Military Factory logo

Tachikawa Ki-9 Biplane Trainer Aircraft

The Tachikawa Ki-9 military trainer survived World War 2 through 2,618 examples.

 Updated: 12/4/2014; Authored By Staff Writer; Content ¬©

There are currently no development or operational history details available for the Tachikawa Ki-9 Biplane Trainer Aircraft. Rest assured that we are hard at work on adding more information to the Military Factory database so please check back at another time.

Each entry goes through a lengthy research process that produces the final write up. The write up is then complemented by appropriate imagery for the associated text through a lengthy picture hunting process. Statistics are then verified before the entry is completed in our database and posted for review.

For the interim, please consider busying yourself with another section on

Tachikawa Ki-9 Technical Specifications

Service Year: 1935
Type: Biplane Trainer Aircraft
National Origin: Imperial Japan
Manufacturer(s): Tachikawa - Imperial Japan
Production Total: 2,618

Structural (Crew Space, Dimensions and Weights)

Operating Crew (Typical): 2
Overall Length: 25.92 feet (7.9 meters)
Overall Width: 33.86 feet (10.32 meters)
Overall Height: 10.17 feet (3.10 meters)

Weight (Empty): 2,469 lb (1,120 kg)
Weight (MTOW): 3,483 lb (1,580 kg)

Installed Power and Standard Day Performance

Propulsion: 1 x Hitachi Ha-13a radial piston engine developing 350 horsepower.

Maximum Speed: 149 mph (240 kph; 130 knots)
Service Ceiling: 19,029 feet (5,800 meters; 3.60 miles)

Armament / Mission Payload


Global Operators / Customers

China; Imperial Japan; Indonesia; South Korea; Taiwan; Thailand

Model Variants (Including Prototypes)

Ki-9 - Base Series Designation