L-29 Delfin vs T-67 Firefly
The L-29 Delfin and the T-67 Firefly are both Military Training Aircraft, manufactured by Aero and Slingsby respectively. The L-29 Delfin reaches 655 km/h — 2.3x the T-67 Firefly's 282 km/h. The L-29 Delfin has an operational range of 894 km vs 753 km for the T-67 Firefly. The L-29 Delfin operates at altitudes up to 11,500 m compared to 5,791 m for the T-67 Firefly. At 3,540 kg MTOW, the L-29 Delfin is 3.1x the T-67 Firefly's 1,157 kg. The L-29 Delfin has been produced in 3,665 units vs 250 for the T-67 Firefly. Unit cost is $0.2M for the L-29 Delfin vs $0.5M for the T-67 Firefly. The L-29 Delfin first flew 15 years before the T-67 Firefly (1959 vs 1974).
| 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 |
| British aerobatic aircraft, renowned in the 1980s, used extensively for military training worldwide. | |
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| Origin country | 🇬🇧 United Kingdom |
| Category | Military Training Aircraft |
| Manufacturer | Slingsby |
| First flight | 12 March 1974 |
| Year introduced | 1974 |
| Number produced | 250 units |
| Average unit price | $0.5 million |
| Wing area | 20.0 m² ◉ |
| Wingspan | 10.3 m ◉ |
| Height | 3.1 m ◉ |
| Length | 10.8 m ◉ |
| Maximum speed | 655 km/h ◉ |
| Operational range | 894 km ◉ |
| Service ceiling | 11,500 m ◉ |
| Max. takeoff weight | 3,540 kg ◉ |
| Empty weight | 2,280 kg ◉ |
| Total thrust | 1 x 890 kgf ◉ |
| Wing area | 13.0 m² ◉ |
| Wingspan | 10.7 m ◉ |
| Height | 2.4 m ◉ |
| Length | 7.6 m ◉ |
| Maximum speed | 282 km/h ◉ |
| Operational range | 753 km ◉ |
| Service ceiling | 5,791 m ◉ |
| Max. takeoff weight | 1,157 kg ◉ |
| Empty weight | 794 kg ◉ |
| Total thrust | 1 x 194 kW ◉ |
Performance Radar Chart
Frequently Asked Questions
Which is faster, the L-29 Delfin or T-67 Firefly?
The L-29 Delfin is faster with a maximum speed of 655 km/h compared to the T-67 Firefly's 282 km/h, a difference of 373 km/h.
Which has longer range, the L-29 Delfin or T-67 Firefly?
The L-29 Delfin has a longer range at 894 km compared to the T-67 Firefly's 753 km.
Which can fly higher, the L-29 Delfin or T-67 Firefly?
The L-29 Delfin has a higher service ceiling at 11,500 meters (37,729 ft) compared to the T-67 Firefly's 5,791 meters (18,999 ft).
Which is heavier, the L-29 Delfin or T-67 Firefly?
The L-29 Delfin has a higher maximum takeoff weight at 3,540 kg compared to the T-67 Firefly's 1,157 kg.
Which is larger, the L-29 Delfin or T-67 Firefly?
The L-29 Delfin is longer at 10.8 meters compared to the T-67 Firefly's 7.5 meters.
Which is more expensive, the L-29 Delfin or T-67 Firefly?
The T-67 Firefly is more expensive at approximately $0.5 million per unit compared to the L-29 Delfin at $0.2 million.
Which entered service first, the L-29 Delfin or T-67 Firefly?
The L-29 Delfin entered service first in 1961, 13 years before the T-67 Firefly which entered service in 1974.
Which has been built in greater numbers, the L-29 Delfin or T-67 Firefly?
The L-29 Delfin has been produced in greater numbers with 3,665 units compared to 250 units of the T-67 Firefly.