Group 1 - The U.S. government has lifted the ban on the sale of jet engine parts and technology to Chinese buyers, which is expected to boost China's domestic aircraft production and expand its international market presence [1] - The agreement allows COMAC to import parts from a joint venture invested by General Electric, specifically for the C919 and C909 aircraft, facilitating the fulfillment of hundreds of narrow-body C919 orders [1] - The recovery of engine supply is crucial for COMAC, as the C919 and C909 rely heavily on General Electric's engines [1] Group 2 - Despite the dependency on U.S. companies, General Electric also relies on the Chinese market, with 28% of its aviation business revenue coming from China [2] - General Electric has placed an order for 20 C919 aircraft, indicating its investment in the Chinese aviation market [2] - China is pursuing the long-term strategic goal of developing its own backup engine, the CJ-1000, which is not directly influenced by changes in U.S. trade policy [2] - The first C919 aircraft entered commercial operation in 2023, and COMAC is seeking certification from the European Union Aviation Safety Agency, which would enhance global recognition of the C919 [2]

Core Viewpoint - The Russian "MC-21" medium-range passenger aircraft equipped with domestic avionics, power supply, and air conditioning systems has successfully completed its first flight, marking the beginning of factory adjustment tests [1][3]. Group 1: Aircraft Specifications and Development - The "MC-21" is a next-generation medium-range aircraft capable of carrying 163 to 211 passengers, with a range of 4,500 kilometers, covering almost all domestic routes in Russia [4]. - The aircraft is assembled at the Irkutsk Aircraft Manufacturing Plant and aims to replace Boeing and Airbus in the Russian market, featuring advanced aerodynamics and next-generation onboard systems [4]. - The current version of the "MC-21" has replaced approximately 80 foreign systems and components to mitigate the impact of sanctions and foreign suppliers [4]. Group 2: Testing and Production Plans - The "MC-21" is scheduled for mass production in 2026, with certification tests expected to be completed by 2025 [6]. - The aircraft's first flight lasted 1 hour and 15 minutes, reaching a speed of 580 km/h and an altitude of 3,000 meters, with all systems functioning normally [1][6]. - The testing program will include numerous flights under various conditions to ensure the aircraft's performance and reliability [7]. Group 3: Engine Development - The "PD-8" engine, used in the aircraft, has successfully completed its tenth flight, demonstrating stable performance at high altitudes and speeds [6][7]. - The development of a complete series of domestic aircraft engines is underway, including the "PD-35," which may be used for future aircraft models [7].