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Raising the landing \( C_{L,max} \) from \( 2.4 \) to \( 2.9 \) allows the limiting wing loading to rise by a factor of

  • A.0.83
  • B.1.45
  • C.1.21
  • D.1.10

Answer: C

For a fixed approach speed the allowable wing loading scales directly with the lift coefficient, so the factor is \( 2.9/2.4 = 1.208 \). Twenty per cent more wing loading is a substantial return on a better flap system.

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