Ivchenko AI-14
Zhuzhou Huosai HS-6

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.


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


  • 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