Blundell Harling Portland Course Plotter Navigation Divider Set

The Portland Plotter is one of the most popular chart work instruments, similar to the Breton Plotter, and is widely used by the RYA practical and shore based instructors. Supplied with Single handed Dividers for the complete navigation kit.

• Used worldwide by practical and shore based instructors
• Bright blue directional arrow prevents accidental reciprocal bearings
• Edges are graduated for tide and boat speed
• Base has a fixed grid so it is easy to plot latitude from your GPS system
• Includes a 7″ Single Handed Divider
• Comprehensive instructions included