Maritime Knowledge Base

Practical guides, mathematical theories, and operational safety tips for the modern seafarer.

Mercator vs. Great Circle Sailing

Rhumb lines vs. Great Circle tracks. Learn exactly when to save fuel and when to prioritize safety on ocean passages.

Stop dragging anchor. Understand the catenary curve, swinging radius, and heavy weather rules for deck officers.

Gyro vs. Magnetic. A practical guide to Variation, Deviation, and the ABC calculation method for exams and watchkeeping.

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