What is the total useful load in the baseline configuration (payload plus usable fuel)?

• A. 600 lb
• B. 520 lb
• C. 700 lb
• D. 660 lb

Answer: (A)

Useful load is the weight available for carrying people, baggage, and usable fuel. It’s found by adding the payload (people and baggage) to the usable fuel weight.

To determine it in the baseline configuration, you take the payload weight and add the usable fuel weight shown in the data. The baseline numbers in this question sum to 600 lb, so the total useful load is 600 lb. For instance, if the payload were 260 lb and the usable fuel were 340 lb, you’d also get 600 lb. If fuel were given in gallons, multiply gallons by the weight per gallon to get usable fuel, then add the payload.

The other numbers would only apply if the payload and usable fuel totaled that amount in the baseline data.