Why you should be wary of breakers at a harbor′s entrance, and how you should think about your approach.
[SailNet, 26 September 2002]
Can you identify those red, white and green lights moving toward you in the dark? Here′s an animation to test your identification of navigation lights. You can download the simulation to your computer.
[Nautical Know How, Inc., Stuart, FL, USA]
How to find North with the stars or your watch face and other ancient navigation skills. 3 pages with diagrams.
[Cruising World, March 2000]
Test yourself interactively on rules of the road, navigation, navigation lights, and seamanship. Thousands of questions.
[BoatFix, Inc., North Palm Beach, FL, USA]
An animated tour through the meeting, crossing and overtaking rules of the road. You can download the simulation to your computer.
[Nautical Know How, Inc., Stuart, FL, USA]
The author recounts a GPS signal failure on a dark night close to land and argues for a back-up navigation plan using dead reckoning.
[SailNet, 1 August 2001]
Plug in a your boats speed, time sailed, or distance sailed (pick two) and this page will predict your time of arrival, your speed of travel, or (with a known heading) your dead reckoning position.
[US Sailing, Portsmouth, RI, USA]
Here′s the original "log." Drop a float at the bow, time its passage to the stern, and use this page (with your boat′s length) to calculate your speed through the water.
[US Sailing, Portsmouth, RI, USA]
An authoritative navigational resource for voyage planning and reference underway. Includes detailed sections on navigation, weather, safety, communications, etc. Six editions cover the UK, N. America, and the Caribbean.
[Thomas Reed Publications, Inc., Boston, MA, UK]
Bowditch′s original and still the most thorough American textbook on all aspects of navigation. Well illustrated and updated in 1995 to cover electronic navigation. Covers many related topics such as oceans dynamics, weather, ice, and chartmaking.
[I'd Rather Be Sailing, Dania, FL, USA]