Core Viewpoint - The successful launch of the C909 aircraft marks a significant milestone in China's aviation industry, demonstrating the country's capability to develop and operate domestically produced commercial jets, thereby enhancing its position in the global aviation market [2][4]. Group 1: C909 Aircraft Development and Operations - The C909 aircraft, developed by China Commercial Aircraft Corporation (COMAC), is China's first domestically produced regional jet that meets international airworthiness standards, with its first flight occurring on June 28, 2016 [2]. - As of now, a total of 166 C909 aircraft have been delivered, operating over 700 routes and transporting more than 24 million passengers [2]. - The C909 has expanded its operational network significantly, with 22 aircraft currently operating in Xinjiang, opening over 120 routes and connecting 26 airports [3]. Group 2: Technological Advancements and Achievements - The C909 has successfully integrated advanced technologies, including supercritical wing design and turbofan engine layout, achieving subsonic flight without shock wave resistance [4]. - The aircraft has undergone continuous improvements, with thousands of design optimizations enhancing its performance and adaptability to various operating environments, including high-altitude routes [5]. Group 3: International Expansion and Market Contribution - The C909 has made strides in international markets, with its first international route launched in October 2019, connecting Harbin to Vladivostok, and further expanding to Central Asia in June 2024 [5][6]. - The aircraft has been successfully operated by foreign airlines, including in Indonesia and Vietnam, with a total of 7 C909 aircraft currently in operation across Southeast Asia, serving 15 routes and transporting over 370,000 passengers [7]. Group 4: Series Development and Future Prospects - The C909 has diversified into multiple variants, including cargo, emergency rescue, medical, and business aircraft, to meet various market demands [8]. - The aircraft is also exploring sustainable aviation fuel (SAF) applications, with the capability to operate with up to 50% SAF blend, aligning with global trends towards green and low-carbon aviation [9].