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H145M / EC645 vs H155 / EC155 Dauphin 2

H145M / EC645 vs H155 / EC155 Dauphin 2 at a glance — top speed 269 vs 324 km/h, range 660 vs 790 km, max takeoff weight 3,585 vs 4,920 kg, built 1,500 vs 116 units.

Specifications
H145M / EC645 H155 / EC155 Dauphin 2
Origin country 🇫🇷 France 🇫🇷 France
Category Military Helicopters Military Helicopters
Manufacturer Airbus Helicopters Airbus Helicopters
First flight 12 June 1999 17 June 1997
Year introduced 2002 1999
Number produced 1500 units 116 units
Average unit price $25 million --
Wingspan 10.8 m 12.6 m
Height 3.5 m 4.4 m
Length 13.0 m 14.3 m
Maximum speed 269 km/h 324 km/h
Operational range 660 km 790 km
Service ceiling 5,486 m 4,572 m
Max. takeoff weight 3,585 kg 4,920 kg
Empty weight 1,792 kg 2,618 kg
Total thrust 2 x 550 kW 2 x 713 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the H145M / EC645 or H155 / EC155 Dauphin 2?
The H155 / EC155 Dauphin 2 is faster with a maximum speed of 324 km/h compared to the H145M / EC645's 269 km/h, a difference of 55 km/h.
Which has longer range, the H145M / EC645 or H155 / EC155 Dauphin 2?
The H155 / EC155 Dauphin 2 has a longer range at 790 km compared to the H145M / EC645's 660 km.
Which can fly higher, the H145M / EC645 or H155 / EC155 Dauphin 2?
The H145M / EC645 has a higher service ceiling at 5,486 meters (17,998 ft) compared to the H155 / EC155 Dauphin 2's 4,572 meters (15,000 ft).
Which is heavier, the H145M / EC645 or H155 / EC155 Dauphin 2?
The H155 / EC155 Dauphin 2 has a higher maximum takeoff weight at 4,920 kg compared to the H145M / EC645's 3,585 kg.
Which is larger, the H145M / EC645 or H155 / EC155 Dauphin 2?
The H155 / EC155 Dauphin 2 is longer at 14.3 meters compared to the H145M / EC645's 13.0 meters.
Which entered service first, the H145M / EC645 or H155 / EC155 Dauphin 2?
The H155 / EC155 Dauphin 2 entered service first in 1999, 3 years before the H145M / EC645 which entered service in 2002.
Which has been built in greater numbers, the H145M / EC645 or H155 / EC155 Dauphin 2?
The H145M / EC645 has been produced in greater numbers with 1,500 units compared to 116 units of the H155 / EC155 Dauphin 2.