Deirdre vs Sentinel
The Deirdre and the Sentinel are both Patrol vessel classes. The Deirdre displaces 972 tons — 2.7x the Sentinel's 359 tons. The Deirdre reaches 18 knots vs 28 knots for the Sentinel. Operational range is 7,000 nautical miles for the Deirdre vs 2,500 for the Sentinel. The Deirdre carries a crew of 47 vs 24 for the Sentinel. The Deirdre was produced in 4 units vs 61 for the Sentinel. The Deirdre was commissioned in 1972, 40 years before the Sentinel (2012).
| 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 |
| 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 | 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 | 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 Deirdre-class or Sentinel-class?
The Deirdre-class has greater displacement at 972 tons compared to the Sentinel-class's 359 tons.
Which is faster, the Deirdre-class or Sentinel-class?
The Sentinel-class is faster with a maximum speed of 28 knots compared to the Deirdre-class's 18 knots.
Which has longer range, the Deirdre-class or Sentinel-class?
The Deirdre-class has a longer range at 7,000 nautical miles compared to the Sentinel-class's 2,500 nautical miles.
Which is longer, the Deirdre-class or Sentinel-class?
The Deirdre-class is longer at 56.1 meters compared to the Sentinel-class's 46.8 meters.
How many crew members do the Deirdre-class and Sentinel-class have?
The Deirdre-class has a larger crew complement of 47 compared to the Sentinel-class's 24 crew members.
Which has been built in greater numbers, the Deirdre-class or Sentinel-class?
The Sentinel-class has been built in greater numbers with 61 vessels compared to 4 vessels of the Deirdre-class.