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Ka-27 Helix vs Ka-31

Ka-27 Helix vs Ka-31 at a glance — top speed 270 vs 250 km/h, range 980 vs 600 km, max takeoff weight 12,000 vs 12,500 kg, built 201 vs 28 units.

Kamov Ka-27 Helix military helicopters side profile drawing
🇷🇺 Ka-27 Helix
Kamov Ka-31 military helicopters side profile drawing
🇷🇺 Ka-31
Specifications
Ka-27 Helix Ka-31
Origin country 🇷🇺 Ex-USSR 🇷🇺 Ex-USSR
Category Military Helicopters Military Helicopters
Manufacturer Kamov Kamov
First flight 8 August 1973 1 January 1987
Year introduced 1982 1995
Number produced 201 units 28 units
Average unit price -- --
Wing area -- m² 397.2 m²
Wingspan 15.8 m 15.9 m
Height 5.5 m 5.6 m
Length 11.3 m 12.5 m
Maximum speed 270 km/h 250 km/h
Operational range 980 km 600 km
Service ceiling 5,000 m -- m
Max. takeoff weight 12,000 kg 12,500 kg
Empty weight 6,500 kg -- kg
Total thrust 2 x 1,659 kW 2 x 1,864 kW
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the Ka-27 Helix or Ka-31?
The Ka-27 Helix is faster with a maximum speed of 270 km/h compared to the Ka-31's 250 km/h, a difference of 20 km/h.
Which has longer range, the Ka-27 Helix or Ka-31?
The Ka-27 Helix has a longer range at 980 km compared to the Ka-31's 600 km.
Which can fly higher, the Ka-27 Helix or Ka-31?
The Ka-27 Helix has a higher service ceiling at 5,000 meters (16,404 ft) compared to the Ka-31's 0 meters (0 ft).
Which is heavier, the Ka-27 Helix or Ka-31?
The Ka-31 has a higher maximum takeoff weight at 12,500 kg compared to the Ka-27 Helix's 12,000 kg.
Which is larger, the Ka-27 Helix or Ka-31?
The Ka-31 is longer at 12.5 meters compared to the Ka-27 Helix's 11.3 meters.
Which entered service first, the Ka-27 Helix or Ka-31?
The Ka-27 Helix entered service first in 1982, 13 years before the Ka-31 which entered service in 1995.
Which has been built in greater numbers, the Ka-27 Helix or Ka-31?
The Ka-27 Helix has been produced in greater numbers with 201 units compared to 28 units of the Ka-31.