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Increased offshore operations and interest in the seabed, the continuous development and construction of ports and terminals, the deeper draught of vessels using coastal waters, increased traffic management, and more efficient and rapid methods of surveying, are among the reasons for the growing amount of information reaching the United Kingdom Hydrographie Office (UKHO).
This information is closely examined in the UKHO before being promulgated in the wide range of paper charts, diagrams, books, pamphlets and digital products published by the UKHO. In this way it is sought to keep hydrographie products continually up-to-date.
While the UKHO has made all reasonable efforts to ensure the data supplied is accurate, it should be appreciated that the data may not always be complete, up to date or positioned to modern surveying standards and therefore no warranty can be given as to its accuracy.

alt : The Mariner’s Handbook

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