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Ka-25 Hormone vs S-3 Viking

Ka-25 Hormone vs S-3 Viking at a glance — top speed 220 vs 815 km/h, range 400 vs 5,121 km, max takeoff weight 7,500 vs 23,831 kg, built 460 vs 188 units.

Kamov Ka-25 Hormone military helicopters side profile drawing
🇷🇺 Ka-25 HormoneFull specs
Lockheed S-3 Viking military special mission aircraft side profile drawing
🇺🇸 S-3 VikingFull specs
Specifications
Ka-25 Hormone S-3 Viking
Origin country 🇷🇺 Ex-USSR 🇺🇸 United States
Category Military Helicopters Military Special Mission Aircraft
Manufacturer Kamov Lockheed
First flight 26 April 1961 21 January 1972
Year introduced 1968 1974
Number produced 460 units 188 units
Average unit price $6 million $27 million
Wing area -- m² 56.0 m²
Wingspan 15.7 m 21.0 m
Height 5.4 m 7.0 m
Length 9.8 m 16.3 m
Maximum speed 220 km/h 815 km/h
Operational range 400 km 5,121 km
Service ceiling 3,350 m 12,466 m
Max. takeoff weight 7,500 kg 23,831 kg
Empty weight 4,765 kg 12,057 kg
Total thrust 2 x 671 kW 2 x 4,207 kgf
Performance Radar Chart
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Ka-25 Hormone side profile drawing Ka-25 Hormone Specs, operators & history →
Former operators · 460 built
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Frequently Asked Questions

Which is faster, the Ka-25 Hormone or S-3 Viking?
The S-3 Viking is faster with a maximum speed of 815 km/h compared to the Ka-25 Hormone's 220 km/h, a difference of 595 km/h.
Which has longer range, the Ka-25 Hormone or S-3 Viking?
The S-3 Viking has a longer range at 5,121 km compared to the Ka-25 Hormone's 400 km.
Which can fly higher, the Ka-25 Hormone or S-3 Viking?
The S-3 Viking has a higher service ceiling at 12,466 meters (40,898 ft) compared to the Ka-25 Hormone's 3,350 meters (10,990 ft).
Which is heavier, the Ka-25 Hormone or S-3 Viking?
The S-3 Viking has a higher maximum takeoff weight at 23,831 kg compared to the Ka-25 Hormone's 7,500 kg.
Which is larger, the Ka-25 Hormone or S-3 Viking?
The S-3 Viking is longer at 16.3 meters compared to the Ka-25 Hormone's 9.8 meters.
Which is more expensive, the Ka-25 Hormone or S-3 Viking?
The S-3 Viking is more expensive at approximately $27 million per unit compared to the Ka-25 Hormone at $6.0 million.
Which entered service first, the Ka-25 Hormone or S-3 Viking?
The Ka-25 Hormone entered service first in 1968, 6 years before the S-3 Viking which entered service in 1974.
Which has been built in greater numbers, the Ka-25 Hormone or S-3 Viking?
The Ka-25 Hormone has been produced in greater numbers with 460 units compared to 188 units of the S-3 Viking.