{"data":{"id":"us/33-cfr-149.570","jurisdiction":"us","citation":"33 CFR 149.570","heading":"How is a platform, single point mooring, or submerged turret loading identified?","body":"(a) Each platform, single point mooring, or submerged turret loading (STL) that protrudes above the water or is marked by a buoy must display the name of the deepwater port and the name or number identifying the structure, so that the information is visible:\n(1) From the water at all angles of approach to the structure; and\n(2) From aircraft on approach to the structure if the structure is equipped with a helicopter pad.\n(b) The information required in paragraph (a) of this section must be displayed in numbers and letters that are:\n(1) At least 12 inches high;\n(2) In vertical block style; and\n(3) Displayed against a contrasting background.\n(c) If an STL protrudes from the water, it must be properly illuminated in accordance with § 149.540 of this part.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER NN—DEEPWATER PORTS","PART 149—DEEPWATER PORTS: DESIGN, CONSTRUCTION, AND EQUIPMENT","Subpart E—Aids to Navigation"],"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":"0d0c487a91a8d4d8dbde5e962922648edc5d17df8b7f9e85ac63074ccbb67168","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-149.565","next":"us/33-cfr-149.575"},"notice":"GroundRules: Original legal text. Not legal advice."}