{"data":{"id":"us/33-cfr-147.877","jurisdiction":"us","citation":"33 CFR 147.877","heading":"Safety Zone, Heidelberg Spar, Outer Continental Shelf Facility, Green Canyon 860.","body":"(a) Description. The Heidelberg Spar in the deepwater area of the Gulf of America at Green Canyon. The facility is located at: 27°6′41.0394″ N, 90°45′50.3994″ W (NAD 83) and the area within 500 meters (1640.4 feet) from each point on the facility structure's outer edge is a safety zone.\n(b) Regulation. No vessel may enter or remain in this safety zone except for the following:\n(1) An attending vessel, as defined in § 147.20;\n(2) A vessel under 100 feet in length overall not engaged in towing; or\n(3) A vessel authorized by the Commander, USCG Heartland District or a designated representative.\n(c) Requests for permission. Persons or vessels requiring authorization to enter the safety zone must request permission from the Commander, USCG Heartland District or a designated representative. If permission is granted, all persons and vessels shall comply with the instructions of the Commander or designated representative.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER N—OUTER CONTINENTAL SHELF ACTIVITIES","PART 147—SAFETY ZONES"],"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":"7d19fa728c30548fa25842f14c3080c81f47f07edc8e0682076c3687f7401990","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-147.875","next":"us/33-cfr-147.879"},"notice":"GroundRules: Original legal text. Not legal advice."}