Your vessel's drafts are: FWD 18'-09", AFT...

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Question 1 of 2066636eec28f7522a1c51d125

Your vessel's drafts are: FWD 18'-09", AFT 20'-03". How much more cargo can be loaded to have the vessel down to the freeboard draft? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)

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Question 1 of 20

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🔍 Key Concepts

• Mean draft and how to calculate it from forward and aft drafts • Using the Deadweight Scale (Displacement vs. Draft curve) in the Stability Data Reference Book blue pages • Difference between current displacement and displacement at summer/freeboard draft

💭 Think About

• First, combine the forward and aft drafts to find an effective or mean draft. What simple calculation do you use? • Once you know the mean draft, what two points should you read from the deadweight/displacement scale in the blue pages? Think: current condition vs. freeboard draft condition. • How do you turn the displacement difference between those two draft readings into the tons of cargo you can still load?

✅ Before You Answer

• Be sure you are using the correct draft scale (salt water vs. fresh water) that matches the question’s conditions. • Double‑check that you’re reading displacement, not TPI or MT1" when you use the curve in the blue pages. • Confirm that you subtract present displacement from freeboard‑draft displacement, not the other way around, so your result is a positive deadweight remaining.

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