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BAM vs Viana do Castelo

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Specifications
BAM Viana do Castelo
Origin 🇪🇸 Spain 🇵🇹 Portugal
Category Patrol vessel Patrol vessel
Type Offshore patrol vessel Offshore patrol vessel
Manufacturer Navantia Estaleiros Navais de Viana do Castelo
Year introduced 2011 2010
Number built 6 units 4 units
Estimated unit price $204 million NA
Displacement 2,860 tons 1,850 tons
Maximum speed 20.0 knots 21.0 knots
Range 3,500 nm at 15 knots NA
Length 93.9 m 83.1 m
Beam 14.2 m 13.0 m
Crew 46 35
Performance Radar Chart
Armament & Systems
BAM Viana do Castelo
Armament
  • 1 × OTO Melara 76 mm
  • 2 × 25 mm automatic mountings Mk 38 MOD 2A
  • 2 × 12.7 mm machine guns M2 Browning
  • 4 × Mark 36 SRBOC
  • 1 × 30 mm Oto Melara Marlin WS
  • 2 × M2 Browning machine gun
  • 2 x MG 3 machine gun
  • 2 x launching systems for MK55 Mod 2 mines
  • 1 x Mark 32 torpedo tube
  • 2 x Protector RWS
Propulsion 2 diesel engines, 4 groups diesel generators, 2 electric motors propellers, 1 emergency generator, 2 cross bow thruster 2 x Wärtsilä diesel engines (3,900 kW (5,200 hp) each), 2 electric engines (200 kW (270 hp) each)

Overview

The BAM and the Viana do Castelo are both Patrol vessel classes.

Displacement is 2,860 tons for the BAM vs 1,850 tons for the Viana do Castelo. The BAM reaches 20 knots vs 21 knots for the Viana do Castelo. The BAM carries a crew of 46 vs 35 for the Viana do Castelo.

The BAM was produced in 6 units vs 4 for the Viana do Castelo. The BAM was commissioned in 2011, 1 years after the Viana do Castelo (2010).

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Frequently Asked Questions

Which has greater displacement, the BAM-class or Viana do Castelo-class?
The BAM-class has greater displacement at 2,860 tons compared to the Viana do Castelo-class's 1,850 tons.
Which is faster, the BAM-class or Viana do Castelo-class?
The Viana do Castelo-class is faster with a maximum speed of 21 knots compared to the BAM-class's 20 knots.
Which has longer range, the BAM-class or Viana do Castelo-class?
The BAM-class has a longer range at 3,500 nautical miles compared to the Viana do Castelo-class's 0 nautical miles.
Which is longer, the BAM-class or Viana do Castelo-class?
The BAM-class is longer at 93.9 meters compared to the Viana do Castelo-class's 83.1 meters.
How many crew members do the BAM-class and Viana do Castelo-class have?
The BAM-class has a larger crew complement of 46 compared to the Viana do Castelo-class's 35 crew members.
Which has been built in greater numbers, the BAM-class or Viana do Castelo-class?
The BAM-class has been built in greater numbers with 6 vessels compared to 4 vessels of the Viana do Castelo-class.