The Implementation Procedures for Airworthiness was signed by CAAC and FAA respectively on October 17, 2017 and September 28, 2017. It officially came into effect on October 17, 2017.

The treaty was developed in accordance with the Agreement between the Government of the People’s Republic of China and Government of the United States of America for Promotion of Aviation Safety, which enabled to realize comprehensive and equal mutual recognition of civil aviation products between the two countries, and the content of which covered airworthiness certification cooperation in design approval, production oversight, airworthiness approval for exports, and activities and technical support following the designs being approved. The signing of the agreement laid a foundation for in-depth and more extensive cooperation between the two authorities, and created a good bilateral environment for exchanges of civil aviation products and cooperation of industrial sectors of the two countries.