Section 147.805 - Ursa Tension Leg Platform safety zone(a)Description. The Ursa Tension Leg Platform (Ursa TLP) is located at position 28°09'14.497" N, 89°06'12.790" 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:(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