Gulfstream G550 vs L-29 Delfin

Overview

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).

Gulfstream G550

American business jet, in service since the early 21st century, renowned for long-range capabilities and high-speed performance.
Gulfstream Gulfstream G550 Training profile drawing
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
→ View full Gulfstream G550 details

L-29 Delfin

Czechoslovakian jet trainer, utilized extensively during the Cold War, and exported broadly to Warsaw Pact and other nations.
Aero L-29 Delfin Training profile drawing
Origin country 🇨🇿 Czechia
Category Military Training Aircraft
Manufacturer Aero
First flight 5 April 1959
Year introduced 1961
Number produced 3665 units
Average unit price $200K
→ View full L-29 Delfin details

Gulfstream G550

Wing area 106.0 m² ◉
Wingspan 28.5 m ◉
Height 7.7 m ◉
Length 29.4 m ◉
Maximum speed 941 km/h ◉
Operational range 12,500 km ◉
Service ceiling 15,545 m ◉
Max. takeoff weight 41,050 kg ◉
Empty weight 20,956 kg ◉
Total thrust 2 x 3,345 kgf ◉

L-29 Delfin

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 ◉

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.

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