Wilmington Sunset Beach NI18-07 NI18-04 NI17-09 Map ID: PACB-2012-1090 North Carolina 0 5 10 15 20 Nautical Miles Fed/State Boundary NC Call Areas OCS Lease Blocks Official Protraction Diagram Traffic Separation Scheme Separation Zone Precautionary Area Traffic Lane South Carolina 0 10 20 30 40 Kilometers Vessels per Aliquot - 2010 Tugs 0 1 - 20 21 - 50 51 - 100 101 - 250 More than 250