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A long-haul aircraft flies \( 1 \) sector a day for \( 300 \) days. Compared with the short-haul case, it reaches the same cycle count in

  • A.The same number of years
  • B.One sixth as many years
  • C.Twice as many years
  • D.Six times as many years

Answer: D

Correct answer: Six times as many years

The long-haul aircraft accumulates 300 cycles a year against the short-haul aircraft’s 1,800, so it takes six times as long to reach the same count. This is the reason a short-haul fleet flying identical airframes ages far faster in fatigue terms, and why cycle count rather than calendar age governs the inspection programme.

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