The first production Ivchenko AI-14 was qualified in 1947. Thousands have been built both for fixed wing and helicopter applications.
The AI-14 is still in production by the Vedeneyev design bureau (VMKB) as the M-14 making it the only radial engine still in production in the world (per Richard Goode Aerobatics' link below).

Zhuzhou (also spelt Quzhou) license built the AI-14 in China as the Huosai HS-6.

models

• AI-14RA: 260 hp (194 kW)
• HS-6A: 285 hp (212 kW)
• M-14PF: 400 hp (298 kW)

specifications

• Nine cylinder, air-cooled, radial engine
• Displacement: 620 cubic inches (10.2 litres)
• Bore x stroke: 105 x 130 mm

used by

• Nanchang CJ-6
• PZL 104 Wilga 35A
• Yakovlev Yak-50