The Yakovlev Yak-17 was a Soviet single-seater fighter aircraft probably initially developed as a two-seater trainer, and first flown in 1947 and based upon the earlier Yak-15. The Yakovlev Yak-17 was powered by a RD-10A (Junkers Jumo 004 A) turbojet providing a top speed of 830 kmh and a range of 740 km. Armaments consisted of two 23 mm cannons. Research YAK-17
The Yakovlev Yak-23 ('Flora') was a Soviet single-seater fighter aircraft produced in 1947 as a significant improvement on the earlier Yak-17 and Yak-15 fighters, and was the first Soviet fighter aircraft to be fitted with an ejector seat. The Yakovlev Yak-23 was a mid-wing cantilever monoplane of metal construction powered by an RD-500 (license-built Rolls-RoyceDerwent V) turbojet providing a top speed of 950 kmh and a range of 1200 km. Armaments consisted of two 23 mm cannons. Research YAK-23
 
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