This nautical chart triangle in plexiglass is a manual navigation instrument for chart work and plotting on nautical charts. The triangular design combines straight edges with angle graduations for setting and reading courses, bearings, and other angles.
The chart triangle features an integrated dual protractor, allowing the degree scale to be read from both directions. The linear millimeter scale can be used for measuring and plotting on the chart, while the hypotenuse has a documented length of 25 cm.
The transparent plexiglass construction makes the nautical chart's symbols, lines, and positions visible through the instrument during use. A central black handle provides a convenient grip when placing or moving the chart triangle on the nautical chart.
The instrument is suitable for traditional navigation work, including calculating and plotting routes and distances, as well as position fixing based on bearings.
Key featuresTriangular chart plotting instrument for nautical charts
Transparent plexiglass
Central handle
Integrated dual protractor
Millimeter scale
Hypotenuse length: 25 cm
For chart work, route plotting, and bearings
