33 CFR § 167.51
In the approaches to Portland, ME: Precautionary area
August 2, 2023
§ 167.51 In the approaches to Portland, ME: Precautionary area.
A precautionary area is established with a radius of 5.45 miles centered upon geographical position 43°31.60′ N, 70°05.53′ W, the areas within separation zones and traffic lanes excluded.
[USCG–2010–0718, 75 FR 77533, Dec. 13, 2010]