Beechcraft T-34 Mentor, the plane in which two Kings of Spain learned to fly: https://www.outono.net/elentir/2025/06/16/beechcraft-t-34-mentor-the-plane-in-which-two-kings-of-spain-learned-to-fly/ Between 1958 and 1988, the Spanish Air Force operated 25 units of this small, American-made training aircraft.