This course has excellent animations of the A 320 hydraulic systems. It includes the following descriptions: The components, indications, and operation of the Green/Yellow/Blue hydraulic systems; An in depth review of the associated systems such as the Power Transfer Units (PTU), Landing Gear Transfer Units, the standby hydraulic systems; and a review of the indications and controls of the hydraulic systems to include non-normal operations. Courses are constantly monitored and updated when major changes in authority documentation is released.