This course provides an overview of commercial and aviation legal frameworks relevant to aircraft operations and maintenance. It covers international conventions, regulatory requirements, and the roles of key aviation authorities such as the International Civil Aviation Organization (ICAO) and the European Union Aviation Safety Agency (EASA). Students examine legal aspects of airworthiness, certification, liability, contracts, and airline operations. The course also emphasizes regulatory compliance in maintenance activities, including licensing requirements, organizational approvals, and documentation standards. Through practical examples, students develop an understanding of legal responsibilities and safe practices in accordance with EASA Part- 66 Module 7.