WACO UPF-7 Sport Biplane 2-3 Seat Sport/Trainer Biplane, first built in 1937.The UPF-7 was the latest in Waco's fameous line of sport/traning biplanes. Also used by the Army Air Corps as the PT-14, with about 600 made. Many are still airworthy, and on the civil register of several countries...
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