Sentinel vs Sirio
Overview
The Sentinel and the Sirio are both Patrol vessel classes.
The Sirio displaces 1,548 tons — 4.3x the Sentinel's 359 tons. The Sentinel reaches 28 knots vs 22 knots for the Sirio. Operational range is 2,500 nautical miles for the Sentinel vs 3,300 for the Sirio. The Sentinel carries a crew of 24 vs 72 for the Sirio.
The Sentinel was produced in 61 units vs 2 for the Sirio. Cost per hull is $65M for the Sentinel vs $75M for the Sirio. The Sentinel was commissioned in 2012, 10 years after the Sirio (2002).
| 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 |
| Italian patrol vessel, introduced in 2002, displaces 1,548 tons and uses two Wärtsilä diesel engines. | |
| Origin | 🇮🇹 Italy |
| Category | Patrol vessel |
| Type | Patrol vessel |
| Manufacturer | Fincantieri |
| Year introduced | 2002 |
| Number built | 2 units |
| Estimated unit price | $75 million |
| Displacement | 359 tons â—‰ |
| Maximum speed | 28.0 knots â—‰ |
| Range | 2,500 nm â—‰ |
| Length | 46.8 m â—‰ |
| Beam | 8.1 m â—‰ |
| Crew | 24 â—‰ |
| Propulsion | 2 × 4,300 kW (5,800 shp) MTU diesel engines, 1 × 75 kW (101 shp) bow thruster |
| Armament |
|
| Displacement | 1,548 tons â—‰ |
| Maximum speed | 22.0 knots â—‰ |
| Range | 3,300 nm at 17 knots â—‰ |
| Length | 88.6 m â—‰ |
| Beam | 12.2 m â—‰ |
| Crew | 72 â—‰ |
| Propulsion | 2 x Wärtsilä-NSD W12-V-26 XN diesel engines (4,320 kW (5,790 hp) each), 2 shaft and 2 variable-pitch propellers |
| Armament |
|
Performance Radar Chart
Detailed Comparison
Loading analysis...
Generating comparison analysis...
Unable to generate comparison at this time.
Frequently Asked Questions
Which has greater displacement, the Sentinel-class or Sirio-class?
The Sirio-class has greater displacement at 1,548 tons compared to the Sentinel-class's 359 tons.
Which is faster, the Sentinel-class or Sirio-class?
The Sentinel-class is faster with a maximum speed of 28 knots compared to the Sirio-class's 22 knots.
Which has longer range, the Sentinel-class or Sirio-class?
The Sirio-class has a longer range at 3,300 nautical miles compared to the Sentinel-class's 2,500 nautical miles.
Which is longer, the Sentinel-class or Sirio-class?
The Sirio-class is longer at 88.6 meters compared to the Sentinel-class's 46.8 meters.
How many crew members do the Sentinel-class and Sirio-class have?
The Sirio-class has a larger crew complement of 72 compared to the Sentinel-class's 24 crew members.
Which is more expensive, the Sentinel-class or Sirio-class?
The Sirio-class is more expensive at approximately $75 million per unit compared to the Sentinel-class at $65 million.
Which has been built in greater numbers, the Sentinel-class or Sirio-class?
The Sentinel-class has been built in greater numbers with 61 vessels compared to 2 vessels of the Sirio-class.