Bay vs Polnocny
The Bay and the Polnocny are both Amphibious vessel classes. The Bay displaces 16,160 tons — 19:1 the Polnocny's 834 tons. The Bay reaches 18 knots vs 18 knots for the Polnocny. Operational range is 8,000 nautical miles for the Bay vs 1,000 for the Polnocny. The Bay carries a crew of 70 vs 41 for the Polnocny. The Bay was produced in 4 units vs 108 for the Polnocny. The Bay was commissioned in 2006, 39 years after the Polnocny (1967).
| British amphibious vessel, 16,160 tons displacement, propelled by Wärtsilä generators and azimuthing thrusters. | |
| Origin | 🇬🇧 United Kingdom |
| Category | Amphibious vessel |
| Type | Landing ship dock |
| Manufacturer | Swan Hunter |
| Year introduced | 2006 |
| Number built | 4 units |
| Estimated unit price | $189 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 | 16,160 tons ◉ |
| Maximum speed | 18.0 knots ◉ |
| Range | 8,000 nm at 15 knots ◉ |
| Length | 176.6 m ◉ |
| Beam | 26.4 m ◉ |
| Crew | 70 ◉ |
| Propulsion | 2 × Wärtsilä 8L26 generators, 6,000 hp (4.5 MW); 2 × Wärtsilä 12V26 generators, 9,000 hp (6.7 MW); 2 × azimuthing thrusters; 1 × bow thruster |
| 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 Bay-class or Polnocny-class?
The Bay-class has greater displacement at 16,160 tons compared to the Polnocny-class's 834 tons.
Which is faster, the Bay-class or Polnocny-class?
The Polnocny-class is faster with a maximum speed of 18 knots compared to the Bay-class's 18 knots.
Which has longer range, the Bay-class or Polnocny-class?
The Bay-class has a longer range at 8,000 nautical miles compared to the Polnocny-class's 1,000 nautical miles.
Which is longer, the Bay-class or Polnocny-class?
The Bay-class is longer at 176.6 meters compared to the Polnocny-class's 73.0 meters.
How many crew members do the Bay-class and Polnocny-class have?
The Bay-class has a larger crew complement of 70 compared to the Polnocny-class's 41 crew members.
Which has been built in greater numbers, the Bay-class or Polnocny-class?
The Polnocny-class has been built in greater numbers with 108 vessels compared to 4 vessels of the Bay-class.