Section 147.825 - Chevron Genesis Spar safety zone(a)Description. The Chevron Genesis Spar, Green Canyon 205A (GC205A), is located at position 27°46'46.365" N, 90°31'06.553" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.(b)Regulation. No vessel may enter or remain in this safety zone except the following:(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.CGD08-01-043, 68 FR 4100 , Jan. 28, 2003