Hydra vs Riga
The Hydra and the Riga are both Frigate classes. The Hydra displaces 4,000 tons — 2.8x the Riga's 1,416 tons. The Hydra reaches 31 knots vs 28 knots for the Riga. Operational range is 4,100 nautical miles for the Hydra vs 1,950 for the Riga. The Hydra carries a crew of 173 vs 175 for the Riga. The Hydra was produced in 4 units vs 69 for the Riga. The Hydra was commissioned in 1992, 38 years after the Riga (1954).
| Displacement | 4,000 tons ◉ |
| Maximum speed | 31.0 knots ◉ |
| Range | 4,100 nm at 18 knots ◉ |
| Length | 117.5 m ◉ |
| Beam | 14.8 m ◉ |
| Crew | 173 ◉ |
| Propulsion | 2 shaft CODOG, controllable pitch propellers, 2 General Electric LM2500 gas turbines 60,656 hp (45,231 kW), 2 MTU 20V 956 diesel engines, 10,040 hp (7,490 kW) |
| Armament |
|
| Displacement | 1,416 tons ◉ |
| Maximum speed | 28.0 knots ◉ |
| Range | 1,950 nm at 14 knots ◉ |
| Length | 91.0 m ◉ |
| Beam | 10.2 m ◉ |
| Crew | 175 ◉ |
| Propulsion | 2 × shaft steam turbines, 2 × boilers; 21,000 hp (16,000 kW) |
| Armament |
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Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Hydra-class or Riga-class?
The Hydra-class has greater displacement at 4,000 tons compared to the Riga-class's 1,416 tons.
Which is faster, the Hydra-class or Riga-class?
The Hydra-class is faster with a maximum speed of 31 knots compared to the Riga-class's 28 knots.
Which has longer range, the Hydra-class or Riga-class?
The Hydra-class has a longer range at 4,100 nautical miles compared to the Riga-class's 1,950 nautical miles.
Which is longer, the Hydra-class or Riga-class?
The Hydra-class is longer at 117.5 meters compared to the Riga-class's 91.0 meters.
How many crew members do the Hydra-class and Riga-class have?
The Riga-class has a larger crew complement of 175 compared to the Hydra-class's 173 crew members.
Which has been built in greater numbers, the Hydra-class or Riga-class?
The Riga-class has been built in greater numbers with 69 vessels compared to 4 vessels of the Hydra-class.