Navigation, along with piloting, is the science of safely moving a boat from one place to another. Safe navigation includes marine chart reading, course plotting, and position finding underway. It takes into account tides and currents, an understanding of the maritime Rules of the Road, and correct interpretation of weather data. Understanding the capabilities of a specific boat in a variety of wind and sea state conditions is a vital part of safe navigation and piloting.
Online Survey Until March 2018
For a quarter of a century, GPS (Global Positioning System) and other GNSS (Global Navigation Satellite Systems) have steadfastly provided excellent time and positioning information to mariners of vessels great and small, across oceans and ponds, in all seasons and in all weathers.
It’s a dark and squally night in November 2014. Vestas Wind, one of the boats participating in the round-the-world Volvo Ocean Race, is romping along at 16 knots in the Indian Ocean.
This is the story of Monty and Sara Lewis, authors of the Explorer Chartbooks of the Bahamas. For the past 17 years, they have been supplying fellow cruisers with essential intelligence, gathered aboard their 1978 Mainship 34 Saranade.