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§ 167.76 In the approach to Boston, MA: Precautionary areas.

33 CFR 167.76

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  9. Subpart B
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  11. 33 CFR 167.76
Citation33 CFR 167.76
CorpusDaily eCFR
Displayed edition2026-04-15
Last updated2026-04-15

§ 167.76 In the approach to Boston, MA: Precautionary areas.

(a) A precautionary area is established with a radius of 6.17 nautical miles centered upon geographical position 42°22.71′ N, 70°46.97′ W.

(b) (1) A precautionary area is established and is bounded to the east by a circle of radius 15.5 miles, centered upon geographical position 40°35.01′ N, 68°59.96′ W, intersected by the traffic separation schemes in the approach to Boston, MA, and Eastern approach, off Nantucket (part II of the TSS off New York) at the following geographical positions:

LatitudeLongitude
40°50.47′ N68°58.67′ W.
40°23.75′ N69°13.95′ W.

(2) The precautionary area is bounded to the west by a line connecting the two TSSs between the following geographical positions:

LatitudeLongitude
40°48.03′ N69°02.95′ W.
40°36.76′ N69°15.13′ W.

[USCG-2010-0718, 75 FR 77534, Dec. 13, 2010]