Yakovlev Yak-18A (USSR) ✈ Nanchang CJ-6 (China)

Yakovlev Yak-18A (USSR). First flight: 1956 (WIKI)

Nanchang CJ-6 (China). First flight: August 27, 1958 (WIKI)

The CJ-6 is an all-original Chinese design that is commonly mistaken for a Yak 18A. It`s predecessor, the Nanchang CJ-5, was a licence-built version of the Yak-18.
— Wikipedia