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Narwhal vs Swiftsure

Narwhal vs Swiftsure at a glance — displacement 5,027 vs 4,400 tons, length 95 vs 82 m, speed 20 vs 20 knots, crew 107 vs 116.

Swiftsure submarine side profile drawing
🇬🇧 Swiftsure
Specifications
Narwhal Swiftsure
Origin 🇺🇸 United States 🇬🇧 United Kingdom
Category Submarine Submarine
Type Nuclear-powered attack submarine Nuclear-powered attack submarine
Manufacturer General Dynamics Electric Boat Vickers Shipbuilding and Engineering Ltd. (VSEL)
Year introduced 1969 1973
Number built 1 unit 6 units
Estimated unit price NA NA
Displacement 5,027 tons 4,400 tons
Maximum speed 20.0 knots 20.0 knots
Range Unlimited Unlimited
Length 95.9 m 82.9 m
Beam 10.0 m 9.8 m
Crew 107 116
Max depth 400 m 300 m
Performance Radar Chart
Armament & Systems
Narwhal Swiftsure
Armament
  • 4 × 21 in (533 mm) torpedo tubes
  • SUBROC
  • Mark 37 torpedoes
  • Mark 45 torpedoes
  • Mark 48 ADCAP torpedoes
  • Mines
  • Tomahawk missiles
  • Harpoon missiles
  • 5 x 21 inch (533 mm) torpedo tubes
  • Spearfish torpedoes
  • RN Sub Harpoon missiles
  • Tomahawk missiles
Propulsion 1 × S5G pressurized water reactor; 1 × steam turbine, 17,000 shp (13,000 kW); 1 shaft Nuclear Reactor, shrouded pump-jet propulsors
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Frequently Asked Questions

Which has greater displacement, the Narwhal-class or Swiftsure-class?
The Narwhal-class has greater displacement at 5,027 tons compared to the Swiftsure-class's 4,400 tons.
Which is faster, the Narwhal-class or Swiftsure-class?
The Swiftsure-class is faster with a maximum speed of 20 knots compared to the Narwhal-class's 20 knots.
Which has longer range, the Narwhal-class or Swiftsure-class?
Both the Narwhal-class and Swiftsure-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Narwhal-class or Swiftsure-class?
The Narwhal-class is longer at 95.9 meters compared to the Swiftsure-class's 82.9 meters.
How many crew members do the Narwhal-class and Swiftsure-class have?
The Swiftsure-class has a larger crew complement of 116 compared to the Narwhal-class's 107 crew members.
Which can dive deeper, the Narwhal-class or Swiftsure-class?
The Narwhal-class can dive deeper with a maximum depth of 400 meters compared to the Swiftsure-class's 300 meters.
Which has been built in greater numbers, the Narwhal-class or Swiftsure-class?
The Swiftsure-class has been built in greater numbers with 6 vessels compared to 1 vessels of the Narwhal-class.