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Define the term "Climb gradient":
  • A
    The gradient, calculated by “Rate of climb” divided by “Time”.
  • B
    The ratio, calculated by “Change in height” multiplied by “Time” (in seconds).
  • C
    “Rate of climb” in ft/min or m/s.
  • D
    The ratio, in the same units, and expressed as a percentage of “Change in height” divided by “Horizontal air distance travelled”.

Climb Gradient is the ratio, in the same units of measurement, expressed as a percentage, as obtained from the formula:

  • Climb Gradient (%) = (Change in Height / Horizontal Air Distance) x 100%

Climb gradients are measured relative to the air mass and therefore are unaffected by headwind or tailwind.

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