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List of Figures and Tables | |
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Foreword to the First Edition | |
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Preface to the Second Edition | |
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Acknowledgments | |
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Introduction | |
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What Is Emergency Navigation? | |
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The Scope of This Book | |
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Preparation for Navigational Emergencies | |
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Time and Place at Sea | |
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Latitude Regions and Seasons Defined | |
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Time in Navigation | |
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Finding Position versus Keeping Track of Position | |
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Directions at Sea | |
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Choosing a Route | |
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Compass Checks | |
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Steering without a Compass | |
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Steering by Wind and Swells | |
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Reading the Wind | |
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Swells, Waves, and Ripples | |
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Wind Shifts | |
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Steering by the Stars | |
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Know the Whole Sky | |
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How the Stars Move | |
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Steering by the North Star | |
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The Summer Triangle | |
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The Great Square of Pegasus | |
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Finding North without the North Star | |
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Steering by Orion | |
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Steering by Gemini and Procyon | |
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Steering by Scorpio | |
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Steering by the Southern Cross and the South Pole | |
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Steering by Overhead Stars | |
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Steering by Zenith Stars | |
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Star Paths | |
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Timing Low Stars | |
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Steering by the Sun | |
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Sunrise and Sunset | |
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Morning Sun and Afternoon Sun | |
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Local Apparent Noon | |
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Solar Time Method | |
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The Shadow-Tip Method | |
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The Tropics Rule for the Sun | |
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Sun Crossing Due East or West | |
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Sun Compasses | |
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When the Sun Is Obscured | |
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Steering by Other Things in the Sky | |
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The Moon | |
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The Planets | |
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Clouds, Birds, and Planes | |
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Satellites | |
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Steering in Fog or Under Cloudy Skies | |
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How to Make a Magnetic Compass | |
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Direction Finding with a Portable Radio | |
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Streaming a Line along the Centerline | |
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Finding the Sun as a Viking Would | |
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Currents | |
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Ocean Currents | |
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Tidal Currents | |
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Wind-Driven Currents | |
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Coastal Currents | |
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Dead Reckoning | |
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Emergency DR | |
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Finding Boat Speed | |
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DR Errors from Speed and Direction | |
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DR Errors from Current and Leeway | |
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Progress to Weather | |
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Latitude at Sea | |
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Makeshift Altitude Measurements and Calibrations | |
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Makeshift Altitude Corrections | |
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Latitude from Polaris | |
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Latitude from Zenith Stars | |
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Latitude from Horizon-Grazing Stars | |
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Latitude from Double Transits of Circumpolar Stars | |
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Latitude from the Sun at LAN | |
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Latitude from the Length of Day | |
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Keeping Track of Latitude | |
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Longitude at Sea | |
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Longitude from Sunrise or Sunset | |
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Longitude from LAN (the Equation of Time) | |
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Finding UTC from a Known Position | |
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Keeping Track of Longitude | |
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Coastal Piloting without Instruments | |
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Signs of Land at Sea | |
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Visible Range of Lights and Land | |
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Distance Off | |
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Running Fix from Radio Bearings | |
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Course Made Good in Current | |
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What to Do with What You've Got | |
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Routine Navigation with Everything | |
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Position by Radio Contact | |
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Everything but UTC | |
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Everything but a Sextant | |
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Everything but Sight Reduction Tables | |
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Everything but a Compass | |
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Everything but an Almanac | |
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Nothing but UTC | |
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Annotated Bibliography | |
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Basic Marine Navigation | |
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Almanac Data | |
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Stars and Star Identification | |
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Finding Longitude without Time | |
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No-Instrument Navigation | |
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Emergency Seamanship | |
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Periodicals of Interest to Emergency Navigation | |
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Meteorology and Oceanography | |
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Published Aids to Navigation | |
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Index | |