This book consists of selected peer-reviewed papers from the 2nd International Seminar on Aeronautics and Energy (ISAE 2022) focusing on the theme to revive the aviation industry post-COVID-19 pandemic. The topics discussed in this book include aircraft design and optimization, computational fluid dynamics (CFD) simulation and experimental aerodynamics, aircraft structure and aeroelasticity, guidance control and navigation, aircraft manufacturing and health monitoring avionics and system integration of UAV/drones, SITL AND HITL application on drones, rockets and missile, industrial wind engineering, green fuel and aviation sustainability, and aviation management. This book is a valuable resource for academicians and industry players in the field of aviation and sustainability.