Osa vs Sirio
Overview
The Osa and the Sirio are both Patrol vessel classes.
The Sirio displaces 1,548 tons — 7.4x the Osa's 209 tons. The Osa reaches 42 knots vs 22 knots for the Sirio. Operational range is 1,800 nautical miles for the Osa vs 3,300 for the Sirio. The Osa carries a crew of 28 vs 72 for the Sirio.
The Osa was produced in 400 units vs 2 for the Sirio. The Osa was commissioned in 1960, 42 years before the Sirio (2002).
| Ex-USSR missile boat, introduced in 1960, reaches speeds of 42 knots, with over 400 units built. | |
| Origin | 🇨🇳 Ex-USSR |
| Category | Patrol vessel |
| Type | Missile boat |
| Manufacturer | Vostochnaya Verf |
| Year introduced | 1960 |
| Number built | 400 units |
| Estimated unit price | NA |
| Italian patrol vessel, introduced in 2002, displaces 1,548 tons and uses two Wärtsilä diesel engines. | |
| Origin | 🇮🇹 Italy |
| Category | Patrol vessel |
| Type | Patrol vessel |
| Manufacturer | Fincantieri |
| Year introduced | 2002 |
| Number built | 2 units |
| Estimated unit price | $75 million |
| Displacement | 209 tons â—‰ |
| Maximum speed | 42.0 knots â—‰ |
| Range | 1,800 nm at 500 knots â—‰ |
| Length | 38.6 m â—‰ |
| Beam | 7.6 m â—‰ |
| Crew | 28 â—‰ |
| Propulsion | 3 × 4,000 hp (3.0 MW) M-503G diesel engines (205) or 3 × 5,000 hp (3.7 MW) M-504B diesel engines (205U onwards); 3 shafts |
| Armament |
|
| Displacement | 1,548 tons â—‰ |
| Maximum speed | 22.0 knots â—‰ |
| Range | 3,300 nm at 17 knots â—‰ |
| Length | 88.6 m â—‰ |
| Beam | 12.2 m â—‰ |
| Crew | 72 â—‰ |
| Propulsion | 2 x Wärtsilä-NSD W12-V-26 XN diesel engines (4,320 kW (5,790 hp) each), 2 shaft and 2 variable-pitch propellers |
| Armament |
|
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the Osa-class or Sirio-class?
The Sirio-class has greater displacement at 1,548 tons compared to the Osa-class's 209 tons.
Which is faster, the Osa-class or Sirio-class?
The Osa-class is faster with a maximum speed of 42 knots compared to the Sirio-class's 22 knots.
Which has longer range, the Osa-class or Sirio-class?
The Sirio-class has a longer range at 3,300 nautical miles compared to the Osa-class's 1,800 nautical miles.
Which is longer, the Osa-class or Sirio-class?
The Sirio-class is longer at 88.6 meters compared to the Osa-class's 38.6 meters.
How many crew members do the Osa-class and Sirio-class have?
The Sirio-class has a larger crew complement of 72 compared to the Osa-class's 28 crew members.
Which has been built in greater numbers, the Osa-class or Sirio-class?
The Osa-class has been built in greater numbers with 400 vessels compared to 2 vessels of the Sirio-class.