{"data":{"id":"us/33-cfr-167.76","jurisdiction":"us","citation":"33 CFR 167.76","heading":"In the approach to Boston, MA: Precautionary areas.","body":"(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.\n(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:\nLatitude Longitude\n40°50.47′ N 68°58.67′ W.\n40°23.75′ N 69°13.95′ W.\n(2) The precautionary area is bounded to the west by a line connecting the two TSSs between the following geographical positions:\nLatitude Longitude\n40°48.03′ N 69°02.95′ W.\n40°36.76′ N 69°15.13′ W.","path":["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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"8d36a58c7c76f8b0d3925fc5a24354249bda12eec3b0606d26bc9e26f113768d","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-167.75","next":"us/33-cfr-167.77"},"notice":"GroundRules: Original legal text. Not legal advice."}