Looking to go digital with your Passage Planning? Check out our Simple E-Navigation Software, SPICA!

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 North Pacific Ocean