The SS AMERICAN MARINER has on board 3245...

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Question 1 of 2066636eec28f7522a1c51cb6f

The SS AMERICAN MARINER has on board 3245 tons of cargo with an LCG-FP of 272.20 feet. See table ST-0166 below for the distribution of the cargo to be loaded. Use the white pages of The Stability Data Reference Book to determine the final LCG-FP of the cargo. No. 1 Main Deck............................90 No. 1 Second Deck.....................100 No. 2 Second Deck.....................160 No. 2 Third Deck.........................130 No. 3 Tank Top............................380 No. 4 Tank Top............................320 No. 5 Tank Top............................360 No. 5 26'-6" Flat P/S REEFER....110 No. 6 Second Deck.....................120 No. 6 Third Deck.........................110 No. 7 Second Deck.....................120 No. 7 Third Deck.........................140

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Question 1 of 20

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🔍 Key Concepts

• Use the LCG formula: Final LCG = (Sum of all longitudinal moments) / (Total cargo weight) measured from the forward perpendicular (FP). • For each stowage location in table ST-0166, the weight comes from the table, but the LCG for that location must be taken from the white pages of the Stability Data Reference Book. • Remember to include the original cargo already on board (3245 tons at LCG 272.20 ft) when calculating the final LCG of all cargo.

💭 Think About

• How do you turn a list of cargo weights and their LCGs into a single combined LCG for all cargo together? • What is the longitudinal moment of the cargo that is already on board, and what are the total longitudinal moments and weights after you add the new cargo? • When you divide the final total moment by the final total weight, is the resulting LCG closer to the forward or aft holds, and does that match the answer choice range?

✅ Before You Answer

• Compute the existing cargo moment: (3245 tons) × (272.20 ft). • From the white pages, get each compartment’s LCG-FP, then calculate each individual moment = weight × LCG and sum them for all new cargo. • Add all weights (existing + new) and all moments (existing + new), then compute Final LCG = Total Moment ÷ Total Weight and compare carefully with the given choices.

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