Learning Center - Nautical Knowledge

Here you'll find resources to enhance your nautical knowledge.

• Maritime Signal Flags  - their names and meanings - and the Semaphore Flag Signaling System 
• Nautical Quizzes & Online Boating Courses
• U.S. VHF Marine Radio Channels and Frequencies
• Links Page - Here you'll find many links to relevant resources, including boating regulations, safety, navigation, Rules of the Road and more!

Boating Regulations

• M.G.L. - Chapter 90B - Massachusetts General Laws Pertaining to Motorboats and Other Vessels
• The Federal Requirements - Office of Boating Safety - Regulations & Publications

Calculators

• Distance and Chart Scale Calculators
• Meters, Feet and Fathoms Calculator
• Speed Conversion Calculator
• Weather Calculators

Can I afford that new boat?

• Loan Calculator

Weather

• National Weather Service Glossary - Glossary Index - Learn the terms
• Wind Scales - Learn the terms - Beaufort Wind Scale, Saffir-Simpson Hurricane Scale, Wind Warnings, Fujita Tornado Scale