-airspace-helena-mt)
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