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The highest limit load factor experienced by a civil transport aircraft is in the range

  • A.0.0 - 2.0
  • B.2.0 - 5.0
  • C.5.0 - 8.0
  • D.8.0 - 10.0

Answer: B

The highest limit load factor of a civil transport lies in the range 2.0 - 5.0.

Airworthiness rules for transport aircraft set the positive limit manoeuvring load factor at about 2.5 for large airliners, rising to about 3.8 for lighter aircraft. These aircraft are not designed for violent manoeuvres, so their limit loads sit just above 2 and well below 5.

0.0 - 2.0 is too low, because steady level flight alone is 1 and even a modest turn or gust exceeds 2. 5.0 - 8.0 belongs to aerobatic aircraft, and 8.0 - 10.0 to combat aircraft, which are built for high-g manoeuvring.

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