Since 1939, AOPA has protected the freedom to fly by creating an environment that gives people of all ages the opportunity to enjoy aviation and all it has to offer. AOPA is the world's largest community of pilots, aircraft owners and aviation enthusiasts with representatives based in Frederick, Md., Washington, D.C., and seven regions across the United States. The association provides member services including advocacy at the federal, state, and local levels, legal services, flight training, and safety programs, and award-winning media. AOPA specializes in making aviation more accessible to everyone.