Emergency Navigation, 2nd Edition: Improvised and No-Instrument Methods for the Prudent Mariner
Price 15.30 - 40.71 USD
Find Your Way at Sea, No Matter What 8220;Inherently interesting and fun to read . . . provides the clearest understanding of general navigation principles we"ve seen yet.8221;--BoatU.S. 8220;Thorough and authoritative.8221;--Sea Kayaker 8220;A definitive work of instant appeal to seamen of all levels of experience.8221;--The Navigation Foundation Every sailor knows that instruments can fail. Things get wet, break, fall overboard. Whether you8217;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 perform all aspects of piloting and dead reckoning. Learn how to * Steer by sun, stars, wind, and swells * Estimate current and leeway * Improvise your own knotmeter or plumb-bob sextant * Find the sun in a fogbank * Estimate latitude with a plate and a knotted string * And more vital information