Portland Course Plotter | Essential RYA Nautical Navigation Tool

The Industry Standard for Precision Navigation

Whether you are a student tackling your RYA Day Skipper shore-based course or a seasoned skipper navigating coastal waters, the Portland Course Plotter is the most trusted instrument in your navigation kit. Designed for speed, accuracy, and professional-grade durability, it remains the "go-to" choice for maritime instructors worldwide.

What is a Portland Course Plotter used for?It is used by mariners to plot a position on a nautical chart, determine a course to steer, or find a bearing from a known landmark.

Why is it better than a standard protractor?Unlike standard protractors, the Portland Plotter is specifically designed for marine charts, featuring a rotating grid that aligns with the chart's meridians and a built-in scale for magnetic variation.

Key Features & Benefits

• RYA Approved: Widely used and recommended by RYA practical and shore-based instructors for all levels of chart work.

• Intuitive Design: Provides a quick, seamless method for plotting courses and bearings without the margin for error found in lesser tools.

• Magnetic Variation Made Easy: The base features a dedicated scale for direct reading of magnetic variation corrections, allowing you to convert between True and Magnetic headings instantly.

• Engineered for the Elements: Manufactured from high-strength, clear acrylic to ensure long-term accuracy and resistance to the harsh marine environment.

• Enhanced Readability: Features crisp, easy-to-read markings that won't fade with heavy use during long night watches or intense classroom sessions.

Pro Tip: Pair the Portland Plotter with a set of 7-inch brass dividers for the ultimate traditional navigation setup.