# Revocation of Class E Airspace; Port Huron, MI
> **Rule** · Final rule. · Published 2021-09-09 · Effective 2021-12-02 · 86 FR 50453
## Document
- **Document number:** 2021-19275
- **Category:** airspace
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 86 FR 50453
- **Publication date:** 2021-09-09
- **Effective date:** 2021-12-02
- **FAA docket:** Docket No. FAA-2021-0235
## Abstract

This action revokes the Class E surface airspace at St. Clair County International Airport, Port Huron, MI. This action is the result of an airspace review caused by the decommissioning of the Remote Communications Outlet (RCO) frequency at St. Clair County International Airport.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/09/09/2021-19275/revocation-of-class-e-airspace-port-huron-mi)
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