Independence vs Type 21
Overview
The Independence and the Type 21 are both Frigate classes.
Displacement is 3,104 tons for the Independence vs 3,250 tons for the Type 21. The Independence reaches 44 knots vs 37 knots for the Type 21. Operational range is 4,300 nautical miles for the Independence vs 4,000 for the Type 21. The Independence carries a crew of 40 vs 177 for the Type 21.
The Independence was produced in 19 units vs 8 for the Type 21. Cost per hull is $360M for the Independence vs $60M for the Type 21. The Independence was commissioned in 2010, 36 years after the Type 21 (1974).
| American littoral combat ship, 3,104 tons displacement, utilizes a CODOG propulsion system. | |
| Origin | 🇺🇸 United States |
| Category | Frigate |
| Type | Littoral combat ship |
| Manufacturer | Austal USA |
| Year introduced | 2010 |
| Number built | 19 units |
| Estimated unit price | $360 million |
| British frigate, 3,250 tons displacement, propelled by COGOG arrangement for a top speed of 37 knots. | |
| Origin | 🇬🇧 United Kingdom |
| Category | Frigate |
| Type | Frigate |
| Manufacturer | Yarrow Shipbuilders |
| Year introduced | 1974 |
| Number built | 8 units |
| Estimated unit price | $60 million |
| Displacement | 3,104 tons ◉ |
| Maximum speed | 44.0 knots ◉ |
| Range | 4,300 nm at 18 knots ◉ |
| Length | 127.0 m ◉ |
| Beam | 32.0 m ◉ |
| Crew | 40 ◉ |
| Propulsion | CODOG system: 2 × General Electric LM2500 gas turbines, 2 × MTU Friedrichshafen 20V 8000 Series diesel engines, 4 × diesel generators |
| Armament |
|
| Displacement | 3,250 tons ◉ |
| Maximum speed | 37.0 knots ◉ |
| Range | 4,000 nm at 1200 knots ◉ |
| Length | 117.0 m ◉ |
| Beam | 12.7 m ◉ |
| Crew | 177 ◉ |
| Propulsion | COGOG on 2 shafts; 2 × Tyne cruise turbines: 8,500 shp (6,300 kW); 2 × Olympus boost turbines: 50,000 shp (37,000 kW) |
| Armament |
|
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the Independence-class or Type 21-class?
The Type 21-class has greater displacement at 3,250 tons compared to the Independence-class's 3,104 tons.
Which is faster, the Independence-class or Type 21-class?
The Independence-class is faster with a maximum speed of 44 knots compared to the Type 21-class's 37 knots.
Which has longer range, the Independence-class or Type 21-class?
The Independence-class has a longer range at 4,300 nautical miles compared to the Type 21-class's 4,000 nautical miles.
Which is longer, the Independence-class or Type 21-class?
The Independence-class is longer at 127.0 meters compared to the Type 21-class's 117.0 meters.
How many crew members do the Independence-class and Type 21-class have?
The Type 21-class has a larger crew complement of 177 compared to the Independence-class's 40 crew members.
Which is more expensive, the Independence-class or Type 21-class?
The Independence-class is more expensive at approximately $360 million per unit compared to the Type 21-class at $60 million.
Which has been built in greater numbers, the Independence-class or Type 21-class?
The Independence-class has been built in greater numbers with 19 vessels compared to 8 vessels of the Type 21-class.