PPRuNe Forums - View Single Post - Cockpit Noise Level A320

14th May 2006, 06:41

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Airbus_a321

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Quote:

Originally Posted by Dani

Does someone know what is the noise you hear on descent around 5000 ft, sounds like opening some cabin press valve. Nobody ever could answer me that question.
Dani

AVNCS VENT SYS