Originally Posted by
Amish Pilot
2 Eng Hyd Pumps, 1 Elec Hyd Pump & a RAT. It's been a few years, but I believe that is the set up. Also the Elec pump drives everyone crazy in the main cabin when it is turned on. Maybe a current 320 guy can chime in on the set up. Also the the F/A call buzz is the loudest of any airplane.
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Is that the electric hydraulic pump I hear in the cabin of the 320, I thought it was the PTU. It is loud to the point of actually deserving a PA (seriously).