167.52—In the approaches to Portland, ME: Eastern approach.
        
        (a) 
         A separation zone 1 mile wide is established and is centered upon the following geographical positions:
    
    | Latitude | Longitude | 
|---|---|
| 43°30.18′ N | 069°59.17′ W. | 
| 43°24.28′ N | 069°32.70′ W. | 
| 
                                
                                    Code of Federal Regulations
                                
                                867
                             | |