GroundRules
33 CFR 167.76: In the approach to Boston, MA: Precautionary areas.
Where this section sits in the code
- Title 33—Navigation and Navigable Waters
- CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
- SUBCHAPTER P—PORTS AND WATERWAYS SAFETY
- PART 167—OFFSHORE TRAFFIC SEPARATION SCHEMES
- Subpart B—Description of Traffic Separation Schemes and 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:
Latitude Longitude
40°50.47′ N 68°58.67′ W.
40°23.75′ N 69°13.95′ W.
(2) The precautionary area is bounded to the west by a line connecting the two TSSs between the following geographical positions:
Latitude Longitude
40°48.03′ N 69°02.95′ W.
40°36.76′ N 69°15.13′ W.
Collected 2026-08-27T02:25:35Z. Source file · JSON