Research on DO-178C Based Airworthiness Technology for Extraneous Code and Deactivated Code
At present,the quantity of certification projects for self-developed civil airborne equipment in our country has seen a significant increase,with a focus on advancing the function criticality towards high levels.The software involved in these projects often incorporates non-self-developed software modules such as open-source code,library functions,and low-level drivers.Consequently,when attempting to meet the structural coverage requirements defined in DO-178C,inaccuracies in code type determination have led to issues with airworthiness certification.Firstly,by elucidating the theoretical core points of the DO-178C,a code type determination process was proposed.Then,successful domestic and international airworthiness experiences were summarized,the determination process was applied to different projects,and practical recommendations were provided taking into account airworthiness concerns,aiming to offer reference and convenience for subsequent projects.
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