You have 260 tons of below deck tonnage...

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Question 1 of 2066636eec28f7522a1c51beeb

You have 260 tons of below deck tonnage including liquid mud. Your existing deck cargo is 150 tons with a VCG above the deck of 2.2 feet. What is the maximum additional cargo tonnage you are permitted to load? See illustration D036DG below.

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🔍 Key Concepts

• Loading diagram D036DG – how to use vertical (below-deck) and horizontal (above-deck) lines to check if a loading condition is safe • Difference between existing deck cargo and maximum permitted deck cargo at a given below‑deck tonnage • Effect of VCG limit (3.0 ft above deck) on whether you can use the curve directly

💭 Think About

• From the diagram, what is the maximum safe total deck cargo (in long tons) when the below‑deck tonnage is 260 tons? • Once you know that maximum deck‑cargo value from the curve, how do you turn it into the maximum additional cargo you can still put on deck when 150 tons are already loaded? • Does the given VCG of 2.2 ft above deck require any reduction from the curve value, or is it already within the allowed limit shown in the loading instructions?

✅ Before You Answer

• Carefully read the USCG Stability Loading Instructions printed under the graph, especially step 1 about drawing vertical and horizontal lines and step 2 about max deck cargo VCG 3.0 ft above deck. • Make sure you are using the same units throughout – the graph is in long tons for both axes; check that the question’s tonnages are in the same units. • After reading the allowable deck cargo off the curve at 260 tons below deck, subtract your existing 150 tons to get the maximum additional cargo before you reach the boundary of the safe‑loading zone.

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