How many hydraulic systems support flight controls on the E-190, and what are their primary responsibilities?

How many hydraulic systems support flight controls on the E-190, and what are their primary responsibilities?

• A. One main hydraulic system powers all flight controls.
• B. Two main hydraulic systems power flight controls (ailerons, elevator, rudder) and other systems such as landing gear and brakes.
• C. Three independent hydraulic systems power separate subsystems including flight controls.
• D. Four hydraulic circuits power flight controls and wing flaps.

Answer: (B)