||United Kingdom Hydrographic Office
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The sixth revised edition of the NP136 by United Kingdom Hydrographic Office (UKHO) - the publication is the one of the "Admiralty Routing and Voyage Planning Publications" series. As usual, British Admiralty releases provide seafarers with necessary information on ocean voyage planning, with routing details being applicable to both sailing and powered vessels. The information in the book is presented in the individual chapters for the each of oceans of the world, and each chapter offers the valuable data on climate, weather, winds, currents, seasonal factors, ice hazards, etc., as well as the shortest routes to take between ports and important positions. The perfect traditional source of information for seafarers.