What makes the Portland Course Plotter Kit unique?
• Includes chartplotter & one-handed compass – Everything you need for precise chart navigation.
• Determines true heading – Helps correct magnetic variations so you always follow the correct heading.
• Handcrafted Design – Each piece is carefully tested for accuracy.
• Glides smoothly over cards – The molded base with rounded feet prevents resistance.
• Easy to turn – The compass dial with raised fins is designed for easy use, even with gloves on.
• Durable and Reliable – The brass hinge is lubricated with silicone grease for smooth operation.

Product features:
• Complete set: Chartplotter & 7" one-handed compass
• Hand-printed scale for optimum precision
• Bright blue directional arrow prevents accidental reverse course setting
• Graduated edges for tide calculation and boat speed
• Fixed grid base makes it easy to plot latitude from your GPS
• Extensive instructions included

• After use, clean with a dry or slightly damp cloth to remove dust and salt deposits.
• Check regularly that the compass disc turns smoothly and is free from dirt.
• Store in a dry place to prevent wear from moisture and salt.
• Use a small amount of silicone grease on the brass pivot if movement becomes stiff.
• Store in a protective cover to prevent scratches and damage.

• Why should I use this plotter if I have a GPS?
The Portland Course Plotter Kit is a reliable backup in case of electronic failure and gives you a hands-on feel for navigation.

• Can I use this plotter without experience?
Yes! The included instructions will help you get started step by step.

• Is the kit suitable for professional use?
Absolutely. The kit is used worldwide by instructors and navigation experts.

• What is the difference between true north and magnetic north?
True north is based on the Earth's axis, while magnetic north is influenced by the Earth's magnetic fields. This plotter helps you apply the correct corrections.