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For a given fuel load, if the helicopter mass is increased...

  • A

    the normal fuel burn will be increased.

  • B

    the power required will be unchanged.

  • C

    the maximum range will be decreased.

  • D

    the parasite drag will be unchanged.

Maximum range is the maximum distance that can be covered burning a specific amount of fuel.

Maximum endurance is the maximum time an aircraft can remain airborne burning a specific amount of fuel.

When a helicopter's mass is increased, the power required to generate the necessary lift to stay aloft increases. This increased power demand is translated into a higher fuel consumption per unit of time.

Then, the helicopter will burn the available usable fuel more quickly, thereby, reducing both maximum range and maximum endurance.

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