(a) Description. The BW PIONEER, a Floating Production, Storage and Offloading (FPSO) system, is in the deepwater area of the Gulf of Mexico at Walker Ridge 249. The FPSO can swing in a 360 degree arc around the center point of the turret buoy's swing circle at 26°41′46.25″ N and 090°30′30.16″ W. The area within 500 meters (1640.4 feet) around the stern of the FPSO when it is moored to the turret buoy is a safety zone. If the FPSO detaches from the turret buoy, the area within 500 meters around the center point at 26°41′46.25″ N and 090°30′30.16″ W 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, Eighth Coast Guard District.