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L-29 Delfin vs NAMC YS-11

L-29 Delfin vs NAMC YS-11 at a glance — top speed 655 vs 470 km/h, range 894 vs 2,110 km, max takeoff weight 3,540 vs 23,500 kg, built 3,665 vs 182 units.

Aero L-29 Delfin military training aircraft side profile drawing
🇨🇿 L-29 Delfin
NAMC YS-11 military training aircraft side profile drawing
🇯🇵 NAMC YS-11
Specifications
L-29 Delfin NAMC YS-11
Origin country 🇨🇿 Czechia 🇯🇵 Japan
Category Military Training Aircraft Military Training Aircraft
Manufacturer Aero NAMC
First flight 5 April 1959 30 August 1962
Year introduced 1961 1965
Number produced 3665 units 182 units
Average unit price $200K $2.2 million
Wing area 20.0 m² 94.8 m²
Wingspan 10.3 m 32.0 m
Height 3.1 m 9.0 m
Length 10.8 m 26.3 m
Maximum speed 655 km/h 470 km/h
Operational range 894 km 2,110 km
Service ceiling 11,500 m 6,980 m
Max. takeoff weight 3,540 kg 23,500 kg
Empty weight 2,280 kg 14,600 kg
Total thrust 1 x 890 kgf 2 x 2,259 kW
Performance Radar Chart
Change comparison vs
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Frequently Asked Questions

Which is faster, the L-29 Delfin or NAMC YS-11?
The L-29 Delfin is faster with a maximum speed of 655 km/h compared to the NAMC YS-11's 470 km/h, a difference of 185 km/h.
Which has longer range, the L-29 Delfin or NAMC YS-11?
The NAMC YS-11 has a longer range at 2,110 km compared to the L-29 Delfin's 894 km.
Which can fly higher, the L-29 Delfin or NAMC YS-11?
The L-29 Delfin has a higher service ceiling at 11,500 meters (37,729 ft) compared to the NAMC YS-11's 6,980 meters (22,900 ft).
Which is heavier, the L-29 Delfin or NAMC YS-11?
The NAMC YS-11 has a higher maximum takeoff weight at 23,500 kg compared to the L-29 Delfin's 3,540 kg.
Which is larger, the L-29 Delfin or NAMC YS-11?
The NAMC YS-11 is longer at 26.3 meters compared to the L-29 Delfin's 10.8 meters.
Which is more expensive, the L-29 Delfin or NAMC YS-11?
The NAMC YS-11 is more expensive at approximately $2.2 million per unit compared to the L-29 Delfin at $0.2 million.
Which entered service first, the L-29 Delfin or NAMC YS-11?
The L-29 Delfin entered service first in 1961, 4 years before the NAMC YS-11 which entered service in 1965.
Which has been built in greater numbers, the L-29 Delfin or NAMC YS-11?
The L-29 Delfin has been produced in greater numbers with 3,665 units compared to 182 units of the NAMC YS-11.