100.911—Bay City Airshow, Bay City, MI.
        
        (a) Regulated Area.
         A regulated area is established to include all waters of the Saginaw River bound on the south by a line extending from a point of land on the western shore at position 43°32.2′ N; 083°53.3′ W, east to a point of land on the eastern shore located at position 43°32.2′ N; 083°53.2′ W, and bounded on the north by a line extending from a point of land on the western shore at position 43°33.4′ N; 083°54.5′ W, east to a point of land on the eastern shore located at position 43°33.4′ N; 083°54.3′ W. (NAD 83). This area is south of Middle Ground Island near Clements Municipal Airport.
    
    
        
        (b) Special Local Regulations.
         The regulations of  § 100.901 apply. No vessel may enter, transit through, or anchor within the regulated area without the permission of the Coast Guard Patrol Commander.
    
    
        
        (c) Enforcement Period:
         Two days during the second week in August. The exact dates and times for this event will be determined annually.