Bay vs Ropucha

The Bay and the Ropucha are both Amphibious vessel classes. The Bay displaces 16,160 tons — 4.0x the Ropucha's 4,080 tons. The Bay reaches 18 knots vs 18 knots for the Ropucha. Operational range is 8,000 nautical miles for the Bay vs 6,100 for the Ropucha. The Bay carries a crew of 70 vs 98 for the Ropucha. The Bay was produced in 4 units vs 28 for the Ropucha. The Bay was commissioned in 2006, 32 years after the Ropucha (1974).

Bay

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
Ex-USSR Ropucha-class landing ship, introduced in 1974, has a displacement of 4,080 tons.
Origin 🇨🇳 Ex-USSR
Category Amphibious vessel
Type Landing ship
Manufacturer Stocznia Północna Shipyard
Year introduced 1974
Number built 28 units
Estimated unit price NA

Bay

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
  • 2 × DS30B Mk 1 30 mm guns
  • 2 × Phalanx CIWS
  • 4 × 7.62mm Mk44 Miniguns
  • 6 × 7.62mm L7 GPMG
Displacement 4,080 tons
Maximum speed 18.0 knots
Range 6,100 nm at 15 knots
Length 112.5 m
Beam 15.0 m
Crew 98
Propulsion 2 × 9,600 hp (7,200 kW) Zgoda-Sulzer 16ZVB40/48 diesel engines
Armament
  • 2 × 57 mm AK-725 double guns (Ropucha I)
  • 1 × 76 mm AK-176 (Ropucha II)
  • 2 × 30 122 mm rocket launcher A-215 Grad-M
  • Strela 2 (SA-N-5) surface-to-air missile system (4 launchers)
  • 2 × 30 mm AK-630 six-barreled gatling guns (Ropucha II)

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Bay-class or Ropucha-class?
The Bay-class has greater displacement at 16,160 tons compared to the Ropucha-class's 4,080 tons.
Which is faster, the Bay-class or Ropucha-class?
The Ropucha-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 Ropucha-class?
The Bay-class has a longer range at 8,000 nautical miles compared to the Ropucha-class's 6,100 nautical miles.
Which is longer, the Bay-class or Ropucha-class?
The Bay-class is longer at 176.6 meters compared to the Ropucha-class's 112.5 meters.
How many crew members do the Bay-class and Ropucha-class have?
The Ropucha-class has a larger crew complement of 98 compared to the Bay-class's 70 crew members.
Which has been built in greater numbers, the Bay-class or Ropucha-class?
The Ropucha-class has been built in greater numbers with 28 vessels compared to 4 vessels of the Bay-class.