Section 165.920 - Regulated Navigation Area: USCG Station Port Huron, Port Huron, MI, Lake Huron(a)Location. All waters of Lake Huron encompassed by the following: starting at the northwest corner at 43°00.4' N, 082°25.327' W; then east to 43°00.4' N, 082°25.23.8' W; then south to 43°00.3' N, 082°25.238' W; then west to 43°00.3' N, 082°25.327' W; then following the shoreline north back to the point of origin (NAD 83).(b)Special regulations. No vessel may fish, anchor, or moor within the RNA without obtaining the approval of the Captain of the Port (COTP) Detroit. Vessels need not request permission from COTP Detroit if only transiting through the RNA. COTP Detroit can be reached by telephone at (313) 568-9560, or by writing to: Sector Detroit, 110 Mt. Elliot Ave., Detroit MI 48207-4380.CDG09-03-287, 69 FR 23103, Apr. 28, 2004, as amended by USCG-2012-0306, 77 FR 37315, June 21, 2012