(a) Description. The West Delta 143 Platform is located at position 283942" N, 893305" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge, not to extend into the adjacent Mississippi River Approach Fairway, is a safety zone.
(b) Regulation. No vessel may enter or remain in this safety zone except: (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. [CGD 08-99-023, 65 FR 16825, Mar. 30, 2000]