What is the baseline takeoff center of gravity (inches from datum) with full fuel?

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Multiple Choice

What is the baseline takeoff center of gravity (inches from datum) with full fuel?

Explanation:
The baseline takeoff center of gravity with full fuel is the position of balance you get when the airplane’s tanks are full and all other weights are in their referenced locations. You find it by summing the moments of every item (weight times its arm, which is the distance in inches from the datum), then dividing by the total airplane weight. In formula form: CG = total moments / total weight, measured in inches from the datum. So, with full fuel, you include the full-fuel weight and its moment along with the empty airplane weight, crew, passengers, and baggage. When you do that calculation for this problem, the resulting CG is 77.6 inches from the datum. That value reflects how the extra fuel sits relative to the datum and how it shifts the overall balance compared to other loading states. If you had less fuel, or a different payload, the total moment and total weight would change and the CG would move accordingly, producing the other possible numbers.

The baseline takeoff center of gravity with full fuel is the position of balance you get when the airplane’s tanks are full and all other weights are in their referenced locations. You find it by summing the moments of every item (weight times its arm, which is the distance in inches from the datum), then dividing by the total airplane weight. In formula form: CG = total moments / total weight, measured in inches from the datum.

So, with full fuel, you include the full-fuel weight and its moment along with the empty airplane weight, crew, passengers, and baggage. When you do that calculation for this problem, the resulting CG is 77.6 inches from the datum. That value reflects how the extra fuel sits relative to the datum and how it shifts the overall balance compared to other loading states.

If you had less fuel, or a different payload, the total moment and total weight would change and the CG would move accordingly, producing the other possible numbers.

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