The jargon-free guide to celestial navigation - know what to do step by step, understand why you're doing it,Īnd be confident that you can put it into practice when on board. Step by Step Instructions for when you've lost the plot. If you have any questions or want a quote for delivery email us.īy Phil Somerville. There are more books on this subject on the other pages!īuy on line using our secure pages, by clicking on the buttons below each review Sight Reduction Tables for Air Navigation Pub No 249:.
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