低空经济系列（九）：通航动力产业深度：国产替代，道阻且长

Investment Rating - The report indicates a clear investment value in the aviation engine industry, emphasizing the importance of domestic substitution despite the challenges ahead [4][10]. Core Insights - The aviation engine sector is crucial for a country's technological, industrial, and defense capabilities, with significant investment potential despite the long road to domestic substitution [4][10]. - The global general aviation engine market is projected to grow from approximately $5.66 billion in 2025 to $8.71 billion by 2034, with a CAGR of 4.9% [4][17]. - The U.S. dominates the global market with a 28% share, while China holds a significant position in the Asia-Pacific region with a 9% share, primarily driven by flight training needs [4][30]. Summary by Sections 1. Global Aviation Power Industry Development - The aviation engine industry has evolved from piston engines to turbine engines, reflecting advancements in materials science, thermodynamics, fluid mechanics, and control technologies [14]. - The market is primarily composed of turboprop, turbofan, turboshaft, and piston engines, each suited for different aircraft types [20]. 2. Competitive Landscape - Major players in the aviation engine market include GE Aviation, Pratt & Whitney, Rolls-Royce, and Safran, which have established significant barriers to entry through technology, market, and policy advantages [38][40]. - The domestic aviation engine industry is supported by national policies aimed at breaking through existing barriers and enhancing competitiveness [52]. 3. Market Trends and Investment Opportunities - The report identifies a transition phase for the aviation engine sector in China, where leading companies are moving from military to civilian applications, while smaller firms focus on high-power and hybrid propulsion technologies [5]. - The report highlights the need for breakthroughs in high-end materials, manufacturing equipment, and control systems to enhance domestic production capabilities [2][5]. 4. Engine Types and Market Share - In the piston engine segment, major manufacturers include Lycoming, Continental, and Rotax, with the global market size estimated at $570 million in 2025 [54]. - The turboprop engine market is led by Pratt & Whitney Canada with the PT6 series, which has a significant share in both military and civilian applications [61]. 5. Domestic Substitution Challenges - Key challenges for domestic substitution in the aviation engine industry include high-end material production, manufacturing equipment reliance on imports, and stringent airworthiness certification barriers [2][4].