# Amendment of Class E Airspace for the Following Michigan Towns: Alpena, MI; and Muskegon, MI
> **Rule** · Final rule. · Published 2016-02-08 · Effective 2016-03-31 · 81 FR 6447
## Document
- **Document number:** 2016-02285
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 81 FR 6447
- **Publication date:** 2016-02-08
- **Effective date:** 2016-03-31
- **FAA docket:** Docket No. FAA-2015-7483
## Abstract

This action amends the legal description of the Class E surface area airspace and Class E airspace designated as an extension at Alpena County Regional Airport, Alpena, MI, and Muskegon County Airport, Muskegon, MI, eliminating the Notice to Airmen (NOTAM) part- time status, and updates the geographic coordinates of Muskegon County Airport, to coincide with the FAA's aeronautical database.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/02/08/2016-02285/amendment-of-class-e-airspace-for-the-following-michigan-towns-alpena-mi-and-muskegon-mi)
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