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Apparent Wind True Wind Test

March 16, 2026/by Grant Headifen

Have fun with this quick who gives way test for sailors, but be prepared for the abuse if you don’t confidently get 100%. If you get anything less than 100% then you surely should take our FREE Basic SailTrim course online.

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Navigation Rules Test

March 16, 2026/by Grant Headifen

Have fun with this quick who gives way test for sailors, but be prepared for the abuse if you don’t confidently get 100%. If you get anything less than 100% then you surely should take our FREE Navigation Rules course online.

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How does Wind Gradient affect Apparent Angle

March 11, 2026/by Grant Headifen

With wind gradient, the wind speed increases with height above the water because surface friction slows the air closer to the water. If the direction of the true wind stays the same, but the speed increases aloft, then due to the movement of the boat the apparent wind angle aloft shifts slightly aft.

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How to Trim the Headsail – Using the Fairlead?

February 20, 2026/by Grant Headifen

Master headsail trim by learning how fairlead position affects sail twist, power, and boat heel. This step-by-step visual explains when to move the fairlead forward or aft for better upwind performance and control.

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She Drives: Backing Up a Boat Trailer With Confidence

February 9, 2026/by Guest Author

Learn the tips for backing up a boat trailer with confidence and ease, overcoming the intimidation that comes with it.

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AIS Safety vs Internet AIS: The Critical Difference Sailors Miss

January 25, 2026/by Grant Headifen

AIS is one of today’s best safety tools—and one of the most misunderstood. AIS targets on your chartplotter aren’t the same as the ones in phone apps, and that difference matters. In this article, I break down how AIS really works, why some targets vanish, how vessels end up online, and the key distinction between AIS as an onboard safety system vs. an internet tracking tool.

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Why Your Gear Should Match Forecast Conditions

January 21, 2026/by Merrill Homann-Charette

Choosing foul weather gear isn’t about brands – it’s about conditions. Learn how competent boaters select inshore, coastal, or offshore protection to stay safe and effective on the water.

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Med Mooring Learnings Amidst Squawkers, Gawkers, and Midnight Crooners

January 15, 2026/by Bill Ibsen

Learn about Med mooring and the unique challenges it presents in tight marinas, especially in beautiful Aegina, Greece.

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Mast Head pull heeling versus wind heeling

January 3, 2026/by Grant Headifen

Takeaways: Standing rigging isn’t the place to economize—it’s a load-management system. Use stretchy docklines for masthead pulls, avoid shock loads, and apply smooth, steady pressure. Snatch loads break rigs.

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What is an American National Standards EDU-4 Instructor

December 20, 2025/by Grant Headifen

EDU-4 is the American National Standard that describes what high-quality on-water instruction must look like: clear objectives, structured lessons, appropriate safety and student ratios, objective assessment, and continuous improvement. NauticEd requires its instructors to follow these principles in every training session.

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