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Hai Lung vs Riachuelo

Hai Lung vs Riachuelo at a glance — displacement 2,376 vs 1,900 tons, length 66 vs 70 m, crew 67 vs 32.

Specifications
Hai Lung Riachuelo
Origin 🇹🇼 Taiwan 🇧🇷 Brazil
Category Submarine Submarine
Type Diesel-electric attack submarine Diesel-electric attack submarine
Manufacturer Wilton-Fijenoord Itaguaí Construções Navais
Year introduced 1987 2022
Number built 2 units 3 units
Estimated unit price $250 million $1,000 million
Displacement 2,376 tons 1,900 tons
Maximum speed 12.0 knots NA
Range 10,000 nm at 9 knots NA
Length 66.9 m 70.6 m
Beam 8.4 m 6.2 m
Crew 67 32
Max depth 300 m 400 m
Performance Radar Chart
Armament & Systems
Hai Lung Riachuelo
Armament
  • 6 × 21 in (533 mm) torpedo tubes
  • 28 torpedoes/missiles
  • AEG SUT 264 torpedo
  • Mark 48 torpedo
  • UGM-84 Harpoon
  • 6 x 533 mm torpedo tubes
  • 8 x SM39 Exocet anti-ship missiles
  • 18 x F21 heavy-weight torpedoes
  • 30 x naval mines
Propulsion 3 × Bronswerk/Stork-Werkspoor RUB 215x12 diesels; 4050 hp 4x MTU 12V 396 SE84 diesel generators, 1x Jeumont-Schneider electric motor (3,909 hp), 1 shaft
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Largest operators · in service
Largest operators · in service
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Frequently Asked Questions

Which has greater displacement, the Hai Lung-class or Riachuelo-class?
The Hai Lung-class has greater displacement at 2,376 tons compared to the Riachuelo-class's 1,900 tons.
Which is longer, the Hai Lung-class or Riachuelo-class?
The Riachuelo-class is longer at 70.6 meters compared to the Hai Lung-class's 66.9 meters.
How many crew members do the Hai Lung-class and Riachuelo-class have?
The Hai Lung-class has a larger crew complement of 67 compared to the Riachuelo-class's 32 crew members.
Which can dive deeper, the Hai Lung-class or Riachuelo-class?
The Riachuelo-class can dive deeper with a maximum depth of 400 meters compared to the Hai Lung-class's 300 meters.
Which is more expensive, the Hai Lung-class or Riachuelo-class?
The Riachuelo-class is more expensive at approximately $1 billion per unit compared to the Hai Lung-class at $250 million.
Which has been built in greater numbers, the Hai Lung-class or Riachuelo-class?
The Riachuelo-class has been built in greater numbers with 3 vessels compared to 2 vessels of the Hai Lung-class.