Calculating time and distance

Article Abstract:

Navigation essentially requires the ability to gauge times, speed and distances. Although the mathematical calculating involved in navigation is generally simple, small boat sailors must remember that there are specific relationships between distance in miles, speed in knots and time in hours.

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Jibe for best VMG

Article Abstract:

A downwind destination can sometimes be reached fastest by downwind jibing, or filling the sails by heading slightly into the wind. Finding the best angle through plotting or using a mathematical formula is described, and a table is also presented.

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Where are we anyway?

Article Abstract:

The most modern navigational aids are not an absolute guarantee against accidents. An overview of how a passenger ship ran aground and how to avoid a similar fate is presented and discussed.

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