33 CFR § 147.843Chapter I

§ 147.843 Thunder Horse Semi-Submersible safety zone.

Primary source

Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.

Full Text

Description.(a) Thunder Horse Semi-Submersible, Mississippi Canyon 778 (MC 778), located at position 28°11′26″ N, 88°29′44″ 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].

Regulation.(b) No vessel may enter or remain in this safety zone except the following:

(1) An attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing; or

(3) A vessel authorized by the Commander, USCG Heartland District.

[CGD08-05-019, 70 FR 43770, July 29, 2005]

eCFR data current as of: June 10, 2026

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.