Tachikawa Ki-36

The Tachikawa Ki-36 (named Ida in Allied reporting code) is a Japanese army cooperation aircraft of World War II. It was a two-seat, low-wing monoplane with a single piston-engine and a fixed, tailwheel-type undercarriage.

Tachikawa Ki-36
Class Aircraft
Type Utility
Manufacturer Tachikawa Aircraft Company Ltd
Production Period 1938 - 1944
Origin Japan
Country Name Origin Year
Japan 1938
Country Name Operational Year Retirement Year
Japan View
Thailand (Siam) View
ManufacturerName Production From Production To Quantity
Tachikawa Aircraft Company Ltd 1938 1944 1334 View

The prototype, fitted with a 450 hp (336 kW) Hitachi Army Type 98 Ha-13 engine, first flew on 20 April 1938. Having outperformed the Mitsubishi Ki-35 in comparative trials, the Ki-36 was designated the Army Type 98 Direct Co-operation Aircraft and ordered into production in November 1938. Production ended in January 1944 after a total of 1,334 Ki-36 had been built (Tachikawa 862 and Kawasaki 472).

The Ki-36 first saw action in China where it saw success. Later, in the Pacific, it proved excessively vulnerable to opposing fighters. It was thereafter redeployed to the safer theater of China. Towards the end of the war, the Ki-36 was employed as a kamikaze aircraft with a bomb of 500-kg (1,102-lb) fitted externally.

Role Two-seat Army Co-operation Aircraft
Manufacturer Tachikawa Aircraft Company Ltd
First flight 20 April 1938
Primary users Imperial Japanese Army Air Force
Royal Thai Air Force
Produced 1938 - 1944
Number built 1334
Variants Tachikawa Ki-55

General characteristics

  • Crew: 2
  • Length: 8.00m (25ft 3in)
  • Wingspan: 11.80m (38ft 8.5in)
  • Height: 3.64m (11ft 11.25in)
  • Wing area: 20m² (215.29ft²)
  • Empty weight: 1,247kg (2,749lb)
  • Loaded weight: 1,660kg (3,660lb)
  • Powerplant: 1 × Hitachi Army Type 98 Ha-13a nine cylinder air-cooled radial engine, 380kW (510hp)


  • Maximum speed: 348km/h (216mph)
  • Cruise speed: 235km/h (146mph)
  • Range: 1,235km (767mi)
  • Service ceiling: 8,150m (26,740ft)
  • Wing loading: 83kg/m² (17lb/ft²)
  • Power/mass: 0.23kW/kg (0.31hp/kg; 0.14hp/lb)
  • Time to 3000m (9,845ft): 6min 39sec


  • one fixed, forward-firing 7.7mm (0.303in) machine-gun , one flexible 7.7mm (0.303in) machine-gun in rear cockpit.
  • up to 150kg (331lb) external bombload.

End notes