An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Final rule.
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.