Aist vs Bay
The Aist and the Bay are both Amphibious vessel classes. The Bay displaces 16,160 tons — 53:1 the Aist's 303 tons. The Aist reaches 70 knots vs 18 knots for the Bay. Operational range is 120 nautical miles for the Aist vs 8,000 for the Bay. The Aist carries a crew of 15 vs 70 for the Bay. The Aist was produced in 20 units vs 4 for the Bay. The Aist was commissioned in 1975, 31 years before the Bay (2006).
| Ex-USSR amphibious landing craft, introduced in 1975, reaches speeds of 70 knots using gas turbine propulsion. | |
| Origin | 🇨🇳 Ex-USSR |
| Category | Amphibious vessel |
| Type | Air-cushioned landing craft |
| Manufacturer | Almaz Shipbuilding Company |
| Year introduced | 1975 |
| Number built | 20 units |
| Estimated unit price | NA |
| 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 |
| Displacement | 303 tons ◉ |
| Maximum speed | 70.0 knots ◉ |
| Range | 120 nm at 50 knots ◉ |
| Length | 47.3 m ◉ |
| Beam | 17.8 m ◉ |
| Crew | 15 ◉ |
| Propulsion | 2 × 9,600 hp (7.2 MW) DT-4 Kuznetsov NK-12MV gas turbines driving 4 axial lift fans and 4 propeller units (4 × four-bladed variable-pitch propellers, 2 pusher, 2 tractor) |
| Armament |
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| 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 |
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Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Aist-class or Bay-class?
The Bay-class has greater displacement at 16,160 tons compared to the Aist-class's 303 tons.
Which is faster, the Aist-class or Bay-class?
The Aist-class is faster with a maximum speed of 70 knots compared to the Bay-class's 18 knots.
Which has longer range, the Aist-class or Bay-class?
The Bay-class has a longer range at 8,000 nautical miles compared to the Aist-class's 120 nautical miles.
Which is longer, the Aist-class or Bay-class?
The Bay-class is longer at 176.6 meters compared to the Aist-class's 47.3 meters.
How many crew members do the Aist-class and Bay-class have?
The Bay-class has a larger crew complement of 70 compared to the Aist-class's 15 crew members.
Which has been built in greater numbers, the Aist-class or Bay-class?
The Aist-class has been built in greater numbers with 20 vessels compared to 4 vessels of the Bay-class.