Manufacturing conformity statement is an important document that signed by applicant and submitted to administration for conformity inspection. In the stage of type certification, the applicant signed the conformity state-ment to show conform to the design date for the administration. The administration determines whether the product is in a condition for safe operation after conformity inspection. In the stage of production under type certificate, the ap-plicant signed the conformity statement to show conform to the design date and is in a condition for safe operation for the administration. The administration issue the airworthiness approval certificates after conducts the inspection and determine that. In the stage of obtaining the production approval, the applicant will obtain the airworthiness approval certificate without submit conformity statement . In this paper, compared with the requirements of airworthiness regu-lations among CAAC, FAA and EASA, the conformity statements in different stages are researched and discussed.%制造符合性声明是申请人签署后,提交局方进行制造符合性检查的重要文件。在型号研制阶段,申请人签署制造符合性声明,向局方表明符合设计资料,局方进行检查并确定是否安全可用;在依据型号合格证进行生产阶段,申请人签署制造符合性声明,向局方表明符合设计资料并处于安全可用状态,局方进行检查得到确认后签发适航批准证书;在获得生产批准后,申请人无需提交制造符合性声明,即可获得局方签发的适航批准证书。通过对中国民用航空局、美国联邦航空局和欧洲航空安全局适航规章的要求进行比较,对制造符合性声明在不同阶段的作用进行研究和探讨。
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