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... ight attendant said to me gently.
I asked confusedly, "Why can’t we use phones on the plane?"
"Because planes in the sky fly along designated routes, and the entire flight must be directed by ground aviation management personnel. In the sky, the pilot flies the plane while communicating with the ground using the aircraft’s communication and navigation equipment. The navigation equipment on the plane uses radio waves for directional guidance, receiving electromagnetic waves emitte ...
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