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FF-1052 Knox vs Riga

FF-1052 Knox vs Riga at a glance — displacement 4,130 vs 1,416 tons, length 134 vs 91 m, speed 27 vs 28 knots, crew 257 vs 175.

Specifications
FF-1052 Knox Riga
Origin 🇺🇸 United States 🇷🇺 Ex-USSR
Category Frigate Frigate
Type Frigate Frigate
Manufacturer Todd Shipyard Kaliningrad
Year introduced 1969 1954
Number built 46 units 68 units
Estimated unit price NA NA
Displacement 4,130 tons 1,416 tons
Maximum speed 27.0 knots 28.0 knots
Range 4,500 nm at 20 knots 1,950 nm at 14 knots
Length 134.0 m 91.0 m
Beam 14.3 m 10.2 m
Crew 257 175
Performance Radar Chart
Armament & Systems
FF-1052 Knox Riga
Armament
  • 1 × 5 in (127 mm)/54 caliber Mark 42 gun
  • 1 × Mk-16 8–cell ASROC launcher
  • 2 × dual Mark 32 Mark 46 torpedo launchers
  • 1 × Mk-25 8–cell RIM-7 Sea Sparrow
  • 1 × Mk-29 8–cell RIM-7H Improved Sea Sparrow
  • 1 × Phalanx CIWS
  • Harpoon anti-ship missiles
  • 3 × 100 mm guns/56 (B-34) (3×1)
  • 4 × 37 mm guns (2×2)
  • 4 × 25 mm guns (2×2) - Some ships
  • MBU-600 anti-submarine rocket launchers (replaced by two RBU-2500)
  • 2 or 3 × 533 mm torpedo tubes (1×2 or 1×3)
Propulsion 1 × Westinghouse steam turbine, 2 × 1,200 psi boilers, 35,000 shp 2 × shaft steam turbines, 2 × boilers; 21,000 hp (16,000 kW)
Change comparison vs
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Frequently Asked Questions

Which has greater displacement, the FF-1052 Knox-class or Riga-class?
The FF-1052 Knox-class has greater displacement at 4,130 tons compared to the Riga-class's 1,416 tons.
Which is faster, the FF-1052 Knox-class or Riga-class?
The Riga-class is faster with a maximum speed of 28 knots compared to the FF-1052 Knox-class's 27 knots.
Which has longer range, the FF-1052 Knox-class or Riga-class?
The FF-1052 Knox-class has a longer range at 4,500 nautical miles compared to the Riga-class's 1,950 nautical miles.
Which is longer, the FF-1052 Knox-class or Riga-class?
The FF-1052 Knox-class is longer at 134.0 meters compared to the Riga-class's 91.0 meters.
How many crew members do the FF-1052 Knox-class and Riga-class have?
The FF-1052 Knox-class has a larger crew complement of 257 compared to the Riga-class's 175 crew members.
Which has been built in greater numbers, the FF-1052 Knox-class or Riga-class?
The Riga-class has been built in greater numbers with 68 vessels compared to 46 vessels of the FF-1052 Knox-class.