G-120 vs L-29 Delfin

The G-120 and the L-29 Delfin are both Military Training Aircraft, manufactured by Grob and Aero respectively. Top speed is 435 km/h for the G-120 vs 655 km/h for the L-29 Delfin. The G-120 has an operational range of 1,540 km vs 894 km for the L-29 Delfin. The L-29 Delfin operates at altitudes up to 11,500 m compared to 5,486 m for the G-120. At 3,540 kg MTOW, the L-29 Delfin is 2.4x the G-120's 1,490 kg. The G-120 has been produced in 215 units vs 3,665 for the L-29 Delfin. The L-29 Delfin first flew 40 years before the G-120 (1959 vs 1999).

German trainer aircraft, utilized worldwide for military pilot training, developed in the late 20th century.
Grob G-120 Training profile drawing
Origin country 🇩🇪 Germany
Category Military Training Aircraft
Manufacturer Grob
First flight 1 January 1999
Year introduced 1999
Number produced 215 units
Average unit price $-- million
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 $0.2 million
Wing area 13.3 m² ◉
Wingspan 10.2 m â—‰
Height 2.7 m â—‰
Length 8.1 m â—‰
Maximum speed 435 km/h â—‰
Operational range 1,540 km â—‰
Service ceiling 5,486 m â—‰
Max. takeoff weight 1,490 kg â—‰
Empty weight 1,080 kg â—‰
Total thrust 1 x 194 kW 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 G-120 or L-29 Delfin?
The L-29 Delfin is faster with a maximum speed of 655 km/h compared to the G-120's 435 km/h, a difference of 220 km/h.
Which has longer range, the G-120 or L-29 Delfin?
The G-120 has a longer range at 1,540 km compared to the L-29 Delfin's 894 km.
Which can fly higher, the G-120 or L-29 Delfin?
The L-29 Delfin has a higher service ceiling at 11,500 meters (37,729 ft) compared to the G-120's 5,486 meters (17,998 ft).
Which is heavier, the G-120 or L-29 Delfin?
The L-29 Delfin has a higher maximum takeoff weight at 3,540 kg compared to the G-120's 1,490 kg.
Which is larger, the G-120 or L-29 Delfin?
The L-29 Delfin is longer at 10.8 meters compared to the G-120's 8.1 meters.
Which entered service first, the G-120 or L-29 Delfin?
The L-29 Delfin entered service first in 1961, 38 years before the G-120 which entered service in 1999.
Which has been built in greater numbers, the G-120 or L-29 Delfin?
The L-29 Delfin has been produced in greater numbers with 3,665 units compared to 215 units of the G-120.