Flight instruction is the process of teaching individuals how to operate an aircraft safely and effectively. It typically involves both ground school, where students learn about aviation theory, regulations, and aircraft systems, and flight training, where they practice flying under the guidance of a certified instructor. Instructors often use a combination of classroom lessons and hands-on experience to prepare students for obtaining their pilot licenses. Training can vary in duration and complexity, depending on the type of license sought, such as a private pilot license or a commercial pilot license.