GlobalMilitary.net Open-source military intelligence Updated daily

DA42 Twin Star vs HTT-40

Diamond DA42 Twin Star military training aircraft side profile drawing
HAL HTT-40 military training aircraft side profile drawing
🇮🇳 HTT-40
Change comparison vs
Specifications
DA42 Twin Star HTT-40
Origin country 🇦🇹 Austria 🇮🇳 India
Category Military Training Aircraft Military Training Aircraft
Manufacturer Diamond HAL
First flight 9 December 2002 1 June 2016
Year introduced 2004 2026
Number produced 600 units 2 units
Average unit price $1.3 million $12.1 million
Wing area 16.3 m² -- m²
Wingspan 13.4 m 11.0 m
Height 2.5 m -- m
Length 8.0 m -- m
Maximum speed 354 km/h 450 km/h
Operational range 2,250 km 1,000 km
Service ceiling 9,000 m 6,000 m
Max. takeoff weight 2,000 kg 2,800 kg
Empty weight 1,200 kg 2,000 kg
Total thrust 2 x 100 kW 1 x 708 kW
Performance Radar Chart

Overview

The DA42 Twin Star and the HTT-40 are both Military Training Aircraft, manufactured by Diamond and HAL respectively.

Top speed is 354 km/h for the DA42 Twin Star vs 450 km/h for the HTT-40. The DA42 Twin Star has an operational range of 2,250 km vs 1,000 km for the HTT-40. The DA42 Twin Star operates at altitudes up to 9,000 m compared to 6,000 m for the HTT-40.

The DA42 Twin Star has been produced in 600 units vs 2 for the HTT-40. Unit cost is $1.3M for the DA42 Twin Star vs $12.14M for the HTT-40. The DA42 Twin Star first flew 14 years before the HTT-40 (2002 vs 2016).

Frequently Asked Questions

Which is faster, the DA42 Twin Star or HTT-40?
The HTT-40 is faster with a maximum speed of 450 km/h compared to the DA42 Twin Star's 354 km/h, a difference of 96 km/h.
Which has longer range, the DA42 Twin Star or HTT-40?
The DA42 Twin Star has a longer range at 2,250 km compared to the HTT-40's 1,000 km.
Which can fly higher, the DA42 Twin Star or HTT-40?
The DA42 Twin Star has a higher service ceiling at 9,000 meters (29,527 ft) compared to the HTT-40's 6,000 meters (19,685 ft).
Which is heavier, the DA42 Twin Star or HTT-40?
The HTT-40 has a higher maximum takeoff weight at 2,800 kg compared to the DA42 Twin Star's 2,000 kg.
Which is larger, the DA42 Twin Star or HTT-40?
The DA42 Twin Star is longer at 8.0 meters compared to the HTT-40's 0.0 meters.
Which is more expensive, the DA42 Twin Star or HTT-40?
The HTT-40 is more expensive at approximately $12 million per unit compared to the DA42 Twin Star at $1.3 million.
Which entered service first, the DA42 Twin Star or HTT-40?
The DA42 Twin Star entered service first in 2004, 22 years before the HTT-40 which entered service in 2026.
Which has been built in greater numbers, the DA42 Twin Star or HTT-40?
The DA42 Twin Star has been produced in greater numbers with 600 units compared to 2 units of the HTT-40.