This book collects the selected paper presented at 2024 4th International Conference on Mechanical, Aerospace and Automotive Engineering, which is held in Beijing, China, on November 8–10, 2024. It features the latest breakthroughs and advancements in Aerospace Engineering. The scope of topics encompasses, but is not limited to Aerospace Manufacturing and Maintenance, Aerodynamics & Aeroelasticity, Applications of UAV, UAS and MAV, Flight System, Dynamics and Controls, Aerospace Propulsion, Mechanical and Automotive Engineering on Aerospace, among others. It provides valuable resource for researchers and practitioners in academia and industry