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Charts and books for yachtsmen providing unrivalled coverage of popular cruising areas around the world.

Frequently asked questions for Imray digital charts

Passage Planning question:

Why does my passage plan give unrealistic times on long passages

Answer:

In order to get accurate times on lengthy passage plans such as across the English Channel. Pleae ensure you use regular waypoints and not simply one at the start and one at the end of the passage. This way the software will calculate the passage using the closest tidal diamond for each leg.

 

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FAQ last updated: Monday, July 18, 2011 by Imray.