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composites aren't very good when it comes to lightning strikes. there was this helicopter going over to the oil rig carrying employees where they encountered a lightning strike which basically shattered the tail rotor blades. it was found that composites aren't very conductive.
the solution boeing used on their composite aircraft, the 787, was to sandwich a wired conductive meshing in between the layers of carbon fiber reinforced plastic (CFRP)
now this may have been a once in a million chance that the lightning knocked out the FBW on board which controls the aircraft therefore losing total control and eventually crashing
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