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Ka-25 Hormone vs Ka-27 Helix

Kamov Ka-25 Hormone military helicopters side profile drawing
🇷🇺 Ka-25 Hormone
Kamov Ka-27 Helix military helicopters side profile drawing
🇷🇺 Ka-27 Helix
Change comparison vs
Specifications
Ka-25 Hormone Ka-27 Helix
Origin country 🇷🇺 Ex-USSR 🇷🇺 Ex-USSR
Category Military Helicopters Military Helicopters
Manufacturer Kamov Kamov
First flight 26 April 1961 8 August 1973
Year introduced 1968 1982
Number produced 460 units 201 units
Average unit price $6 million --
Wingspan 15.7 m 15.8 m
Height 5.4 m 5.5 m
Length 9.8 m 11.3 m
Maximum speed 220 km/h 270 km/h
Operational range 400 km 980 km
Service ceiling 3,350 m 5,000 m
Max. takeoff weight 7,500 kg 12,000 kg
Empty weight 4,765 kg 6,500 kg
Total thrust 2 x 671 kW 2 x 1,659 kW
Performance Radar Chart

Overview

The Ka-25 Hormone and the Ka-27 Helix are both Military Helicopters, manufactured by Kamov and Kamov respectively.

Top speed is 220 km/h for the Ka-25 Hormone vs 270 km/h for the Ka-27 Helix. The Ka-25 Hormone has an operational range of 400 km vs 980 km for the Ka-27 Helix. The Ka-27 Helix operates at altitudes up to 5,000 m compared to 3,350 m for the Ka-25 Hormone.

The Ka-25 Hormone has been produced in 460 units vs 201 for the Ka-27 Helix. The Ka-25 Hormone first flew 12 years before the Ka-27 Helix (1961 vs 1973).

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Frequently Asked Questions

Which is faster, the Ka-25 Hormone or Ka-27 Helix?
The Ka-27 Helix is faster with a maximum speed of 270 km/h compared to the Ka-25 Hormone's 220 km/h, a difference of 50 km/h.
Which has longer range, the Ka-25 Hormone or Ka-27 Helix?
The Ka-27 Helix has a longer range at 980 km compared to the Ka-25 Hormone's 400 km.
Which can fly higher, the Ka-25 Hormone or Ka-27 Helix?
The Ka-27 Helix has a higher service ceiling at 5,000 meters (16,404 ft) compared to the Ka-25 Hormone's 3,350 meters (10,990 ft).
Which is heavier, the Ka-25 Hormone or Ka-27 Helix?
The Ka-27 Helix has a higher maximum takeoff weight at 12,000 kg compared to the Ka-25 Hormone's 7,500 kg.
Which is larger, the Ka-25 Hormone or Ka-27 Helix?
The Ka-27 Helix is longer at 11.3 meters compared to the Ka-25 Hormone's 9.8 meters.
Which entered service first, the Ka-25 Hormone or Ka-27 Helix?
The Ka-25 Hormone entered service first in 1968, 14 years before the Ka-27 Helix which entered service in 1982.
Which has been built in greater numbers, the Ka-25 Hormone or Ka-27 Helix?
The Ka-25 Hormone has been produced in greater numbers with 460 units compared to 201 units of the Ka-27 Helix.