The HKT project is TIANji General Aviation HanKn Digital Platform Pass. The project was approved by Hong Kong General Aviation TECHNOLOGY HK TONGHANG TECHNOLOGY LIMITED, and operated by China Aviation Industry Corporation, Tianji General Aviation. China is a big country with the development of commercial digitization. At present, all domestic commercial systems have undergone digitization reform. In such a big environment, the rapid development of domestic general aviation cannot be achieved without the support of digitization. In addition, the platform is dedicated to creating the Aviation Block Chain Verification File system, which will use the bottom layer of the Block Chain to verify the reality of various maintenance and maintenance of spacecraft, thus ensuring the unified identification of internationalized spacecraft.