33 CFR 167.53 - In the approaches to Portland, ME: Southern approach.

Regulations most recently checked for updates: Jan 21, 2026

§ 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:

Latitude	Longitude
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]