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Harpers Ferry vs San Antonio

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Specifications
Harpers Ferry San Antonio
Origin 🇺🇸 United States 🇺🇸 United States
Category Amphibious vessel Amphibious vessel
Type Dock landing ship Amphibious transport dock
Manufacturer Avondale Shipyard Avondale Shipyard
Year introduced 1995 2006
Number built 4 units 13 units
Estimated unit price $324 million $1,602 million
Displacement 15,939 tons 25,300 tons
Maximum speed 24.0 knots 22.0 knots
Range NA 8,000 nm at 18 knots
Length 185.8 m 208.0 m
Beam 26.0 m 32.0 m
Crew 421 361
Performance Radar Chart
Armament & Systems
Harpers Ferry San Antonio
Armament
  • 2 × 25 mm Mk 38 cannons
  • 2 × 20 mm Phalanx CIWS mounts
  • 2 × RIM-116 Rolling Airframe Missile (RAM) launchers
  • 6 × .50 caliber M2HB machine guns
  • 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
Propulsion Four Colt Pielstick, 16-cylinder diesels twin turbo, two shafts, 33,000 shp (25,000 kW) Four sequentially turbocharged marine Colt-Pielstick diesel engines, two shafts, 41,600 shp

Overview

The Harpers Ferry and the San Antonio are both Amphibious vessel classes.

Displacement is 15,939 tons for the Harpers Ferry vs 25,300 tons for the San Antonio. The Harpers Ferry reaches 24 knots vs 22 knots for the San Antonio. The Harpers Ferry carries a crew of 421 vs 361 for the San Antonio.

The Harpers Ferry was produced in 4 units vs 13 for the San Antonio. Cost per hull is $324M for the Harpers Ferry vs $1,602M for the San Antonio. The Harpers Ferry was commissioned in 1995, 11 years before the San Antonio (2006).

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Frequently Asked Questions

Which has greater displacement, the Harpers Ferry-class or San Antonio-class?
The San Antonio-class has greater displacement at 25,300 tons compared to the Harpers Ferry-class's 15,939 tons.
Which is faster, the Harpers Ferry-class or San Antonio-class?
The Harpers Ferry-class is faster with a maximum speed of 24 knots compared to the San Antonio-class's 22 knots.
Which has longer range, the Harpers Ferry-class or San Antonio-class?
The San Antonio-class has a longer range at 8,000 nautical miles compared to the Harpers Ferry-class's 0 nautical miles.
Which is longer, the Harpers Ferry-class or San Antonio-class?
The San Antonio-class is longer at 208.0 meters compared to the Harpers Ferry-class's 185.8 meters.
How many crew members do the Harpers Ferry-class and San Antonio-class have?
The Harpers Ferry-class has a larger crew complement of 421 compared to the San Antonio-class's 361 crew members.
Which is more expensive, the Harpers Ferry-class or San Antonio-class?
The San Antonio-class is more expensive at approximately $1.6 billion per unit compared to the Harpers Ferry-class at $324 million.
Which has been built in greater numbers, the Harpers Ferry-class or San Antonio-class?
The San Antonio-class has been built in greater numbers with 13 vessels compared to 4 vessels of the Harpers Ferry-class.