L-29 Delfin vs Z 42

The L-29 Delfin and the Z 42 are both Military Training Aircraft, manufactured by Aero and Zlin respectively. The L-29 Delfin reaches 655 km/h — 2.8x the Z 42's 230 km/h. The L-29 Delfin has an operational range of 894 km vs 530 km for the Z 42. The L-29 Delfin operates at altitudes up to 11,500 m compared to 5,500 m for the Z 42. At 3,540 kg MTOW, the L-29 Delfin is 3.8x the Z 42's 920 kg. The L-29 Delfin has been produced in 3,665 units vs 57 for the Z 42. The L-29 Delfin first flew 8 years before the Z 42 (1959 vs 1967).

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
Czech training aircraft, introduced in the late 20th century, extensively utilized for flight instruction and aerobatics worldwide.
Zlin Z 42 Training profile drawing
Origin country 🇨🇿 Czechia
Category Military Training Aircraft
Manufacturer Zlin
First flight 17 October 1967
Year introduced 1970
Number produced 57 units
Average unit price $-- 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 13.2 m²
Wingspan 9.1 m
Height 2.7 m
Length 7.1 m
Maximum speed 230 km/h
Operational range 530 km
Service ceiling 5,500 m
Max. takeoff weight 920 kg
Empty weight 600 kg
Total thrust 1 x 134 kW

Performance Radar Chart

Frequently Asked Questions

Which is faster, the L-29 Delfin or Z 42?
The L-29 Delfin is faster with a maximum speed of 655 km/h compared to the Z 42's 230 km/h, a difference of 425 km/h.
Which has longer range, the L-29 Delfin or Z 42?
The L-29 Delfin has a longer range at 894 km compared to the Z 42's 530 km.
Which can fly higher, the L-29 Delfin or Z 42?
The L-29 Delfin has a higher service ceiling at 11,500 meters (37,729 ft) compared to the Z 42's 5,500 meters (18,044 ft).
Which is heavier, the L-29 Delfin or Z 42?
The L-29 Delfin has a higher maximum takeoff weight at 3,540 kg compared to the Z 42's 920 kg.
Which is larger, the L-29 Delfin or Z 42?
The L-29 Delfin is longer at 10.8 meters compared to the Z 42's 7.1 meters.
Which entered service first, the L-29 Delfin or Z 42?
The L-29 Delfin entered service first in 1961, 9 years before the Z 42 which entered service in 1970.
Which has been built in greater numbers, the L-29 Delfin or Z 42?
The L-29 Delfin has been produced in greater numbers with 3,665 units compared to 57 units of the Z 42.