Navigational TrianglesNavigation triangles are normally used as a pair (one against the other) in order to transfer a directional line to a different place on a chart. In this way, they perform similar to parallel rules. Although some triangles are unmarked, others (such as shown here) have protractors imprinted on them. The protractor can aid in drawing a bearing line directly on the chart, and the 90°angle can be useful in constructing lines of position.

Basic Tools

Charting Kit

$49.00

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Paralock Plotter

$25.00

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Bi-Rola Rule

$79.00

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Parallel Plotter

$22.00

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3-Arm Protractor

$33.00

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Lighted Dividers

$34.00

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Waterproof Paper

$30.00

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GPS Plotter

$35.00