Your vessel's drafts are: FWD 27'-06", AFT...

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Question 1 of 2066636eec28f7522a1c51d14c

Your vessel's drafts are: FWD 27'-06", AFT 28'-02"; and the KG is 21.3 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 15° inclination.

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🔍 Key Concepts

• Using the KG (height of center of gravity) with the stability curves in the blue pages of the Stability Data Reference Book • Understanding how to interpolate between curves if your exact KG is not printed • Reading off the GZ (righting arm) at a specific angle of heel (15°) from the selected curve

💭 Think About

• Which displacement (or deadweight condition) page and which family of curves applies to a ship with a KG of 21.3 feet? • If your exact KG is not one of the printed curves, how do you determine which two curves to use and how to find a value between them? • Once you locate the correct (or interpolated) curve, what is the GZ value at 15° heel, and how do you convert it into feet to match the answer choices?

✅ Before You Answer

• Make sure you are on the correct displacement/deadweight page of the blue pages before choosing any GZ value • Verify you are using the KG = 21.3 ft condition (or the correct interpolation between the bounding KG curves) • Confirm the GZ you read is specifically at 15° and that you are matching the units (feet) of the answer choices

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