Section 147.821 - Brutus Tension Leg Platform safety zone(a)Description. The Brutus Tension Leg Platform (Brutus TLP), Green Canyon Block 158 (GC 158), is located at position 27°47'42.86" N, 90°38'51.15" 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.CGD08-01-025, 68 FR 4102, Jan. 28, 2003