{"data":{"id":"us/33-cfr-147.829","jurisdiction":"us","citation":"33 CFR 147.829","heading":"Matterhorn Tension Leg Platform safety zone.","body":"(a) Description. The Matterhorn Tension Leg Platform A (Matterhorn TLP), Mississippi Canyon 243 (MC 243), located at position 28°44′32″ N, 88°39′32″ W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].\n(b) Regulation. No vessel may enter or remain in this safety zone except the following:\n(1) An attending vessel;\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.","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":"becdf2fd39142e1040e2accb3a93653eb0184c50c3ad0a2848217625ff58b3f3","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-147.827","next":"us/33-cfr-147.831"},"notice":"GroundRules: Original legal text. Not legal advice."}