Eithne vs Osa
The Eithne and the Osa are both Patrol vessel classes. The Eithne displaces 1,920 tons — 9.2x the Osa's 209 tons. The Eithne reaches 20 knots vs 42 knots for the Osa. Operational range is 12,000 nautical miles for the Eithne vs 1,800 for the Osa. The Eithne carries a crew of 86 vs 28 for the Osa. The Eithne was produced in 1 units vs 400 for the Osa. The Eithne was commissioned in 1984, 24 years after the Osa (1960).
| Irish offshore patrol vessel, 1,920 tons displacement, built by Verolme Dockyard in 1984. | |
| Origin | 🇮🇪 Ireland |
| Category | Patrol vessel |
| Type | Offshore patrol vessel |
| Manufacturer | Verolme Dockyard, Cork |
| Year introduced | 1984 |
| Number built | 1 unit |
| 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 | 1,920 tons ◉ |
| Maximum speed | 20.0 knots ◉ |
| Range | 12,000 nm at 15 knots ◉ |
| Length | 84.8 m ◉ |
| Beam | 12.0 m ◉ |
| Crew | 86 ◉ |
| Propulsion | -- |
| Armament |
|
| 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 Eithne-class or Osa-class?
The Eithne-class has greater displacement at 1,920 tons compared to the Osa-class's 209 tons.
Which is faster, the Eithne-class or Osa-class?
The Osa-class is faster with a maximum speed of 42 knots compared to the Eithne-class's 20 knots.
Which has longer range, the Eithne-class or Osa-class?
The Eithne-class has a longer range at 12,000 nautical miles compared to the Osa-class's 1,800 nautical miles.
Which is longer, the Eithne-class or Osa-class?
The Eithne-class is longer at 84.8 meters compared to the Osa-class's 38.6 meters.
How many crew members do the Eithne-class and Osa-class have?
The Eithne-class has a larger crew complement of 86 compared to the Osa-class's 28 crew members.
Which has been built in greater numbers, the Eithne-class or Osa-class?
The Osa-class has been built in greater numbers with 400 vessels compared to 1 vessels of the Eithne-class.