Emergency navigation

by Burch, David

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.'--Boat U.S.'Thorough and authoritative.'--Sea Kayaker'A definitive work of instant appeal to seamen of all levels of experience.'--The Navigation FoundationEvery 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 perform all aspects of piloting and dead reckoning.Learn how toSteer by sun, stars, wind, and swellsEstimate current and leewayImpro