This book contains the selected papers from the 7th China Aeronautical Science and Technology Conference. Topics include, but are not limited to: key technologies for aircraft (including fixed-wing, rotorcraft, new concept aircraft, etc.) design and overall optimization; aerodynamics; flight mechanics; structural design; advanced aviation materials (including composite materials); advanced aviation manufacturing; and design and overall optimisation; aerodynamics and flight mechanics; structural design; advanced aeronautical materials (including composite materials); advanced aeronautical manufacturing technology; advanced aeronautical propulsion technology; navigation, guidance and control technology; airborne systems, electromechanical technology; environmental control, life-saving technology; key technologies for multi-electric aircraft and all-electric aircraft; aviation testing technology; critical technologies in the vicinity of space vehicles; unmanned aerial vehicles and related technologies; general aviation flight safety, civil aviation transportation and air quality; aviation science and technology and industrial development policy and planning; other related technologies. Make this book a valuable resource for researchers, engineers and students.