T-4 vs L-29 Delfin
The T-4 and the L-29 Delfin are both Military Training Aircraft, manufactured by Kawasaki and Aero respectively. Top speed is 1,038 km/h for the T-4 vs 655 km/h for the L-29 Delfin. The T-4 has an operational range of 1,668 km vs 894 km for the L-29 Delfin. The T-4 operates at altitudes up to 15,240 m compared to 11,500 m for the L-29 Delfin. At 7,500 kg MTOW, the T-4 is 2.1x the L-29 Delfin's 3,540 kg. The T-4 has been produced in 200 units vs 3,665 for the L-29 Delfin. The L-29 Delfin first flew 26 years before the T-4 (1959 vs 1985).
| Japanese training jet from the late 20th century, primarily used by the Japan Air Self-Defense Force for pilot instruction. | |
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| Origin country | 🇯🇵 Japan |
| Category | Military Training Aircraft |
| Manufacturer | Kawasaki |
| First flight | 29 July 1985 |
| Year introduced | 1988 |
| Number produced | 200 units |
| Average unit price | $-- million |
| Czechoslovakian jet trainer, utilized extensively during the Cold War, and exported broadly to Warsaw Pact and other nations. | |
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| Origin country | 🇨🇿 Czechia |
| Category | Military Training Aircraft |
| Manufacturer | Aero |
| First flight | 5 April 1959 |
| Year introduced | 1961 |
| Number produced | 3665 units |
| Average unit price | $0.2 million |
| Wing area | 21.0 m² ◉ |
| Wingspan | 9.9 m â—‰ |
| Height | 4.6 m â—‰ |
| Length | 13.0 m â—‰ |
| Maximum speed | 1038 km/h â—‰ |
| Operational range | 1,668 km â—‰ |
| Service ceiling | 15,240 m â—‰ |
| Max. takeoff weight | 7,500 kg â—‰ |
| Empty weight | 3,790 kg â—‰ |
| Total thrust | 2 x 1,597 kgf â—‰ |
| Wing area | 20.0 m² ◉ |
| Wingspan | 10.3 m â—‰ |
| Height | 3.1 m â—‰ |
| Length | 10.8 m â—‰ |
| Maximum speed | 655 km/h â—‰ |
| Operational range | 894 km â—‰ |
| Service ceiling | 11,500 m â—‰ |
| Max. takeoff weight | 3,540 kg â—‰ |
| Empty weight | 2,280 kg â—‰ |
| Total thrust | 1 x 890 kgf â—‰ |
Performance Radar Chart
Frequently Asked Questions
Which is faster, the T-4 or L-29 Delfin?
The T-4 is faster with a maximum speed of 1,038 km/h compared to the L-29 Delfin's 655 km/h, a difference of 383 km/h.
Which has longer range, the T-4 or L-29 Delfin?
The T-4 has a longer range at 1,668 km compared to the L-29 Delfin's 894 km.
Which can fly higher, the T-4 or L-29 Delfin?
The T-4 has a higher service ceiling at 15,240 meters (50,000 ft) compared to the L-29 Delfin's 11,500 meters (37,729 ft).
Which is heavier, the T-4 or L-29 Delfin?
The T-4 has a higher maximum takeoff weight at 7,500 kg compared to the L-29 Delfin's 3,540 kg.
Which is larger, the T-4 or L-29 Delfin?
The T-4 is longer at 13.0 meters compared to the L-29 Delfin's 10.8 meters.
Which entered service first, the T-4 or L-29 Delfin?
The L-29 Delfin entered service first in 1961, 27 years before the T-4 which entered service in 1988.
Which has been built in greater numbers, the T-4 or L-29 Delfin?
The L-29 Delfin has been produced in greater numbers with 3,665 units compared to 200 units of the T-4.