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Portland Course Plotter Kit nautical chart – Boat Books | Mapworld
Portland Course Plotter Kit nautical chart – Boat Books | Mapworld Portland Course Plotter Kit – chart detail | Mapworld Portland Course Plotter Kit – chart detail | Mapworld

Portland Course Plotter Kit

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Essential Navigation Tools for Seamanship & Sailing Instruction

The Portland Course Plotter Kit is a trusted companion for sailors, navigators, and instructors worldwide. Whether you're plotting coastal passages or training for your RYA or other certification, this kit provides the precision and ease you need to stay confidently on course.

Widely used in both practical and shore-based navigation courses, this plotting kit is ideal for students, skippers, and anyone refining their chartwork skills.


What's Included:

  • Portland Course Plotter

    • Clear base with a fixed grid, making it easy to plot coordinates directly from your GPS.

    • Bright blue directional arrow eliminates the risk of plotting reciprocal bearings by mistake.

    • Graduated edges help calculate tidal movement, distance, and boat speed quickly and accurately.

    • Durable and easy to handle—suitable for use onboard or at the chart table.

  • 7" Single-Handed Divider

    • High-quality brass divider with a smooth action and precise points, perfect for one-handed operation during busy navigation tasks.

    • Ideal for measuring distances on charts with confidence and efficiency.

  • Comprehensive Instructions

    • A helpful guide is included to walk you through the use of both plotter and dividers, covering basic plotting techniques and tips for effective navigation.


Why Choose the Portland Plotter Kit?

Endorsed by professionals – Used extensively in sailing schools and by navigation instructors globally
Reliable and accurate – Designed for clarity and ease of use under real-world conditions
Perfect for learning or refining skills – Whether you're studying for your Day Skipper or Yachtmaster, this kit supports solid foundational navigation
Compact and portable – Easily fits into your navigation kit bag or cockpit locker


Equip yourself with the tools trusted by navigators the world over. The Portland Course Plotter Kit combines accuracy, durability, and simplicity—everything you need to take command of your course with confidence.

🛒 Order yours today and navigate like a pro.


Frequently Asked Questions

What is the Portland Course Plotter Kit used for?

This chart plotting instrument is used in marine and aerial navigation for measuring distances, plotting positions, and calculating bearings on nautical and aeronautical charts. It is an essential tool for accurate manual chart work.

Is this instrument compatible with standard nautical charts?

Yes, this instrument is designed for use with standard nautical charts. Check that the scale markings correspond to the chart scale you are working with for accurate measurements and bearings.

Is this instrument suitable for recreational or professional use?

Chart plotting instruments from Mapworld suit both recreational sailors and professional navigators. They are accurate, durable tools built for regular chart work in marine and aviation navigation.

Does Mapworld ship the Portland Course Plotter Kit across Australia?

Yes, Mapworld ships Australia-wide. Standard shipping is a flat $7 rate, with free standard shipping on orders over $75. Express options are available at checkout. Most orders placed before 2pm AEST on business days are dispatched the same day.



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