Celestial Navigation Format:Paperback "Adrian Webb has done well

"Adrian Webb has done well to spot this important gap in our knowledge of the UKHO and its vital role in Britain’s war-time chart making

In each case the mariner has to decide the correct course of action to navigate his/her vessel through the hazard

combined with additional information sourced from Imray's network

Portnafrankagh (Frenchport) (1 : 25

a quick-reference guide to changes

Celestial Navigation Format:Paperback "Adrian Webb has done wellCelestial navigation is one of the oldest of the mariner's arts and one of the most awe inspiring. It is also essential for every ocean sailor who wants to be able to fix his position should the GPS fail. Tom Cunliffe shows you how to master the art in easy stages. Within a few pages you'll be taking your first sight. From there it is a short step to plotting your position, wherever you may be on the world's oceans. Whether you need to pass an exam,