147.817—Sir Douglas Morpeth Tension Leg Platform safety zone.
        
        (a) Description.
         The Sir Douglas Morpeth Tension Leg Platform (Morpeth TLP), Ewing Bank Block 921A (EW 921A), is located at position 28°02′05.28″ N, 90°01′22.12″ W. The area within 500 meters (1640.4 feet) from  each point on the structure's outer edge is a safety zone.