PPRuNe Forums - View Single Post - which hydraulic system is being used during normal operation on an airbus aircraft?
Old 29th Mar 2014, 03:09
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Una Due Tfc
 
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All three work in unison for redundancy (same with Boeing). Most flight controls have feeds from just 2 systems, the rudder and elevators being the exception. The RAT only powers the yellow system on the Airbus IIRC.

A380 only has 2 hydraulic systems btw
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