Harpers Ferry vs Polnocny
The Harpers Ferry and the Polnocny are both Amphibious vessel classes. The Harpers Ferry displaces 15,939 tons — 19:1 the Polnocny's 834 tons. The Harpers Ferry reaches 24 knots vs 18 knots for the Polnocny. The Harpers Ferry carries a crew of 421 vs 41 for the Polnocny. The Harpers Ferry was produced in 4 units vs 108 for the Polnocny. The Harpers Ferry was commissioned in 1995, 28 years after the Polnocny (1967).
| United States dock landing ship, 15,939 tons displacement, powered by four Colt-Pielstick diesel engines. | |
| Origin | 🇺🇸 United States |
| Category | Amphibious vessel |
| Type | Dock landing ship |
| Manufacturer | Avondale Shipyard |
| Year introduced | 1995 |
| Number built | 4 units |
| Estimated unit price | $324 million |
| Polish landing ship, tank, introduced in 1967, has a displacement of 834 tons. | |
| Origin | 🇵🇱 Poland |
| Category | Amphibious vessel |
| Type | Landing ship, tank |
| Manufacturer | Stocznia Północna |
| Year introduced | 1967 |
| Number built | 108 units |
| Estimated unit price | NA |
| Displacement | 15,939 tons ◉ |
| Maximum speed | 24.0 knots ◉ |
| Range | NA |
| Length | 185.8 m ◉ |
| Beam | 26.0 m ◉ |
| Crew | 421 ◉ |
| Propulsion | Four Colt Pielstick, 16-cylinder diesels twin turbo, two shafts, 33,000 shp (25,000 kW) |
| Armament |
|
| Displacement | 834 tons ◉ |
| Maximum speed | 18.0 knots ◉ |
| Range | 1,000 nm at 18 knots |
| Length | 73.0 m ◉ |
| Beam | 9.6 m ◉ |
| Crew | 41 ◉ |
| Propulsion | 2 Soviet Kolomna 40-D two stroke diesels, 2 shafts, 4,400 bhp |
| Armament |
|
Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Harpers Ferry-class or Polnocny-class?
The Harpers Ferry-class has greater displacement at 15,939 tons compared to the Polnocny-class's 834 tons.
Which is faster, the Harpers Ferry-class or Polnocny-class?
The Harpers Ferry-class is faster with a maximum speed of 24 knots compared to the Polnocny-class's 18 knots.
Which has longer range, the Harpers Ferry-class or Polnocny-class?
The Polnocny-class has a longer range at 1,000 nautical miles compared to the Harpers Ferry-class's 0 nautical miles.
Which is longer, the Harpers Ferry-class or Polnocny-class?
The Harpers Ferry-class is longer at 185.8 meters compared to the Polnocny-class's 73.0 meters.
How many crew members do the Harpers Ferry-class and Polnocny-class have?
The Harpers Ferry-class has a larger crew complement of 421 compared to the Polnocny-class's 41 crew members.
Which has been built in greater numbers, the Harpers Ferry-class or Polnocny-class?
The Polnocny-class has been built in greater numbers with 108 vessels compared to 4 vessels of the Harpers Ferry-class.