PPRuNe Forums - View Single Post - Secret Heathrow plan to set noise levels soaring

8th Nov 2004, 15:17

#27 (permalink)

tgdxb

Join Date: Sep 2004

Location: Belgium

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Hi -
can someone advise what a 57dB & 91dB levels correspond to?
I know noise is subjective but I am trying to get a feeling for these noise levels. Tx.