Emergency Navigation - Improvised and No-instrument Methods for the Prudent Mariner (Burch David)(Paperback)

Find Your Way at Sea, No Matter What "Inherently interesting and fun to read . . . provides the clearest understanding of general navigation principles we've seen yet."--BoatU.S. "Thorough and authoritative."--Sea Kayaker "A definitive work of instant appeal to seamen of all levels of experience."--The Navigation Foundation Every sailor knows that instruments can fail. Things get wet, break, fall overboard. Whether you're safe on your boat or drifting in a life raft, let David Burch show you how to find your way no matter what navigational equipment you have. Often relying on common materials like a small stick, a plastic bottle, even a pair of sunglasses, Burch explains how to make use of all available means--from the ancient skills of Polynesian navigators to the contrails of airliners overhead--to calculate speed, direction, latitude, and longitude and to
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