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Krivak vs Type 21

Krivak vs Type 21 at a glance — displacement 3,575 vs 3,250 tons, length 123 vs 117 m, speed 32 vs 37 knots, crew 200 vs 177.

Specifications
Krivak Type 21
Origin 🇷🇺 Ex-USSR 🇬🇧 United Kingdom
Category Frigate Frigate
Type Frigate / patrol ship Frigate
Manufacturer Yantar Shipyard Yarrow Shipbuilders
Year introduced 1970 1974
Number built 40 units 8 units
Estimated unit price $475 million $60 million
Displacement 3,575 tons 3,250 tons
Maximum speed 32.0 knots 37.0 knots
Range 4,995 nm at 20 knots 4,000 nm at 17 knots
Length 123.5 m 117.0 m
Beam 14.1 m 12.7 m
Crew 200 177
Performance Radar Chart
Armament & Systems
Krivak Type 21
Armament
  • 1 × 4 URK-5 (SS-N-14 'Silex') SSM/ASW missiles
  • 2 × Osa-MA SAM systems SA-N-4 'Gecko' SAM (40 missiles)
  • 4 × 76 mm AK-726 guns (2×2)
  • 2 × RBU-6000 anti-submarine rockets
  • 2 × 4 533 mm torpedo tubes
  • 1 × 4.5 in (114 mm) Vickers Mark 8 gun
  • 2 × 20 mm Oerlikon guns (later 4)
  • 1 × 4-rail launcher for GWS-24 Sea Cat
  • 2 × 8-barrelled Knebworth Corvus countermeasures launchers
  • 4 × launchers for MM38 Exocet surface-surface missiles
  • 2 × 12.75 in (324 mm) 3-tube STWS-1 anti-submarine torpedo launchers
  • TKWA/MASS (Multi Ammunition Softkill System)
  • 2 x 4-cell Harpoon missile launchers
  • 1 x 6-cell LY-60N Hunting Eagle SAM launcher
  • 1 × Vulcan Phalanx 20mm CIWS
Propulsion 2 shaft; COGAG 2 × M-8k, 40,000 shp (30,000 kW) or DK59 13.5 MW or DT59 16.9 MW gas-turbines; 2 × M-62 7.4 MW or DS71 13.4 gas-turbines (cruise), 14,950 shp (11,150 kW) COGOG on 2 shafts; 2 × Tyne cruise turbines: 8,500 shp (6,300 kW); 2 × Olympus boost turbines: 50,000 shp (37,000 kW)
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Frequently Asked Questions

Which has greater displacement, the Krivak-class or Type 21-class?
The Krivak-class has greater displacement at 3,575 tons compared to the Type 21-class's 3,250 tons.
Which is faster, the Krivak-class or Type 21-class?
The Type 21-class is faster with a maximum speed of 37 knots compared to the Krivak-class's 32 knots.
Which has longer range, the Krivak-class or Type 21-class?
The Krivak-class has a longer range at 4,995 nautical miles compared to the Type 21-class's 4,000 nautical miles.
Which is longer, the Krivak-class or Type 21-class?
The Krivak-class is longer at 123.5 meters compared to the Type 21-class's 117.0 meters.
How many crew members do the Krivak-class and Type 21-class have?
The Krivak-class has a larger crew complement of 200 compared to the Type 21-class's 177 crew members.
Which is more expensive, the Krivak-class or Type 21-class?
The Krivak-class is more expensive at approximately $475 million per unit compared to the Type 21-class at $60 million.
Which has been built in greater numbers, the Krivak-class or Type 21-class?
The Krivak-class has been built in greater numbers with 40 vessels compared to 8 vessels of the Type 21-class.