Section 334.781 - Supervisor of Shipbuilding, Conversion and Repair Gulf Coast, Pascagoula, Mississippi; naval restricted area(a)The area. The datum for all coordinates is in NAD83 in accordance with 33 CFR 334.6 . The restricted area shall encompass all navigable waters of the United States, as defined at 33 CFR part 329, contiguous to the area identified as the Huntington Ingalls Incorporated/Ingalls Shipbuilding and Dry Dock (HII) facility and the mean high water level within an area contained in an "L" shaped area bounded by the shore on the west and north ends of the area and bounded by buoys on the east and south sides of the area starting at: Latitude N. 30°21.13' longitude W. 88°34.13', thence to Latitude N. 30°21.08' longitude W. 88°34.13', thence to Latitude N. 30°21.03' longitude W. 88°34.13', thence to Latitude N. 30°20.98' longitude W. 88°34.13', thence to Latitude N. 30°20.93' longitude W. 88°34.13', thence to Latitude N. 30°20.88', longitude W. 88°34.13', thence to Latitude N. 30°20.83' longitude W. 88°34.13', thence to Latitude N. 30°20.78' longitude W. 88°34.13', thence to Latitude N. 30°20.73' longitude W. 88°34.13', thence to Latitude N. 30°20.68' longitude W. 88°34.13', thence to Latitude N. 30°20.63' longitude W. 88°34.13', thence to Latitude N. 30°20.64' longitude W. 88°34.10', thence to Latitude N. 30°20.64' longitude W. 88°34.25', thence to Latitude N. 30°20.64' longitude W. 88°34.33', thence to Latitude N. 30°20.64' longitude W. 88°34.41', thence to Latitude N. 30°20.59' longitude W. 88°34.47', thence to Latitude N. 30°20.59' longitude W. 88°34.51', thence to Latitude N. 30°20.59' longitude W. 88°34.57', thence to Latitude N. 30°20.59' longitude W. 88°34.63', thence to Latitude N. 30°20.59' longitude W. 88°34.70', thence to Latitude N. 30°20.64' longitude W. 88°34.75', thence to Latitude N. 30°20.64' longitude W. 88°34.82', thence to Latitude N. 30°20.64' longitude W. 88°34.87', thence to Latitude N. 30°20.71' longitude W. 88°34.87'. The datum for these coordinates is WGS84.(b)The regulations.(1) All persons, swimmers, vessels and other craft, except those vessels under the supervision or contract to local military or Naval authority, vessels of the United States Coast Guard, and local or state law enforcement vessels, are prohibited from entering the restricted area without permission from the Supervisor of Shipbuilding, Conversion and Repair, USN, Gulfcoast or his/her authorized representative.(2) The restricted area is in effect twenty-four hours per day and seven days a week (24/7).(3) Should warranted access into the restricted navigation area be needed, all entities are to contact the Supervisor of Shipbuilding, Conversion and Repair, USN, Gulf Coast, Pascagoula, Mississippi, or his/her authorized representative on Marine Communication Channel 16.(c)Enforcement. The regulation in this section shall be enforced by the Supervisor of Shipbuilding, Conversion and Repair, USN, Gulf Coast and/or such agencies or persons as he/she may designate. 81 FR 90722 , Dec. 15, 2016