When you stand next to a train track yes à train is noisy. But a plane will cover literally a whole town with its noise. Very different. I was just in Frankfur

When you stand next to a train track yes à train is noisy. But a plane will cover literally a whole town with its noise. Very different. I was just in Frankfurt yesterday and the noise is substantial, in the residential neighbourhood I visited it was the main source of noise during the day.