I have recently travelled on a UA 757 and a UA A320. I found that for reasond unknown, that the A320 was much quieter (in regards to cabin noise) than the 757. Now this may or may not have something to do with Stage 3 compliance, but I am assuming that this is not an issue. Does anybody have any data ( decibels ) to show how Boeing and Airbus planes stack up?
I know that cabin noise is of special concern on long haul flights, and especially to attract first class and business class business. Do airplane manufacturers offer special noise dampening packages? Can these be fitted in the higer classes only to avoid extra costs?
Now to the question of 744/777 families in noise vs. A330/A340. Since these 2 families compete for most long haul business does anybody know how their noise ratings compare?
Finally, in your personal experience which one is quieter - Airbus or Boeing? I personally fins that airbus is quieter, but I have never crossed an ocean on an Airbus before, only on 777 and 744. I think that after a few hours you get conditioned to the noise and it just gets blocked out. But nevertheless, what are your opinions? and also, how important would you rate cabin noise issues?
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