In 1990 the Department of Aerospace Engineering of The Pennsylvania State University began offering an undergraduate course focusing on "hands-on" design and fabrication. Two decades later that course has become an established example of the benefits of projectcentered learning. The basic structure of the class has remained relatively unchanged, with students generally enrolling as freshman and remaining in the class until they graduate. While in the class, the students work on projects in both laboratory and design groups. These projects have historically focused on the design and fabrication of composite sailplanes, but efforts recently shifted to an entry into the Human-Powered Aircraft Kremer Competition, administrated by the Royal Aeronautical Society of Great Britain. In addition, for the past several years, a subgroup of the class has competed in the AIAA Student Design/Build/Fly (DBF) competition. Throughout the history of this course, students have experienced a deeper understanding in the theoretical constructs of aerospace engineering, developed leadership and teamwork skills, and gained invaluable hands-on experience.