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Gnomonic Charts are designed used in passage planning to plot great circle routes as a straight line. These charts are useful for devising composite rhumb line courses.

Fifteen charts are available covering the oceans of the world: North Atlantic, South Atlantic, North Pacific, South Pacific and Indian Ocean.

British Admiralty Routing Paper Charts (United Kingdom Hydrographic Office – UKHO) - A Gnomonic Planning Chart for Great Circle Sailing Indian and Southern Oceans