Home › CFR › Title 33 › Part 14333 CFR Part 143 — Design and EquipmentSubpart A — General§ 143.1— Purpose.§ 143.15— Lights and warning devices.Subpart B — OCS Facilities§ 143.100— Applicability.§ 143.101— Means of escape.§ 143.105— Personnel landings.§ 143.110— Guards and rails.§ 143.120— Floating OCS facilities.Subpart C — Mobile Offshore Drilling Units§ 143.200— Applicability.§ 143.201— Existing MODUs exempted from new design requirements.§ 143.205— Requirements for U.S. and undocumented MODUs.§ 143.207— Requirements for foreign MODUs.§ 143.208— Hazardous location requirements on foreign MODUs.§ 143.210— Letter of compliance.Subpart D — Vessels§ 143.300— Applicability.§ 143.301— Load line requirements.§ 143.302— Hazardous location requirements on foreign vessels engaged in OCS activities.Subpart E — Standby Vessels§ 143.400— Applicability.§ 143.401— Vessel certification and operation.§ 143.405— Equipment.§ 143.407— Manning.