Kawasaki KAT-1
| Company type | Aircraft |
|---|---|
| Industry | Aerospace |
| Founded | mid-1950s |
| Headquarters | Japan |
| Products | Primary training aircraft |
The Kawasaki KAT-1 is a Japanese two-seat primary training aircraft arranged in tandem, developed during the mid-1950s to vie for a contract from the Japanese Air Defense Force (JADF). Production was limited to just two examples.
Design and development
Conceived as a basic trainer for the JADF, the KAT-1 was designed to compete against the Fuji-manufactured, US-originated Beech Model 45 Mentor. It shares numerous design elements and components with Kawasaki's KAL-2, but the key distinction lies in seating configuration: the KAL-2 features a spacious cabin accommodating five occupants, whereas the KAT-1 provides tandem seating for two beneath a narrower canopy.
The aircraft is a cantilever low-wing monoplane, equipped with trapezoidal wings ending in blunt tips. These wings incorporate two metal spars and are covered with stressed aluminium skin. Positioned inward of the fabric-covered, mass-balanced ailerons are hydraulically actuated split flaps. The horizontal stabilizer exhibits straight tapering with blunt ends, while the vertical fin and rudder possess rounded contours complemented by an extended dorsal fillet reaching back to the cockpit area. Rear control surfaces are constructed with alloy frames covered in fabric; both rudder and elevator are balanced both statically and aerodynamically and include trim tabs.
Its fuselage utilizes a stressed skin semi-monocoque aluminium structure that houses a 240 hp (179 kW) Lycoming GO-435 flat-six engine, which powers a two-blade variable-pitch propeller. The tandem cockpits for student and instructor are equipped with dual flight controls beneath sliding canopy sections. Landing gear consists of retractable tricycle units featuring oleo-pneumatic shock absorbers and hydraulic braking systems.
Operational history
Although two prototypes were completed and flown, the JADF ultimately selected the Beech Mentor as its primary training aircraft. The initial prototype was utilized by the Japan Ground Self-Defense Force during its service life.
Aircraft on display
- Kakamigahara Aerospace Museum: First prototype designated JA3084