Róisín vs Sentinel
The Róisín and the Sentinel are both Patrol vessel classes. The Róisín displaces 1,500 tons — 4.2x the Sentinel's 359 tons. The Róisín reaches 23 knots vs 28 knots for the Sentinel. Operational range is 6,000 nautical miles for the Róisín vs 2,500 for the Sentinel. The Róisín carries a crew of 44 vs 24 for the Sentinel. The Róisín was produced in 2 units vs 61 for the Sentinel. The Róisín was commissioned in 1999, 13 years before the Sentinel (2012).
| 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 |
| United States Sentinel-class cutter, introduced in 2012, has a maximum speed of 28 knots and a crew of 24. | |
| Origin | 🇺🇸 United States |
| Category | Patrol vessel |
| Type | Cutter |
| Manufacturer | Bollinger Shipyards |
| Year introduced | 2012 |
| Number built | 61 units |
| Estimated unit price | $65 million |
| 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 |
|
| Displacement | 359 tons ◉ |
| Maximum speed | 28.0 knots ◉ |
| Range | 2,500 nm ◉ |
| Length | 46.8 m ◉ |
| Beam | 8.1 m ◉ |
| Crew | 24 ◉ |
| Propulsion | 2 × 4,300 kW (5,800 shp) MTU diesel engines, 1 × 75 kW (101 shp) bow thruster |
| Armament |
|
Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Róisín-class or Sentinel-class?
The Róisín-class has greater displacement at 1,500 tons compared to the Sentinel-class's 359 tons.
Which is faster, the Róisín-class or Sentinel-class?
The Sentinel-class is faster with a maximum speed of 28 knots compared to the Róisín-class's 23 knots.
Which has longer range, the Róisín-class or Sentinel-class?
The Róisín-class has a longer range at 6,000 nautical miles compared to the Sentinel-class's 2,500 nautical miles.
Which is longer, the Róisín-class or Sentinel-class?
The Róisín-class is longer at 78.8 meters compared to the Sentinel-class's 46.8 meters.
How many crew members do the Róisín-class and Sentinel-class have?
The Róisín-class has a larger crew complement of 44 compared to the Sentinel-class's 24 crew members.
Which has been built in greater numbers, the Róisín-class or Sentinel-class?
The Sentinel-class has been built in greater numbers with 61 vessels compared to 2 vessels of the Róisín-class.