Cassiopea vs Sentinel

The Cassiopea and the Sentinel are both Patrol vessel classes. The Cassiopea displaces 1,500 tons — 4.2x the Sentinel's 359 tons. The Cassiopea reaches 21 knots vs 28 knots for the Sentinel. Operational range is 3,300 nautical miles for the Cassiopea vs 2,500 for the Sentinel. The Cassiopea carries a crew of 60 vs 24 for the Sentinel. The Cassiopea was produced in 4 units vs 61 for the Sentinel. The Cassiopea was commissioned in 1989, 23 years before the Sentinel (2012).

Italian patrol vessel, introduced in 1989, has a 1,500 tons displacement and a crew of 60.
Origin 🇮🇹 Italy
Category Patrol vessel
Type Patrol vessel
Manufacturer Fincantieri
Year introduced 1989
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 1,500 tons
Maximum speed 21.0 knots
Range 3,300 nm at 17 knots
Length 79.8 m
Beam 11.8 m
Crew 60
Propulsion 2 x shafts, 2 x diesel engines Grandi Motori Trieste BL-230.16 propulsion diesels 5.84 kW (7.83 bhp), 3 x diesel engine generators Isotta Fraschini ID 36SS6V, 1 x diesel engine generator Isotta Fraschini VM-V6130T for emergency
Armament
  • 1 × OTO Melara 76/62mm Allargato gun
  • 2 × OTO Melara 25/80 guns with Oerlikon KBA 25 mm
  • 2 × 7,62 mm MG 42/59 machine guns
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
  • 1 × Mk 38 Mod 2 25 mm machine gun system
  • 4 × crew-served Browning M2 machine guns

Performance Radar Chart

Frequently Asked Questions

Which has greater displacement, the Cassiopea-class or Sentinel-class?
The Cassiopea-class has greater displacement at 1,500 tons compared to the Sentinel-class's 359 tons.
Which is faster, the Cassiopea-class or Sentinel-class?
The Sentinel-class is faster with a maximum speed of 28 knots compared to the Cassiopea-class's 21 knots.
Which has longer range, the Cassiopea-class or Sentinel-class?
The Cassiopea-class has a longer range at 3,300 nautical miles compared to the Sentinel-class's 2,500 nautical miles.
Which is longer, the Cassiopea-class or Sentinel-class?
The Cassiopea-class is longer at 79.8 meters compared to the Sentinel-class's 46.8 meters.
How many crew members do the Cassiopea-class and Sentinel-class have?
The Cassiopea-class has a larger crew complement of 60 compared to the Sentinel-class's 24 crew members.
Which has been built in greater numbers, the Cassiopea-class or Sentinel-class?
The Sentinel-class has been built in greater numbers with 61 vessels compared to 4 vessels of the Cassiopea-class.