Deirdre vs Róisín
Overview
The Deirdre and the Róisín are both Patrol vessel classes.
Displacement is 972 tons for the Deirdre vs 1,500 tons for the Róisín. The Deirdre reaches 18 knots vs 23 knots for the Róisín. Operational range is 7,000 nautical miles for the Deirdre vs 6,000 for the Róisín. The Deirdre carries a crew of 47 vs 44 for the Róisín.
The Deirdre was produced in 4 units vs 2 for the Róisín. The Deirdre was commissioned in 1972, 27 years before the Róisín (1999).
| Irish patrol vessel, introduced in 1972, displaces 972 tons, and has a crew of 47. | |
| Origin | 🇮🇪 Ireland |
| Category | Patrol vessel |
| Type | Offshore patrol vessel |
| Manufacturer | Verolme Cork Dockyard |
| Year introduced | 1972 |
| Number built | 4 units |
| Estimated unit price | NA |
| British offshore patrol vessel, introduced in 1999, displaces 1,500 tons with a crew of 44. | |
| Origin | 🇬🇧 United Kingdom |
| Category | Patrol vessel |
| Type | Offshore patrol vessel |
| Manufacturer | Appledore Shipbuilders |
| Year introduced | 1999 |
| Number built | 2 units |
| Estimated unit price | NA |
| Displacement | 972 tons ◉ |
| Maximum speed | 18.0 knots ◉ |
| Range | 7,000 nm at 17 knots ◉ |
| Length | 56.1 m ◉ |
| Beam | 10.4 m ◉ |
| Crew | 47 ◉ |
| Propulsion | -- |
| Armament |
|
| Displacement | 1,500 tons ◉ |
| Maximum speed | 23.0 knots ◉ |
| Range | 6,000 nm ◉ |
| Length | 78.8 m ◉ |
| Beam | 14.0 m ◉ |
| Crew | 44 ◉ |
| Propulsion | 2 × Wärtsilä medium speed diesels, 2 × 5,000 kW (6,700 hp) |
| Armament |
|
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the Deirdre-class or Róisín-class?
The Róisín-class has greater displacement at 1,500 tons compared to the Deirdre-class's 972 tons.
Which is faster, the Deirdre-class or Róisín-class?
The Róisín-class is faster with a maximum speed of 23 knots compared to the Deirdre-class's 18 knots.
Which has longer range, the Deirdre-class or Róisín-class?
The Deirdre-class has a longer range at 7,000 nautical miles compared to the Róisín-class's 6,000 nautical miles.
Which is longer, the Deirdre-class or Róisín-class?
The Róisín-class is longer at 78.8 meters compared to the Deirdre-class's 56.1 meters.
How many crew members do the Deirdre-class and Róisín-class have?
The Deirdre-class has a larger crew complement of 47 compared to the Róisín-class's 44 crew members.
Which has been built in greater numbers, the Deirdre-class or Róisín-class?
The Deirdre-class has been built in greater numbers with 4 vessels compared to 2 vessels of the Róisín-class.