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        The Yakovlev Yak-50 is a single-seater aerobatic low wing monoplane with  retractable landing gear with tail 
        wheel. Development of the Yakovlev Yak-50 started in 1972 based on the single-seat Yak-18PS. The Yakolev 50 
        was designed by the Yakovlev Design Bureau. The first of two prototypes built was flown first in 1972. After 
        a series of modifications and a considerable amount of testing the Yak-50 was put into production at Arsenyiev 
        in the Russian Federation as a duraluminium skinned semi monocoque airframe and deliveries started early 1975. The 
        Yak-50 proved its aerobatic versatility and worth at the 8th World Aerobatic Championships in 1976. Yak-50's 
        ended first, second and third in the men’s championships, took the top five places in the women’s competition 
        and the overall men’s and women’s team prizes. The Jak-50 airplane is equipped with a 360 hp Ivchenko Vedeneyev 
        M-14P nine cylinder, air-cooled radial piston engine. When production ended in 1985 a total of 312 were built, 
        of which the vast majority were for the Russian DOSAAF Clubs. With the introduction of the Yak-55, Moscow 
        instructed all DOSAAF Clubs to scrap the Yak–50s and return the logbooks to Moscow, with the result that there 
        are less than sixty Yak-50s left in the world.The ICAO Aircraft Type Designator for the Yakovlev Yak-50 is YK50.
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