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San Antonio vs Whidbey Island

San Antonio vs Whidbey Island at a glance — displacement 25,300 vs 16,100 tons, length 208 vs 186 m, speed 22 vs 20 knots, crew 361 vs 330.

Specifications
San Antonio Whidbey Island
Origin 🇺🇸 United States 🇺🇸 United States
Category Amphibious vessel Amphibious vessel
Type Amphibious transport dock Dock landing ship
Manufacturer Avondale Shipyard Lockheed Shipbuilding and Construction Company
Year introduced 2006 1985
Number built 13 units 8 units
Estimated unit price $1,602 million $250 million
Displacement 25,300 tons 16,100 tons
Maximum speed 22.0 knots 20.0 knots
Range 8,000 nm at 18 knots 8,000 nm at 18 knots
Length 208.0 m 186.0 m
Beam 32.0 m 26.0 m
Crew 361 330
Performance Radar Chart
Armament & Systems
San Antonio Whidbey Island
Armament
  • 2 x Bushmaster II close-in-guns
  • 2 x RIM-116 Rolling Airframe Missile launchers
  • 2 x 8 cell Mark 41 Vertical Launching System (not fitted)
  • Several twin M2 Browning machine gun turrets
  • 2 × 25 mm Mk 38 cannons
  • 2 × 20 mm Phalanx CIWS mounts
  • 1 / 2 × Rolling Airframe Missile launchers
  • 6 × .50 caliber M2HB machine guns
Propulsion Four sequentially turbocharged marine Colt-Pielstick diesel engines, two shafts, 41,600 shp 4 Colt Industries, 16-cylinder diesel engines, 2 shafts, 33,000 shp (25,000 kW)
Change comparison vs

Frequently Asked Questions

Which has greater displacement, the San Antonio-class or Whidbey Island-class?
The San Antonio-class has greater displacement at 25,300 tons compared to the Whidbey Island-class's 16,100 tons.
Which is faster, the San Antonio-class or Whidbey Island-class?
The San Antonio-class is faster with a maximum speed of 22 knots compared to the Whidbey Island-class's 20 knots.
Which has longer range, the San Antonio-class or Whidbey Island-class?
The Whidbey Island-class has a longer range at 8,000 nautical miles compared to the San Antonio-class's 8,000 nautical miles.
Which is longer, the San Antonio-class or Whidbey Island-class?
The San Antonio-class is longer at 208.0 meters compared to the Whidbey Island-class's 186.0 meters.
How many crew members do the San Antonio-class and Whidbey Island-class have?
The San Antonio-class has a larger crew complement of 361 compared to the Whidbey Island-class's 330 crew members.
Which is more expensive, the San Antonio-class or Whidbey Island-class?
The San Antonio-class is more expensive at approximately $1.6 billion per unit compared to the Whidbey Island-class at $250 million.
Which has been built in greater numbers, the San Antonio-class or Whidbey Island-class?
The San Antonio-class has been built in greater numbers with 13 vessels compared to 8 vessels of the Whidbey Island-class.