(a) Description. Marco Polo Tension Leg Platform, Green Canyon 608 (GC 608), located at position 272143.32" N, 901053.01" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].
(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. [CGD08-04-004, 69 FR 33858, June 17, 2004]