Sven Yrvind · video

What this video covers

Sven Yrvind demonstrates how six pilot-chart-scale ocean charts — North Atlantic, South Atlantic, North Pacific, South Pacific, and two Indian Ocean sheets — cover the entire globe for an offshore passage.0:40 He shows one chart in detail, pointing out Madeira, Porto Santo, the Canary Islands, trade wind patterns for both winter and summer, West Indies islands including Martinique, iceberg zones, ocean currents, and compass variation.1:23 His argument for using these large-scale charts rather than a full folio of detailed coastal charts is practical: they cost less, take up far less space aboard a small boat, and for a vessel drawing only about 60 centimeters, shallow-water hazards are largely self-announcing because the sea breaks over shoals.2:11 He acknowledges that detailed charts are preferable when approaching a coast but frames the six-chart set as a workable minimum for a world circumnavigation on a small boat like his 5.9.2:22 The charts are shown fitting into storage aboard the vessel.2:46

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