As normal law, stick deflection to change nz, roll/yaw axes : Read online the law of prot and download the law of prot book full in pdf formats. Large number of inputs required to go to direct law which is unlikely.
Normal, alternate, abnormal alternate, and direct law. A319/a320/a321 alternate law flight mode as basic control laws : A flight control mode is a software algorithm that transforms.
The document describes the normal law flight control system of an airbus aircraft. In airbus aircraft, the control laws are devided into three:. Prot lost when l/g dn: The computer computes the flight modes to control the flight.
Ecam warning f/ctl direct law (prot lost) direct law gives a direct relationship between. Prot lost means alternate law in general, use the ecam sts page and displayed warnings to tell if protections are reduced or completely lost. Direct law so, the flight law switches to alternate law and this will further degrate. Risk of undue stall warn f/ctl prot altn law: