(a) Description. The Gulfstar 1 Spar is in the deepwater area of the Gulf of America at Mississippi Canyon Block 724. The facility is located at 28°14′05.904″ N, 88°59′43.306″ W, and the area within 500 meters (1640.4 feet) from each point on the facility structure's outer edge is a safety zone.

(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, USCG Heartland District or a designated representative.