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BerniceSparks posted a topic in General Discussions and LoungeThe purpose of the Airworthiness Certification Center is to ensure the safety of civil aviation and to safeguard the public interest. The certification center is based on the Rubber V Belt Regulations of the People's Republic of China on the Administration of Airworthiness of Civil Aircraft, the Regulations of China Civil Aviation, the Airworthiness Management Procedures, the Airworthiness Directives, the Airworthiness Notice and the Technical Standards, Check for qualified installation. V Belt is based on "V Belt technical standards" and "V Belt minimum performance requirements", through airworthiness validation, only installed on the plane. Its own quality is guaranteed. Airworthiness is suitable for flight. Each pair of V Belts are produced under the supervision of the quality control system established by the manufacturer. The quality control system must ensure that each pair of V Belts conforms to the requirements of the civil aviation technical standards. Airworthiness departments to carry out the necessary follow-up inspection, and finally through the approval permission installed. V Belt performance requirements are summarized as follows: 1) The rated strength of the V Belt assembly V Belt assemblies used in single seat seats, including webbing, release devices, and other components, are capable of bearing at least 6672 cattle load in the V Belt in accordance with the specified test requirements. If the V Belt assembly is used on a double seat, the rated strength shall be at least 13,344 cattle. The rated strength of the V Belt assembly is correspondingly marked on every half of the belt of each pair of V Belt assemblies. 2) V Belt release device The V Belt assembly is adjustable and has an easy-to-operate quick release device. After the V Belt China is subjected to at least a predetermined tensile load, the V Belt user can easily open the release means.