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HTT-40 vs L-29 Delfin

HTT-40 vs L-29 Delfin at a glance — top speed 450 vs 655 km/h, range 1,000 vs 894 km, max takeoff weight 2,800 vs 3,540 kg, built 2 vs 3,665 units.

HAL HTT-40 military training aircraft side profile drawing
🇮🇳 HTT-40
Aero L-29 Delfin military training aircraft side profile drawing
🇨🇿 L-29 Delfin
Specifications
HTT-40 L-29 Delfin
Origin country 🇮🇳 India 🇨🇿 Czechia
Category Military Training Aircraft Military Training Aircraft
Manufacturer HAL Aero
First flight 1 June 2016 5 April 1959
Year introduced 2026 1961
Number produced 2 units 3665 units
Average unit price $12.1 million $200K
Wing area -- m² 20.0 m²
Wingspan 11.0 m 10.3 m
Height -- m 3.1 m
Length -- m 10.8 m
Maximum speed 450 km/h 655 km/h
Operational range 1,000 km 894 km
Service ceiling 6,000 m 11,500 m
Max. takeoff weight 2,800 kg 3,540 kg
Empty weight 2,000 kg 2,280 kg
Total thrust 1 x 708 kW 1 x 890 kgf
Performance Radar Chart
Change comparison vs
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Frequently Asked Questions

Which is faster, the HTT-40 or L-29 Delfin?
The L-29 Delfin is faster with a maximum speed of 655 km/h compared to the HTT-40's 450 km/h, a difference of 205 km/h.
Which has longer range, the HTT-40 or L-29 Delfin?
The HTT-40 has a longer range at 1,000 km compared to the L-29 Delfin's 894 km.
Which can fly higher, the HTT-40 or L-29 Delfin?
The L-29 Delfin has a higher service ceiling at 11,500 meters (37,729 ft) compared to the HTT-40's 6,000 meters (19,685 ft).
Which is heavier, the HTT-40 or L-29 Delfin?
The L-29 Delfin has a higher maximum takeoff weight at 3,540 kg compared to the HTT-40's 2,800 kg.
Which is more expensive, the HTT-40 or L-29 Delfin?
The HTT-40 is more expensive at approximately $12 million per unit compared to the L-29 Delfin at $0.2 million.
Which entered service first, the HTT-40 or L-29 Delfin?
The L-29 Delfin entered service first in 1961, 65 years before the HTT-40 which entered service in 2026.
Which has been built in greater numbers, the HTT-40 or L-29 Delfin?
The L-29 Delfin has been produced in greater numbers with 3,665 units compared to 2 units of the HTT-40.