A 737 has three hydraulic systems, System "A" drives the primary flight controls and landing gear, system "B" drives the flaps and brakes and is the backup for system "A", system "C" is the backup for the rudder and flaps in the event "A" and "B" are inop. The ailerons and elevators are mechanically linked to the yoke using traditional cables and pulleys, the hydraulics simply augment the input forces so the flight crew doesn't have to work as hard. So, even if the lost all hydraulic fluid they would still have control using manual reversion in the control linkages (except rudder), also the undercarriage can be manually lowered.
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05/03/2025 alle ore 07:56
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