33 CFR §147.857

1. (a)Description. The Tahiti SPAR facility is in the deepwater area of the Gulf of America at Tahiti SPAR. The facility is located at 27°19′33.3″ N/−90°42′50.9″ W and the area within 500 meters (1640.4 feet) from each point on the facility structure's outer edge is a safety zone.
2. (b)Regulation. No vessel may enter or remain in this safety zone except the following:
   1. (1)An attending vessel;
   2. (2)A vessel under 100 feet in length overall not engaged in towing; or
   3. (3)A vessel authorized by the Commander, USCG Heartland District or a designated representative.