33 CFR §147.867

1. (a)Description. The Stampede Tension Leg Platform (TLP) system is in the deepwater area of the Gulf of America at Green Canyon Block 468. The facility is located at 27°30′33.3431″ N. 90°33′22.963″ W. (NAD 83) 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, as defined by 33 CFR 147.20;
   2. (2)A vessel under 100 feet in length overall not engaged in towing; or
   3. (3)A vessel authorized by the USCG Heartland District Commander.