“e-Navigation is the harmonised collection, integration, exchange, presentation and analysis of maritime information onboard and ashore by electronic means to enhance berth to berth navigation and related services, for safety and security at sea and protection of the marine environment”ĪIS capabilities are recognized as critical parts of the US e-Navigation strategy in the CMTS e-Navigation Strategic Action plan. The Committee on the Marine Transportation System (CMTS) e-Navigation Strategic Action Plan (“e-Navigation Strategic Action Plan” 2012) quotes the International Maritime Organization (IMO) definition of e-Navigation as: In the United States, it is intended that this additional information be transmitted from shore-side AIS base stations in a binary message format as part of an overall e-Navigation strategy. This includes meteorological and hydrographic data, carriage of dangerous cargos, safety and security zones, status of locks and Aids to Navigation (AtoNs), and other port/waterway safety information. In addition to providing a means for maritime administrations to effectively track the movement of vessels in coastal and inland waters, AIS can be a means to transmit information to ships in port or underway that contributes to safety-of-navigation and protection of the environment. The Automatic Identification System (AIS) is an autonomous and continuous broadcast system that exchanges maritime safety/security information between participating vessels and shore stations. Physical Scientist and Project Manager, US Coast Guard R&D Center, USA Senior Program Manager, Alion Science and Technology, USAĮ-Navigation Team Leader, US Army Corps of Engineers, USA This paper describes the ASM transmit architecture and the testing that has been done to date to validate this architecture
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