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2011 Great Lakes Pleasure Craft and Sailing Vessel Traffic
Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and international... -
2011 East Coast Pleasure Craft and Sailing Vessel Traffic
Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and international... -
2011 West Coast Pleasure Craft and Sailing Vessel Density
Automatic Identification Systems (AIS) are a navigation safety device that transmits and monitors the location and characteristics of many vessels in U.S. and international...