Tsybin Ts-25
…modified with 25 passenger seats for evaluation for potential civilian use on routes including Moscow, Gorki, and Novosibirsk. Two were supplied to the Czechoslovak Air Force in 1952 and given the designation NK-25; the Yakovlev Yak-14 was preferred by the Czechs. In 1950 two Ts-25s, towed by Ilyushin Il-12 transports, were…