System Electronic Navigational Chart

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SENC. In ECDIS means a database, in the manufacturer’s internal ECDIS format, resulting from the loss-less transformation of the entire ENC contents and its updates. It is this data base that is accessed by ECDIS for the display generation and other navigational functions, and is equivalent to an up-to-date paper chart. The SENC may also contain information added by the mariner and information from other sources.

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