# Amendment of Class D and Class E Airspace; Helena, MT
> **Rule** · Final rule. · Published 2020-12-07 · Effective 2021-02-25 · 85 FR 78705
## Document
- **Document number:** 2020-26816
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 85 FR 78705
- **Publication date:** 2020-12-07
- **Effective date:** 2021-02-25
- **FAA docket:** Docket No. FAA-2020-0810
## Abstract

This action modifies the Class D airspace at Helena Regional Airport. This action also modifies the Class E airspace, designated as a surface area. Additionally, this action establishes Class E airspace, designated as an extension to a Class D or Class E surface area. Further, this action modifies the Class E airspace, extending upward from 700 feet above the surface. Also, this action modifies the Class E airspace extending upward from 1,200 feet above the surface. This action removes the Helena VORTAC from the airspace legal descriptions. Lastly, this action implements administrative corrections to the airspaces' legal descriptions.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/12/07/2020-26816/amendment-of-class-d-and-class-e-airspace-helena-mt)
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