Cassiopea vs Osa
The Cassiopea and the Osa are both Patrol vessel classes. The Cassiopea displaces 1,500 tons — 7.2x the Osa's 209 tons. The Cassiopea reaches 21 knots vs 42 knots for the Osa. Operational range is 3,300 nautical miles for the Cassiopea vs 1,800 for the Osa. The Cassiopea carries a crew of 60 vs 28 for the Osa. The Cassiopea was produced in 4 units vs 400 for the Osa. The Cassiopea was commissioned in 1989, 29 years after the Osa (1960).
| Italian patrol vessel, introduced in 1989, has a 1,500 tons displacement and a crew of 60. | |
| Origin | 🇮🇹 Italy |
| Category | Patrol vessel |
| Type | Patrol vessel |
| Manufacturer | Fincantieri |
| Year introduced | 1989 |
| Number built | 4 units |
| Estimated unit price | NA |
| 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 |
| Displacement | 1,500 tons ◉ |
| Maximum speed | 21.0 knots ◉ |
| Range | 3,300 nm at 17 knots ◉ |
| Length | 79.8 m ◉ |
| Beam | 11.8 m ◉ |
| Crew | 60 ◉ |
| Propulsion | 2 x shafts, 2 x diesel engines Grandi Motori Trieste BL-230.16 propulsion diesels 5.84 kW (7.83 bhp), 3 x diesel engine generators Isotta Fraschini ID 36SS6V, 1 x diesel engine generator Isotta Fraschini VM-V6130T for emergency |
| Armament |
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| Displacement | 209 tons ◉ |
| Maximum speed | 42.0 knots ◉ |
| Range | 1,800 nm at 500 knots ◉ |
| Length | 38.6 m ◉ |
| Beam | 7.6 m ◉ |
| Crew | 28 ◉ |
| 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 |
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Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Cassiopea-class or Osa-class?
The Cassiopea-class has greater displacement at 1,500 tons compared to the Osa-class's 209 tons.
Which is faster, the Cassiopea-class or Osa-class?
The Osa-class is faster with a maximum speed of 42 knots compared to the Cassiopea-class's 21 knots.
Which has longer range, the Cassiopea-class or Osa-class?
The Cassiopea-class has a longer range at 3,300 nautical miles compared to the Osa-class's 1,800 nautical miles.
Which is longer, the Cassiopea-class or Osa-class?
The Cassiopea-class is longer at 79.8 meters compared to the Osa-class's 38.6 meters.
How many crew members do the Cassiopea-class and Osa-class have?
The Cassiopea-class has a larger crew complement of 60 compared to the Osa-class's 28 crew members.
Which has been built in greater numbers, the Cassiopea-class or Osa-class?
The Osa-class has been built in greater numbers with 400 vessels compared to 4 vessels of the Cassiopea-class.