Kawanishi K-11

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Role Single-seat carrier fighter
National origin Japan
Manufacturer Kawanishi Aircraft Company
First flight 1927
Number built 2

The Kawanishi K-11 was a 1920s Japanese single-seat carrier fighter designed and built by the Kawanishi Aircraft Company to meet an Imperial Japanese Navy requirement.[1] The type did not enter service and only two prototypes were built.

Development and design[edit]

The K-11 was a private venture programme designed to meet a 1926 Imperial Japanese Navy requirement for a single-seat carrier fighter to replace the Mitsubishi 1MF, competing against officially sponsored designs from Aichi (the Aichi Type H), Mitsubishi (the 1MF9) and Nakajima.[1][2][3] The K-11 Experimental Carrier Fighter was an equal-span biplane with a conventional landing gear and powered by 500 hp (373 kW) BMW inline engine.[1] It had a metal fuselage with fabric covering and wooden wings.[2]

The first prototype made its maiden flight in July 1927, with a second prototype, with a modified fuselage and tail, being built in 1928. The type was not accepted by the Navy, however, with the Nakajima design being selected, entering production as the A1N. The two K-11s were used by Kawanishi as communications and liaison aircraft.[1][2]


Data from Japanese Aircraft 1910–1941[2]

General characteristics

  • Crew: 1
  • Length: 7.88 m (25 ft 10 in)
  • Wingspan: 10.80 m (35 ft 5 in)
  • Height: 3.28 m (10 ft 9 in)
  • Wing area: 33.8 m2 (364 sq ft)
  • Empty weight: 1,170 kg (2,579 lb)
  • Gross weight: 1,750 kg (3,858 lb)
  • Powerplant: 1 × BMW VI water-cooled V12 engine, 370 kW (500 hp)


  • Maximum speed: 259 km/h; 161 mph (140 kn)
  • Endurance: 3.5 hours
  • Service ceiling: 9,000 m (30,000 ft)
  • Time to altitude: 3,000 m (9,800 ft) in 5 min 30 s


  • Guns: 2× 7.7mm machine guns

See also[edit]

Aircraft of comparable role, configuration and era


  1. ^ a b c d Orbis 1985, p. 2236
  2. ^ a b c d Mikesh and Abe 1990, pp. 133–134.
  3. ^ Mikesh and Abe 1990, pp. 65, 165, 224.