Category Archives: Navigation

New autonomous surface vehicles to deliver shoaler depth measurements for NOAA nautical charts

Great news from NOAA for anyone boating in shallow water. If you look closely at any U.S. coastal nautical chart, you’ll likely find that the areas closest to the shore, shoals, and rocks do not have updated depth measurements. In … Continue reading

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Free 2015 Coast Guard Light List

The U.S. Coast Guard has just released the 2015 Light Lists in PDF format for all volumes except Volume V (Volume V is only published in even years).  The Light List Volumes are available as a free download or in … Continue reading

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Navigators Piloting and Charting Reference Card

The Navigators Piloting and Charting Reference Card puts the commonly used coastal navigation formulas and symbols on one handy card for easy reference.  This card helps prevent mistakes when tired, or when doing your Navigation Class homework. Even with today’s use … Continue reading

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21st Century ATON’s & Waterway Safety

Tuesday June 3, 2014 I attended the Future of Navigation Listening Session in Seattle. This was a chance for Puget Sound boaters to find out about recent Aids to Navigation changes and hear about changes on the way and for … Continue reading

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More TVMDC – Practice Problems – Correcting and un-correcting the compass

Correcting and Un-correcting a compass is still a useful skill.  Paper charts and plotted course lines are still in use, even with today’s Cell Phone Apps and GPS Plotters.   If you take a Navigation or Piloting class that lasts … Continue reading

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NOAA’s paper nautical charts get a needed update – literally

Originally posted on NOAA COAST SURVEY:
Paper nautical charts hold a special spot in a sailor’s heart – and in the chart table. The October announcement that the federal government will stop bulk lithographic printing of nautical charts brought some…

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Historic NOAA Charts

Have you ever wondered what the Seattle Harbor Chart looked like in 1901? NOAA is scanning over 30,000 charts from their 150++ year history and releasing the high quality scans free to the public for Students, Historians, Researchers and anyone … Continue reading

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Where Are You In Lake Washington?

This is a chart showing locations in Lake Washington I made to help the Seattle Harbor Patrol train new members on locations in Lake Washington. If a friend asks you to meet them somewhere on Lake Washington and you don’t … Continue reading

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