CFR > Title 33 - Navigation and Navigable Waters > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER N—OUTER CONTINENTAL SHELF ACTIVITIES (parts 140 to 147) > PART 147—SAFETY ZONES > 147.843—Thunder Horse Semi-Submersible safety zone.

147.843—Thunder Horse Semi-Submersible safety zone.

(a) Description. 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].
(b) Regulation. 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, Eighth Coast Guard District.

Code of Federal Regulations

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