Reliance vs Viana do Castelo
Overview
The Reliance and the Viana do Castelo are both Patrol vessel classes.
Displacement is 1,829 tons for the Reliance vs 1,850 tons for the Viana do Castelo. The Reliance reaches 19 knots vs 21 knots for the Viana do Castelo. The Reliance carries a crew of 100 vs 35 for the Viana do Castelo.
The Reliance was produced in 13 units vs 4 for the Viana do Castelo. The Reliance was commissioned in 1983, 27 years before the Viana do Castelo (2010).
| United States patrol vessel, introduced in 1983, is propelled by two ALCO V-18 diesel engines. | |
| Origin | 🇺🇸 United States |
| Category | Patrol vessel |
| Type | Medium endurance cutter |
| Manufacturer | Robert Derecktor Shipyard Inc. |
| Year introduced | 1983 |
| Number built | 13 units |
| Estimated unit price | NA |
| Portuguese offshore patrol vessel, introduced in 2010, displaces 1,850 tons and has a crew of 35. | |
| Origin | 🇵🇹 Portugal |
| Category | Patrol vessel |
| Type | Offshore patrol vessel |
| Manufacturer | Estaleiros Navais de Viana do Castelo |
| Year introduced | 2010 |
| Number built | 4 units |
| Estimated unit price | NA |
| Displacement | 1,829 tons ◉ |
| Maximum speed | 19.0 knots ◉ |
| Range | 9,900 nm |
| Length | 82.0 m ◉ |
| Beam | 12.0 m ◉ |
| Crew | 100 ◉ |
| Propulsion | 2 × turbo-charged ALCO V-18 diesel engines; 2 × 9-foot-diameter controllable pitch propellers |
| Armament |
|
| Displacement | 1,850 tons ◉ |
| Maximum speed | 21.0 knots ◉ |
| Range | NA |
| Length | 83.1 m ◉ |
| Beam | 13.0 m ◉ |
| Crew | 35 ◉ |
| Propulsion | 2 x Wärtsilä diesel engines (3,900 kW (5,200 hp) each), 2 electric engines (200 kW (270 hp) each) |
| Armament |
|
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which has greater displacement, the Reliance-class or Viana do Castelo-class?
The Viana do Castelo-class has greater displacement at 1,850 tons compared to the Reliance-class's 1,829 tons.
Which is faster, the Reliance-class or Viana do Castelo-class?
The Viana do Castelo-class is faster with a maximum speed of 21 knots compared to the Reliance-class's 19 knots.
Which has longer range, the Reliance-class or Viana do Castelo-class?
The Reliance-class has a longer range at 9,900 nautical miles compared to the Viana do Castelo-class's 0 nautical miles.
Which is longer, the Reliance-class or Viana do Castelo-class?
The Viana do Castelo-class is longer at 83.1 meters compared to the Reliance-class's 82.0 meters.
How many crew members do the Reliance-class and Viana do Castelo-class have?
The Reliance-class has a larger crew complement of 100 compared to the Viana do Castelo-class's 35 crew members.
Which has been built in greater numbers, the Reliance-class or Viana do Castelo-class?
The Reliance-class has been built in greater numbers with 13 vessels compared to 4 vessels of the Viana do Castelo-class.