You are entering the channel at buoy 29 and...

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Question 1 of 2066636eea28f7522a1c51b14d

You are entering the channel at buoy 29 and turning for 9 knots. An easterly wind is causing 3°of leeway and the current is 320°T at 1.2 knots. What true course should you steer to remain in the middle leg of York Spit Channel?

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Question 1 of 20

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🔍 Key Concepts

• Leeway caused by wind and how it affects the ship’s course made good versus heading • Effect of set and drift of current on the vessel’s actual track over the ground • Relationship between speed through the water, current vector, and resulting course to steer

💭 Think About

• First, think about whether the 3° of leeway from an easterly wind will push your vessel to the west or to the east of your intended track • Next, picture the current of 320°T at 1.2 knots as a vector: is it setting you generally toward the northwest or southeast, and which side of the channel will that push you toward? • Compare your ship’s speed (9 knots) to the current’s drift to estimate how much to crab into the current and leeway, then decide whether your true course to steer should be higher or lower than the channel’s middle-leg course

✅ Before You Answer

• Be clear on the true course of the middle leg of York Spit Channel from the chart or exam reference before doing any corrections • Verify the direction of leeway correction: you steer into the wind to counter leeway, not with it • Check that your chosen answer reflects a reasonable total correction (in degrees) for both wind and current given 9 knots through the water and 1.2 knots of current—not an unrealistically large or tiny correction

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