Section 147.869 - Safety Zone; Appomattox FPS Facility, Outer Continental Shelf on the Gulf of Mexico(a)Description. The Appomattox Floating Production System (FPS) system is in the deepwater area of the Gulf of Mexico at Mississippi Canyon Block 437. The facility is located at 28°34'25.47" N 87°56'03.11" W (NAD 83), and the area within 500 meters (1640.4 feet) from each point on the facility structure's outer edge is a safety zone.(b)Regulation. No vessel may enter or remain in this safety zone except the following: (1) An attending vessel, as defined by 33 CFR 147.20 ;(2) A vessel under 100 feet in length overall not engaged in towing; or(3) A vessel authorized by the Eighth Coast Guard District Commander or a designated representative.USCG-2017-0446, 83 FR 20734 , May 8, 2018 USCG-2017-0446, 83 FR 20734, 5/8/2018