FF-1052 Knox vs Sigma
Overview
The FF-1052 Knox and the Sigma are both Frigate classes.
The FF-1052 Knox displaces 4,130 tons — 2.4x the Sigma's 1,692 tons. The FF-1052 Knox reaches 27 knots vs 28 knots for the Sigma. Operational range is 4,500 nautical miles for the FF-1052 Knox vs 4,800 for the Sigma. The FF-1052 Knox carries a crew of 257 vs 80 for the Sigma.
The FF-1052 Knox was produced in 46 units vs 10 for the Sigma. The FF-1052 Knox was commissioned in 1969, 38 years before the Sigma (2007).
| United States frigate, introduced in 1969, built by Todd Shipyard with a displacement of 4,130 tons. | |
| Origin | 🇺🇸 United States |
| Category | Frigate |
| Type | Frigate |
| Manufacturer | Todd Shipyard |
| Year introduced | 1969 |
| Number built | 46 units |
| Estimated unit price | NA |
| Netherlands frigate, introduced in 2007, displaces 1,692 tons and reaches 28 knots. | |
| Origin | 🇳🇱 Netherlands |
| Category | Frigate |
| Type | Multi-purpose corvette / frigate |
| Manufacturer | Damen Schelde Naval Shipbuilding |
| Year introduced | 2007 |
| Number built | 10 units |
| Estimated unit price | $222 million |
| Displacement | 4,130 tons ◉ |
| Maximum speed | 27.0 knots ◉ |
| Range | 4,500 nm at 20 knots ◉ |
| Length | 134.0 m ◉ |
| Beam | 14.3 m ◉ |
| Crew | 257 ◉ |
| Propulsion | 1 × Westinghouse steam turbine, 2 × 1,200 psi boilers, 35,000 shp |
| Armament |
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| Displacement | 1,692 tons ◉ |
| Maximum speed | 28.0 knots ◉ |
| Range | 4,800 nm at 14 knots ◉ |
| Length | 90.7 m ◉ |
| Beam | 13.0 m ◉ |
| Crew | 80 ◉ |
| Propulsion | 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 |
| Armament |
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Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the FF-1052 Knox-class or Sigma-class?
The FF-1052 Knox-class has greater displacement at 4,130 tons compared to the Sigma-class's 1,692 tons.
Which is faster, the FF-1052 Knox-class or Sigma-class?
The Sigma-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 Sigma-class?
The Sigma-class has a longer range at 4,800 nautical miles compared to the FF-1052 Knox-class's 4,500 nautical miles.
Which is longer, the FF-1052 Knox-class or Sigma-class?
The FF-1052 Knox-class is longer at 134.0 meters compared to the Sigma-class's 90.7 meters.
How many crew members do the FF-1052 Knox-class and Sigma-class have?
The FF-1052 Knox-class has a larger crew complement of 257 compared to the Sigma-class's 80 crew members.
Which has been built in greater numbers, the FF-1052 Knox-class or Sigma-class?
The FF-1052 Knox-class has been built in greater numbers with 46 vessels compared to 10 vessels of the Sigma-class.