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Formidable vs Sigma

Formidable vs Sigma at a glance — displacement 3,200 vs 1,692 tons, length 114 vs 90 m, speed 27 vs 28 knots, crew 71 vs 80.

Specifications
Formidable Sigma
Origin 🇫🇷 France 🇳🇱 Netherlands
Category Frigate Frigate
Type Frigate Multi-purpose corvette / frigate
Manufacturer DCNS Damen Schelde Naval Shipbuilding
Year introduced 2007 2007
Number built 6 units 10 units
Estimated unit price NA $222 million
Displacement 3,200 tons 1,692 tons
Maximum speed 27.0 knots 28.0 knots
Range 4,200 nm 4,800 nm at 14 knots
Length 114.8 m 90.7 m
Beam 16.3 m 13.0 m
Crew 71 80
Performance Radar Chart
Armament & Systems
Formidable Sigma
Armament
  • 8 (Up to 24) × RGM-84C Harpoon SSMs (to be replaced by Blue Spear SSM)
  • 16-cell Sylver A50 VLS for MBDA Aster 15/30
  • 16-cell Sylver A43 VLS for MBDA Aster 15
  • 2 × B515 triple tubes for EuroTorp A244/S Mod 3 torpedoes
  • 1x OTO Melara 76mm Super Rapid gun
  • 4 × STK 50MG 12.7 mm HMG
  • 2 × 25mm Mk 38 Mod2 Typhoon Weapon Station Stabilised Gun
  • Long-Range Acoustic Device 500 Xtreme (LRAD500X)
  • 1 × Oto Melara 76 mm gun
  • 2 × 20 mm Denel GI-2 gun
  • 2 × quad (8) Mistral TETRAL Anti-air missile
  • 4 × Exocet MM40 Block II/MM40 Block III anti-surface missile
  • 2 × B515/3 triple launchers for lightweight WASS A244-S mod.3 / EuroTorp MU 90 torpedoes
Propulsion Combined diesel and diesel (CODAD) arrangement: 4 × MTU 20V 8000 M90, each rated at 9,100 kW (12,200 shp). Total output: 36,400 kW (48,800 shp) 2 × SEMT Pielstick 20PA6B STC rated at 8910 kW each driving a lightweight Geislinger coupling; 4 × Caterpillar 3406C TA generator rated at 350 kW each; 1 × Caterpillar 3304B emergency generator rated at 105 kW; 2 × shaft with Rolls-Royce Kamewa 5 bladed controllable pitch propeller
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Largest operators · in service
Largest operators · in service
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Frequently Asked Questions

Which has greater displacement, the Formidable-class or Sigma-class?
The Formidable-class has greater displacement at 3,200 tons compared to the Sigma-class's 1,692 tons.
Which is faster, the Formidable-class or Sigma-class?
The Sigma-class is faster with a maximum speed of 28 knots compared to the Formidable-class's 27 knots.
Which has longer range, the Formidable-class or Sigma-class?
The Sigma-class has a longer range at 4,800 nautical miles compared to the Formidable-class's 4,200 nautical miles.
Which is longer, the Formidable-class or Sigma-class?
The Formidable-class is longer at 114.8 meters compared to the Sigma-class's 90.7 meters.
How many crew members do the Formidable-class and Sigma-class have?
The Sigma-class has a larger crew complement of 80 compared to the Formidable-class's 71 crew members.
Which has been built in greater numbers, the Formidable-class or Sigma-class?
The Sigma-class has been built in greater numbers with 10 vessels compared to 6 vessels of the Formidable-class.