Hydraulic System

Not in operation

Normal operation

Green System Leak (not available any more!)

Loosing Airbrake, Auxbrakes, Nose wheel Stering, Landing Gear ext., Lift Spoilers aux., Flaps moving half speed

no green brakeing system, Rudder, no Stby Gen... PTU does not take over, Hyd - Fluid is leaking

Green System EDP (Engine driven pump) failure

PTU takes over, Green System low Pressure 2600Psi, Stby Gen not available

Yellow System EDP (Engine driven pump) failure

AC Pump takes over

Yellow System EDP (Engine driven pump) failure

Loss of both ESP's, no AC-Power, DC Pump on Batterie power