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Austin vs Iwo Jima

Austin vs Iwo Jima at a glance — displacement 16,914 vs 18,474 tons, length 173 vs 180 m, speed 21 vs 22 knots, crew 420 vs 667.

Specifications
Austin Iwo Jima
Origin 🇺🇸 United States 🇺🇸 United States
Category Amphibious vessel Amphibious vessel
Type Amphibious transport dock Amphibious assault ship
Manufacturer New York Naval Shipyard Puget Sound Naval Shipyard
Year introduced 1965 1961
Number built 12 units 7 units
Estimated unit price $235 million NA
Displacement 16,914 tons 18,474 tons
Maximum speed 21.0 knots 22.0 knots
Range 7,000 nm at 20 knots 11,000 nm
Length 173.0 m 180.0 m
Beam 32.0 m 26.0 m
Crew 420 667
Performance Radar Chart
Armament & Systems
Austin Iwo Jima
Armament
  • 2 × 25 mm Mk 38 guns
  • 2 × Phalanx CIWS
  • 8 × .50-calibre machine guns
  • 2 × 2 3-inch (76 mm) / 50-caliber DP guns
  • 8 cell Sea Sparrow BPDMS launchers
  • 2 × Phalanx CIWS
Propulsion 2 × boilers, 2 × steam turbines, 2 × shafts, 24,000 shp (18,000 kW) 2 × 600 psi (4.1 MPa) boilers, one geared steam turbine, one shaft, 22,000 shaft horsepower (16 MW)
Explore further
Austin-class Specs, operators & history →
Largest operators · in service
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Frequently Asked Questions

Which has greater displacement, the Austin-class or Iwo Jima-class?
The Iwo Jima-class has greater displacement at 18,474 tons compared to the Austin-class's 16,914 tons.
Which is faster, the Austin-class or Iwo Jima-class?
The Iwo Jima-class is faster with a maximum speed of 22 knots compared to the Austin-class's 21 knots.
Which has longer range, the Austin-class or Iwo Jima-class?
The Iwo Jima-class has a longer range at 11,000 nautical miles compared to the Austin-class's 7,000 nautical miles.
Which is longer, the Austin-class or Iwo Jima-class?
The Iwo Jima-class is longer at 180.0 meters compared to the Austin-class's 173.0 meters.
How many crew members do the Austin-class and Iwo Jima-class have?
The Iwo Jima-class has a larger crew complement of 667 compared to the Austin-class's 420 crew members.
Which has been built in greater numbers, the Austin-class or Iwo Jima-class?
The Austin-class has been built in greater numbers with 12 vessels compared to 7 vessels of the Iwo Jima-class.