Your vessel has a forward draft of 26'-11" and an after draft of 29'-07". How many tons of cargo can be loaded before the vessel reaches a mean draft of 28'-06" if the TPI is 69?

Correct Answer: Option B — 207 tons

Initial forward and aft drafts yield the current mean draft. Subtracting this from the target mean draft of 28'-06" (342 inches) and multiplying the resulting inch difference by the TPI of 69 gives the allowable cargo weight: (342 - 341) * 69 = 207 tons.