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The take-off mass of an aeroplane is restricted by the climb limit. The effect a headwind has on the value of this limit is…

  • A
    that the climb-limited take-off mass will increase.
  • B
    variable dependant on the height of any obstacle within the obstacle accountability area.
  • C
    that the climb-limited take-off mass will decrease.
  • D

    none.

Refer to figure.
The Climb limited Take-off Mass is independent of wind, which means that whether the aircraft is climbing in a headwind or tailwind situation, the air gradient achieved will be the same. It is an air gradient requirement under the certification specifications.
Furthermore, you can also see that there is no "Wind" section on the graph provided.

Note: However, the climb angle relative to the ground will be affected by wind.

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