The Aircraft Owners and Pilots Association, or AOPA, is a non-profit organization based in the United States that advocates for general aviation pilots and aircraft owners. Founded in 1939, AOPA provides resources, education, and support to its members, helping them navigate the complexities of flying and aircraft ownership. AOPA also works to promote safety in aviation and influence policies that affect general aviation. The organization offers various services, including flight training resources, insurance options, and access to a network of aviation professionals, making it a valuable resource for pilots and aviation enthusiasts alike.