Plotter Portland Course
The Portland plotter is one of the most popular chart work instruments and is widely used by RYA practical and shore based instructors. It provides a quick method of plotting courses and bearings and gives a direct reading of corrections from magnetic variation. The new version has been developed in consultation with the RYA and has been engineered for both strengths and fine accuracy.
The Portland plotter is one of the most popular chart work instruments and is widely used by RYA practical and shore based instructors. It provides a quick method of plotting courses and bearings and gives a direct reading of corrections from magnetic variation. The new version has been developed in consultation with the RYA and has been engineered for both strengths and fine accuracy.