Military Wiki
Tokyo Koku Ki-107
Role Monoplane trainer
National origin Japan
Manufacturer Tokyo Koku
First flight October 1943
Primary user Imperial Japanese Army Air Force
Number built 29+

The Tokyo Koku Ki-107 was a Japanese military training aircraft for the Imperial Japanese Army Air Force.[1] The Ki-107 was a wooden-built low-wing two-seat monoplane with an open cockpit.[1] Powered by a Hitachi Hatsukaze Ha-47 (Ha-11) inline piston engine it first flew in October 1943.[1] The Japanese Army had ordered 450 as primary trainers as replacement for the Kokusai Ki-86[2] (a license built Bücker Bü 131 that used the same Ha-47 engine), but production was held up by air raids and only 29 had been delivered by the end of the war.[1]




Data from The Illustrated Encyclopedia of Aircraft;[1] Japanese Aircraft of the Pacific War[2]

General characteristics

  • Crew: 2 (Teacher and student pilot)
  • Length: 8.05 m (26 ft 5 in)
  • Wingspan: 10.02 m (32 ft 10 in)
  • Gross weight: 829 kg (1,828 lb)
  • Powerplant: 1 × Hitachi Hatsukaze Ha-47 (Ha-11) (a license-built Hirth HM 504) 4-cylinder inline piston engine, 82 kW (110 hp)


  • Maximum speed: 197 km/h (122 mph; 106 kn)


  1. 1.0 1.1 1.2 1.3 1.4 Orbis 1985, p. 3013.
  2. 2.0 2.1 Francillon 1979, p. 488.
  • Francillon, Ph.D., René J. Japanese Aircraft of the Pacific War. London: Putnam & Company Ltd., 1970 (2nd edition 1979). ISBN 0-370-30251-6.
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing. 

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