Research on airworthiness verification technology of handling quality after control surface malfunction MOC8 test of civil aircraft

In order to verify the airworthiness of handling quality after control surface malfunction MOC8 test in civil aircraft, a detailed analysis is conducted on the airworthiness clause CCAR25.671(c). The fidelity requirement of the engineering simulator for handling quality after control surface malfunction MOC8 test is examined, and a proposed method for evaluating the fidelity of the engineering simulator is presented. Additionally, a detailed explanation is provided on the evaluation method for control quality grade. A verification scheme and process are designed for conducting handling quality after control surface malfunction MOC8 test. Finally, an example involving the loss of elevator pitch control is used to demonstrate that these research findings have been successfully applied in engineering practice.