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The gust alleviation factor is applied because

  • A.The aircraft responds before it is fully immersed
  • B.Gusts are always weaker than assumed
  • C.The wing stalls in every gust
  • D.The pilot reduces speed in turbulence

Answer: A

A real gust builds up over a distance rather than striking instantaneously, and the aircraft starts to accelerate upward during that build-up, which reduces the angle-of-attack change it actually experiences. The factor, always less than one, corrects the idealised sharp-edged gust result.

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