Could a catastrophe render helicopters unusable (any air vehicle)?

Is there some sort of catastrophe that could somehow mess up electric magnetic fields and make it so that helicopters, airplanes, and other air vehicles cannot actually fly properly? Scientifically, could that even happen? Just wondering. What about ground vehicles, like cars and motorcycles, I'm not sure... show more Is there some sort of catastrophe that could somehow mess up electric magnetic fields and make it so that helicopters, airplanes, and other air vehicles cannot actually fly properly?

Scientifically, could that even happen? Just wondering.

What about ground vehicles, like cars and motorcycles, I'm not sure how this would happen... but could it happen?
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