Nautical Triangle Protractor

Detail

Type: Nautical navigation triangle with protractor
Shape: Isosceles triangle
Material: Transparent acrylic/plastic with printed scales
Features:

• Protractor scale (0° to 360°) marked in black and red for easy reading

• Degree markings along both equal sides

• Directional markings (N, E, S, W) with subdivisions like ENE, ESE, etc., useful for marine navigation bearings

• Horizontal ruler along the base edge (bottom side) with millimeter and centimeter graduations

• Central black handle for easy holding and stability on chart

Use:
Primarily used for course plotting, angle measurement, and directional bearings on nautical charts in marine navigation training, merchant navy deck cadet studies, and onboard operational planning.