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BAM vs Sirio

BAM vs Sirio at a glance — displacement 2,860 vs 1,548 tons, length 93 vs 88 m, speed 20 vs 22 knots, crew 46 vs 72.

Specifications
BAM Sirio
Origin 🇪🇸 Spain 🇮🇹 Italy
Category Patrol vessel Patrol vessel
Type Offshore patrol vessel Patrol vessel
Manufacturer Navantia Fincantieri
Year introduced 2011 2002
Number built 6 units 2 units
Estimated unit price $204 million $75 million
Displacement 2,860 tons 1,548 tons
Maximum speed 20.0 knots 22.0 knots
Range 3,500 nm at 15 knots 3,300 nm at 17 knots
Length 93.9 m 88.6 m
Beam 14.2 m 12.2 m
Crew 46 72
Performance Radar Chart
Armament & Systems
BAM Sirio
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
  • 2 × OTO Melara 25/80 guns with Oerlikon KBA 25mm
  • Provision for 1 x Oto Melara 76/62 Super Rapid gun
Propulsion 2 diesel engines, 4 groups diesel generators, 2 electric motors propellers, 1 emergency generator, 2 cross bow thruster 2 x Wärtsilä-NSD W12-V-26 XN diesel engines (4,320 kW (5,790 hp) each), 2 shaft and 2 variable-pitch propellers
Explore further
BAM-class Specs, operators & history →
Largest operators · in service
Sirio-class Specs, operators & history →
Largest operators · in service
Change comparison vs
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Frequently Asked Questions

Which has greater displacement, the BAM-class or Sirio-class?
The BAM-class has greater displacement at 2,860 tons compared to the Sirio-class's 1,548 tons.
Which is faster, the BAM-class or Sirio-class?
The Sirio-class is faster with a maximum speed of 22 knots compared to the BAM-class's 20 knots.
Which has longer range, the BAM-class or Sirio-class?
The BAM-class has a longer range at 3,500 nautical miles compared to the Sirio-class's 3,300 nautical miles.
Which is longer, the BAM-class or Sirio-class?
The BAM-class is longer at 93.9 meters compared to the Sirio-class's 88.6 meters.
How many crew members do the BAM-class and Sirio-class have?
The Sirio-class has a larger crew complement of 72 compared to the BAM-class's 46 crew members.
Which is more expensive, the BAM-class or Sirio-class?
The BAM-class is more expensive at approximately $204 million per unit compared to the Sirio-class at $75 million.
Which has been built in greater numbers, the BAM-class or Sirio-class?
The BAM-class has been built in greater numbers with 6 vessels compared to 2 vessels of the Sirio-class.