How does flights get the neutral(grounding)

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How does flights get the neutral(grounding)..

Answer / saud zafar usmani

The purpose of ground is to provide a sink for the current.
At ground level, digging a hole in the earth and burrying a
conductor provides the ground.

In flights the body of the aircraft itself is a big sink
for currents. In flights the connection from aircraft body
itself provides the neutral (grounding)

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