CFR›Title 33›Chapter I›Part 143 ContainsSubparts A–ECorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 143—DESIGN AND EQUIPMENT Subparts A Subpart A—General Sections 143.1–143.15 B Subpart B—OCS Facilities Sections 143.100–143.120 C Subpart C—Mobile Offshore Drilling Units Sections 143.200–143.210 D Subpart D—Vessels Sections 143.300–143.302 E Subpart E—Standby Vessels Sections 143.400–143.407 Authority43 U.S.C. 1333(d)(1), 1348(c), 1356; 49 CFR 1.46; section 143.210 is also issued under 14 U.S.C. 946 and 31 U.S.C. 9701.SourceCGD 78-160, 47 FR 9382, Mar. 4, 1982, unless otherwise noted. Previous 142 Part 142—Workplace Safety and Health Next 144 Part 144—Lifesaving Appliances