Ethan Allen vs James Madison

American ballistic missile submarine, 7,057 tons displacement, introduced in 1961.
Profile of Ethan Allen
Origin 🇺🇸 United States
Category Submarine
Type Ballistic missile submarine
Manufacturer General Dynamics Electric Boat
Year introduced 1961
Number built 5 units
Estimated unit price NA
American submarine, introduced in 1964, displaces 7,443 tons.
Profile of James Madison
Origin 🇺🇸 United States
Category Submarine
Type Nuclear-powered ballistic missile submarine
Manufacturer General Dynamics Electric Boat
Year introduced 1964
Number built 10 units
Estimated unit price NA
Displacement 7,057 tons â—‰
Maximum speed 16.0 knots â—‰
Range 99,999 nm â—‰
Length 125.1 m â—‰
Beam 10.1 m â—‰
Crew 140 â—‰
Max depth 400 m â—‰
Propulsion 1 S5W PWR, 2 geared steam turbines (15,000 shp (11,000 kW)), 1 shaft
Armament
  • 16 Polaris A2/A3 missiles
  • 4 x 21-inch (533 mm) torpedo tubes
  • 12 torpedoes
Displacement 7,443 tons â—‰
Maximum speed 16.0 knots â—‰
Range 99,999 nm â—‰
Length 130.0 m â—‰
Beam 10.0 m â—‰
Crew 140 â—‰
Max depth 400 m â—‰
Propulsion 1 × S5W PWR, 2 geared steam turbines (15,000 shp (11,000 kW)), 1 shaft
Armament
  • 16 Polaris A3 or Poseidon C3 or Trident I C4 missiles
  • 4 × 21-inch (533 mm) torpedo tubes
  • 12 torpedoes

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Ethan Allen-class or James Madison-class?
The James Madison-class has greater displacement at 7,443 tons compared to the Ethan Allen-class's 7,057 tons.
Which is faster, the Ethan Allen-class or James Madison-class?
The James Madison-class is faster with a maximum speed of 16 knots compared to the Ethan Allen-class's 16 knots.
Which has longer range, the Ethan Allen-class or James Madison-class?
Both the Ethan Allen-class and James Madison-class are nuclear-powered and have unlimited range, limited only by food supplies and crew endurance.
Which is longer, the Ethan Allen-class or James Madison-class?
The James Madison-class is longer at 130.0 meters compared to the Ethan Allen-class's 125.1 meters.
How many crew members do the Ethan Allen-class and James Madison-class have?
The James Madison-class has a larger crew complement of 140 compared to the Ethan Allen-class's 140 crew members.
Which can dive deeper, the Ethan Allen-class or James Madison-class?
The James Madison-class can dive deeper with a maximum depth of 400 meters compared to the Ethan Allen-class's 400 meters.
Which has been built in greater numbers, the Ethan Allen-class or James Madison-class?
The James Madison-class has been built in greater numbers with 10 vessels compared to 5 vessels of the Ethan Allen-class.