Illustrated Navigation

The author has been sailing for more than 25 years and has logged 50,000 nautical miles including three Atlantic crossings.

TRADITIONAL NAVIGATION. How charts are created. Latitude and longitude. Position. Using charts. Variation and deviation. The steering compass. Logs and echosounders. Plotting implements. Leeway and current. Handbearing compasses. Dead reckoning/Bearings. Miscellaneous. Night sailing. IALA buoyage system. Tide and tidal currents. Navigation lights. Summary. ELECTRONIC NAVIGATION. The GPS system. How does GPS work?. GPS receivers. Using the GPS receiver. Chart plotters. Using the chart plotter. Waypoints and routes. Display setup. Receiver setup. Radar. How the radar works. Range/Bearing discrimination. Radar operation. Adjusting the radar. Radar problems. Setting up the display. Collision avoidance. CELESTIAL NAVIGATION. The suna s geographic position. Astronomical model. Principles of celestial navigation. Hour angles. Noon sight. Measuring suna s altitude. UTC, Zone and standard time. Working a sight. Sight reduction sheet. Taking the noon sight. Plotting position lines. Finding lat. and long. directly. Corrections. Stars. Polaris (the polar star). Using a calculator. Appendix: Tables and formulae.