Your vessel's drafts are: FWD 14'-11", AFT...

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Question 1 of 2066636eec28f7522a1c51d116

Your vessel's drafts are: FWD 14'-11", AFT 15'-09"; and the KG is 18.2 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the angle of list if the center of gravity is shifted 2.0 feet off the centerline.

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Question 1 of 20

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🔍 Key Concepts

• Transverse shift of center of gravity (GG₁) and how it creates a constant heeling arm • Relationship between GZ (righting arm) from the stability curves and the heeling arm caused by shifting weights off centerline • How displacement and KG determine which stability curve to use in the blue pages

💭 Think About

• First, from the drafts, think about how you find the vessel’s displacement and match it to the proper stability curve in the reference book. • Then, consider how a 2.0-foot transverse shift of G creates a heeling arm and how that compares to the GZ values on your chosen curve. • Ask yourself: at what angle does the righting arm GZ from the curve become equal to the heeling arm produced by the 2.0-foot shift of G?

✅ Before You Answer

• Confirm you are using the correct displacement curve that matches the drafts given. • Verify you are applying the correct formula for the heeling arm due to a transverse shift of G (involving GG₁ and the sine of the list angle). • Make sure the angle of list you select is where the GZ from the curve equals the heeling arm you calculated—this balance point is the key.

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