Kawasaki Heavy Industries

T-4

The Kawasaki T‑4 is a twin‑engine, subsonic jet trainer developed and produced by Kawasaki Heavy Industries for the Japan Air Self‑Defense Force (JASDF). Development began in 1981 to replace the aging Lockheed T‑33 and Fuji T‑1 trainers, and the first prototype flew on 29 January 1985. After rigorous flight testing, the T‑4 entered service in 1992 and has since become the primary advanced trainer for the JASDF, also serving in liaison and light attack roles.

Key features include a low‑wing monocoque airframe built largely of aluminium alloy, twin Ishikawajima‑Hirose TF40‑2 turbofan engines delivering 16 kN thrust each, and a digital fly‑by‑wire control system that provides handling characteristics similar to frontline fighters. The cockpit is equipped with modern glass displays, Hands‑On‑Throttle‑And‑Stick (HOTAS) controls, and can be easily reconfigured for weapons training, allowing integration of air‑to‑air missiles and precision‑guided bombs.

The T‑4’s significance lies in its contribution to Japan’s self‑reliant pilot training pipeline, reducing dependence on foreign trainers and supporting domestic aerospace technology. Its reliable performance and versatility have made it a cornerstone of Japanese military aviation for three decades. It also participates in joint exercises with allied air forces, showcasing Japan’s commitment to regional security.

Classification

Dimensions

Length
13 metre

Production & History

First Flight
1985

Design & Classification

Country of Origin
Manufacturer
Kawasaki Heavy Industries
Military Designation
T-4
Operator
Japan Air Self-Defense Force
Wikidata ID
Q1152474