Portland Race Plotter Protractor

Elevate Your Chartwork with Unmatched Clarity and Control
Say goodbye to guesswork and hello to precision with this high-performance course plotter, engineered to transform how you navigate. Whether you're plotting a course in rough seas or teaching navigation techniques, this tool combines intuitive design with professional-grade accuracy, making it indispensable for mariners who demand reliability. Its thoughtful features, like the rotating compass rose and bright directional arrow, are built to perform in real-world conditions, ensuring you stay on track even when the elements work against you.

Engineered for Speed and Accuracy
Every detail of this plotter is designed to save time and reduce errors. The graduated edges let you quickly calculate tidal speeds and vessel velocity without flipping between tools, while the fixed grid base aligns effortlessly with GPS coordinates for precise latitude plotting. No more second-guessing your measurements—just smooth, confident chartwork that keeps you ahead of the curve.

Built to Withstand the Demands of the Sea
Crafted for durability, this plotter is as rugged as it is precise. Its robust construction ensures it stands up to the rigors of frequent use, whether you're navigating coastal waters or teaching in a classroom. The compact size fits easily into any navigation kit, while the clear, easy-to-read markings remain visible in all lighting conditions. It’s the kind of tool you’ll reach for again and again, knowing it won’t let you down when it matters most.

Your Navigation Partner, Wherever the Journey Takes You
From sailing instructors to offshore adventurers, this course plotter is trusted by those who rely on accuracy and efficiency. Complete with comprehensive instructions, it’s ready to help you master navigation from day one. Whether you're plotting a course for a weekend cruise or preparing for a long-distance passage, this tool ensures you navigate with confidence, clarity, and control.

This precision course plotter is built to deliver professional-grade performance with a 13" (330 mm) length and 5.25" (130 mm) width, offering ample space for accurate chartwork without taking up excessive room. Weighing just 0.8 kg, it’s lightweight yet sturdy, making it easy to handle in any setting. The rotating compass rose and bright blue directional arrow enhance usability, while the graduated edges provide quick reference for tidal and vessel speed calculations. Designed for durability and ease of use, it’s the ideal tool for mariners who need reliable navigation support.

• Unmatched precision for effortless chartwork, even in challenging conditions
• Rotating compass rose and bright directional arrow eliminate errors and improve usability
• Graduated edges streamline speed and tidal calculations, saving time and reducing complexity
• Fixed grid base ensures accurate GPS latitude alignment for reliable position plotting
• Durable, compact design fits seamlessly into any navigation kit, making it ideal for both professional and recreational use
• Trusted by sailing instructors and mariners worldwide for its reliability and ease of use