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All of the following are elements of aircraft lightning protection EXCEPT

  • A.restricting flight to below the freezing level
  • B.a conducting path across the airframe skin
  • C.static discharge wicks at the trailing edges
  • D.conducting mesh embedded in composite panels

Answer: A

Correct answer: restricting flight to below the freezing level

Flying below the freezing level would neither avoid lightning - strikes occur there, and aircraft frequently trigger their own - nor be operationally possible. Protection instead accepts the strike and manages it: a continuous conducting path across the airframe so the current passes over the skin and out, conducting mesh in composite panels which are not naturally conductive, and static wicks to bleed off accumulated charge.

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