U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 33Chapter IPart 167Subpart B - Subpart B—Description of Traffic Separation Schemes and Precautionary Areas
View all text of Subpart B [§ 167.50 - § 167.1703]
§ 167.77 - In the approach to Boston, MA: Traffic separation scheme.

(a) A separation zone 1 mile wide is established and is centered upon the following geographic positions:

Latitude Longitude
42°20.73′ N70°39.06′ W.
42°18.28′ N70°01.14′ W.
40°49.25′ N69°00.81′ W.

(b) A traffic lane for northbound traffic is established between the separation zone and a line connecting the following geographical positions:

Latitude Longitude
40°50.47′ N68°58.67′ W.
42°20.17′ N69°59.40′ W.
42°22.71′ N70°38.62′ W.

(c) A traffic lane for southbound traffic is established between the separation zone and a line connecting the following geographical positions:

Latitude Longitude
42°18.82′ N70°40.49′ W.
42°16.39′ N70°02.88′ W.
40°48.03′ N69°02.95′ W.
[USCG-2010-0718, 75 FR 77534, Dec. 13, 2010]
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