This book presents peer-reviewed papers from the 2025 Asia-Pacific International Symposium on Aerospace Technology (APISAT 2025) held at Seoul Olympic Parktel, South Korea, 2025. It treats the recent advances in aeronautical and space engineering. The subtopics of this book are aerodynamics and design, dynamics/control/aviation, structures and materials, combustion and propulsion, space science and applications, and system engineering. This book is a good reference for researchers and professional working in the area of aerospace engineering.