Gulfstream G550 vs L-29 Delfin
The Gulfstream G550 and the L-29 Delfin are both Military Training Aircraft, manufactured by Gulfstream and Aero respectively. Top speed is 941 km/h for the Gulfstream G550 vs 655 km/h for the L-29 Delfin. The Gulfstream G550 has an operational range of 12,500 km vs 894 km for the L-29 Delfin. The Gulfstream G550 operates at altitudes up to 15,545 m compared to 11,500 m for the L-29 Delfin. At 41,050 kg MTOW, the Gulfstream G550 is 12:1 the L-29 Delfin's 3,540 kg. The Gulfstream G550 has been produced in 600 units vs 3,665 for the L-29 Delfin. Unit cost is $62M for the Gulfstream G550 vs $0.2M for the L-29 Delfin. The L-29 Delfin first flew 44 years before the Gulfstream G550 (1959 vs 2003).
| American business jet, in service since the early 21st century, renowned for long-range capabilities and high-speed performance. | |
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| Origin country | 🇺🇸 United States |
| Category | Military Training Aircraft |
| Manufacturer | Gulfstream |
| First flight | 1 January 2003 |
| Year introduced | 2004 |
| Number produced | 600 units |
| Average unit price | $62 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 | 106.0 m² ◉ |
| Wingspan | 28.5 m â—‰ |
| Height | 7.7 m â—‰ |
| Length | 29.4 m â—‰ |
| Maximum speed | 941 km/h â—‰ |
| Operational range | 12,500 km â—‰ |
| Service ceiling | 15,545 m â—‰ |
| Max. takeoff weight | 41,050 kg â—‰ |
| Empty weight | 20,956 kg â—‰ |
| Total thrust | 2 x 6,690 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 Gulfstream G550 or L-29 Delfin?
The Gulfstream G550 is faster with a maximum speed of 941 km/h compared to the L-29 Delfin's 655 km/h, a difference of 286 km/h.
Which has longer range, the Gulfstream G550 or L-29 Delfin?
The Gulfstream G550 has a longer range at 12,500 km compared to the L-29 Delfin's 894 km.
Which can fly higher, the Gulfstream G550 or L-29 Delfin?
The Gulfstream G550 has a higher service ceiling at 15,545 meters (51,000 ft) compared to the L-29 Delfin's 11,500 meters (37,729 ft).
Which is heavier, the Gulfstream G550 or L-29 Delfin?
The Gulfstream G550 has a higher maximum takeoff weight at 41,050 kg compared to the L-29 Delfin's 3,540 kg.
Which is larger, the Gulfstream G550 or L-29 Delfin?
The Gulfstream G550 is longer at 29.4 meters compared to the L-29 Delfin's 10.8 meters.
Which is more expensive, the Gulfstream G550 or L-29 Delfin?
The Gulfstream G550 is more expensive at approximately $62 million per unit compared to the L-29 Delfin at $0.2 million.
Which entered service first, the Gulfstream G550 or L-29 Delfin?
The L-29 Delfin entered service first in 1961, 43 years before the Gulfstream G550 which entered service in 2004.
Which has been built in greater numbers, the Gulfstream G550 or L-29 Delfin?
The L-29 Delfin has been produced in greater numbers with 3,665 units compared to 600 units of the Gulfstream G550.