针对民用航空器型号合格审定（TC）工作面临的问题，分析了取证过程的适航知识要素并提出了取证业务的优化模型。将TC取证业务所涉及的知识按照知识领域划分类别，分别从审定支撑、审定流程和审定对象3个层次建立优化模型；分析各知识层的相互联系，建立TC取证过程的系统模型并描述其运行机制；以该模型为指导构建了型号合格取证管理系统，验证了模型的可行性。%To solve the problem occurred in the type certification for civil aircraft, based on the analysis of the airworthiness knowledge element in type certiifca-tion (TC) process, an optimized type certiifcation model is proposed. The TC-related knowledge is assorted according to knowledge field, then the optimized models are built for certification support, certification flow and certifica-tion object separately. The relationship of the proposed knowledge layers is analyzed, build a general model of TC process is built and its operating mechanism is described. A Type certiifcation information system is developed and the feasibility and correctness of the proposed models is veriifed.
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