Independence vs Sigma
Independence vs Sigma at a glance — displacement 3,104 vs 1,692 tons, length 127 vs 90 m, speed 44 vs 28 knots, crew 40 vs 80.
Specifications
|
Independence |
Sigma |
| Origin |
🇺🇸 United States |
🇳🇱 Netherlands |
| Category |
Frigate |
Frigate |
| Type |
Littoral combat ship |
Multi-purpose corvette / frigate |
| Manufacturer |
Austal USA |
Damen Schelde Naval Shipbuilding |
| Year introduced |
2010 |
2007 |
| Number built |
19 units |
10 units |
| Estimated unit price |
$360 million |
$222 million |
| Displacement |
3,104 tons |
1,692 tons |
| Maximum speed |
44.0 knots |
28.0 knots |
| Range |
4,300 nm at 18 knots |
4,800 nm at 14 knots |
| Length |
127.0 m |
90.7 m |
| Beam |
32.0 m |
13.0 m |
| Crew |
40 |
80 |
Armament & Systems
|
Independence |
Sigma |
| Armament |
- 1 × BAE Systems Mk 110 57 mm gun
- 1 × Raytheon SeaRAM CIWS
- 4 × .50-cal guns (2 aft, 2 forward)
- 2 × 30 mm Mk44 Bushmaster II guns
- 8 × RGM-184A Naval Strike Missiles
- 24 × AGM-114L Hellfire missiles
|
- 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 |
CODOG system: 2 × General Electric LM2500 gas turbines, 2 × MTU Friedrichshafen 20V 8000 Series diesel engines, 4 × diesel generators |
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 |
Detailed Comparison
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Which has greater displacement, the Independence-class or Sigma-class?
The Independence-class has greater displacement at 3,104 tons compared to the Sigma-class's 1,692 tons.
Which is faster, the Independence-class or Sigma-class?
The Independence-class is faster with a maximum speed of 44 knots compared to the Sigma-class's 28 knots.
Which has longer range, the Independence-class or Sigma-class?
The Sigma-class has a longer range at 4,800 nautical miles compared to the Independence-class's 4,300 nautical miles.
Which is longer, the Independence-class or Sigma-class?
The Independence-class is longer at 127.0 meters compared to the Sigma-class's 90.7 meters.
How many crew members do the Independence-class and Sigma-class have?
The Sigma-class has a larger crew complement of 80 compared to the Independence-class's 40 crew members.
Which is more expensive, the Independence-class or Sigma-class?
The Independence-class is more expensive at approximately $360 million per unit compared to the Sigma-class at $222 million.
Which has been built in greater numbers, the Independence-class or Sigma-class?
The Independence-class has been built in greater numbers with 19 vessels compared to 10 vessels of the Sigma-class.