Kawazaki Ki-9 Hagetaka

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Ki-9 Hagetaka
YIAF Ki-9 Hagetaka during Ex. Western Wind 2019
Role Stealth air superiority fighter
National origin  Yamatai
Manufacturer Kawazaki
First flight 29 January 2010
Introduction 2019
Status In service
Primary user Yamatai Imperial Air Force
Produced 2010–present
Number built 8
Program cost 16–20 billion En
Unit cost
円 100 million

The Kawazaki Ki-9 Hagetaka is a Yamataian stealth, single-seat, twin-engine fifth-generation jet fighter manufactured by Kawazaki for the Yamatai Imperial Air Force. The Ki-9 was designed and developed over a 20 year period from 1999 to 2019, with the Imperial Air Force taking delivery of the first five production fighters in December 2018.[1]

The Ki-9 is designed towards an air superiority role, and has supercruise, supermaneuverability, stealth, and advanced avionics to overcome the prior generation fighter aircraft as well as ground and naval defences. The Imperial Air Force is reportedly studying the feasibility of a multirole or strike variant.


Data from Kaizuka [2]

General characteristics

  • Crew: 1
  • Length: 18.50 m
  • Wingspan: 13.77 m
  • Height: 5.01 m
  • Empty weight: 11,876 kg
  • Loaded weight: 14,970 kg
  • Max. takeoff weight: 24,660 kg


  • Maximum speed: Mach 2.0 at altitude
    • Supercruise: Mach 1.6
  • Ferry range: 3,500 km subsonic
    • 1,500 km supersonic, 4,500 km from 2 outboard fuel tank
  • Service ceiling: 18,800 m



  1. "Imperial Air Force Receives New Fighter". SAAZBAUM. 14 December 2018. Retrieved 4 January 2019. 
  2. "Kaizuka World Aircraft 2019". Kaizuka World Aircraft. 28 December 2018. Retrieved 10 January 2019.