Aeroelasticity is a field of study that explores the complex interaction between aerodynamics and elasticity in multiple engineering applications. It involves analyzing the dynamic behavior and response of structures subjected to airflow and pressure changes. This article provides an overview of the fundamental principles of aeroelasticity, including the different types of aeroelastic phenomena and their effects on different aircraft systems. Additionally, it discusses the applications and challenges of aeroelasticity in modern aircraft design and engineering.