167.53 In the approaches to Portland, ME: Southern approach.§ 167.53 In the approaches to Portland, ME: Southern approach.
(a) A separation zone 1 mile wide is established and is centered upon the following geographical positions:
|43°27.00′ N||70°03.48′ W.|
|43°07.82′ N||69°54.95′ W.|
(b) A traffic lane 1 1/2 mile wide is established on each side of the separation zone.[USCG-2010-0718, 75 FR 77533, Dec. 13, 2010]