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Harpers Ferry vs Whidbey Island

Harpers Ferry vs Whidbey Island at a glance — displacement 15,939 vs 16,100 tons, length 185 vs 186 m, speed 24 vs 20 knots, crew 421 vs 330.

Specifications
Harpers Ferry Whidbey Island
Origin 🇺🇸 United States 🇺🇸 United States
Category Amphibious vessel Amphibious vessel
Type Dock landing ship Dock landing ship
Manufacturer Avondale Shipyard Lockheed Shipbuilding and Construction Company
Year introduced 1995 1985
Number built 4 units 8 units
Estimated unit price $324 million $250 million
Displacement 15,939 tons 16,100 tons
Maximum speed 24.0 knots 20.0 knots
Range NA 8,000 nm at 18 knots
Length 185.8 m 186.0 m
Beam 26.0 m 26.0 m
Crew 421 330
Performance Radar Chart
Armament & Systems
Harpers Ferry Whidbey Island
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 × 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 Colt Pielstick, 16-cylinder diesels twin turbo, two shafts, 33,000 shp (25,000 kW) 4 Colt Industries, 16-cylinder diesel engines, 2 shafts, 33,000 shp (25,000 kW)
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Frequently Asked Questions

Which has greater displacement, the Harpers Ferry-class or Whidbey Island-class?
The Whidbey Island-class has greater displacement at 16,100 tons compared to the Harpers Ferry-class's 15,939 tons.
Which is faster, the Harpers Ferry-class or Whidbey Island-class?
The Harpers Ferry-class is faster with a maximum speed of 24 knots compared to the Whidbey Island-class's 20 knots.
Which has longer range, the Harpers Ferry-class or Whidbey Island-class?
The Whidbey Island-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 Whidbey Island-class?
The Whidbey Island-class is longer at 186.0 meters compared to the Harpers Ferry-class's 185.8 meters.
How many crew members do the Harpers Ferry-class and Whidbey Island-class have?
The Harpers Ferry-class has a larger crew complement of 421 compared to the Whidbey Island-class's 330 crew members.
Which is more expensive, the Harpers Ferry-class or Whidbey Island-class?
The Harpers Ferry-class is more expensive at approximately $324 million per unit compared to the Whidbey Island-class at $250 million.
Which has been built in greater numbers, the Harpers Ferry-class or Whidbey Island-class?
The Whidbey Island-class has been built in greater numbers with 8 vessels compared to 4 vessels of the Harpers Ferry-class.