Originally Posted by
danielonn
I swear the first time when I flew on an Airbus 320 I could swear there were puppies that lived permanently in the belly hold. They started to bark as soon as we pushed back on the runway as if they were scared.
So if its scary for people then it must be scary for those poor dogs holding residence down there.
This is what I mean
http://www.youtube.com/watch?v=grd5eJjJcL4
You've got to be kidding, aren't you?
I watched the video. That is the sound of the Hydraulic Power Transfer Unit on testing during engine startup or push back on all A320 aircraft. The sounds happen again when the plane prepares for arrival or when engines shutdown at arrival.