Alvand vs Chi Yang
The Alvand and the Chi Yang are both Frigate classes. The Chi Yang displaces 4,130 tons — 2.7x the Alvand's 1,540 tons. The Alvand reaches 39 knots vs 27 knots for the Chi Yang. Operational range is 5,000 nautical miles for the Alvand vs 4,500 for the Chi Yang. The Alvand carries a crew of 146 vs 257 for the Chi Yang. The Alvand was produced in 4 units vs 46 for the Chi Yang. The Alvand was commissioned in 1971, 2 years after the Chi Yang (1969).
| Iranian frigate, introduced in 1971, reaches a speed of 39 knots. | |
| Origin | 🇬🇧 United Kingdom |
| Category | Frigate |
| Type | Frigate |
| Manufacturer | Vosper Thornycroft |
| Year introduced | 1971 |
| Number built | 4 units |
| Estimated unit price | NA |
| American frigate, 4,130 tons displacement, propelled by a Westinghouse steam turbine. | |
| Origin | 🇺🇸 United States |
| Category | Frigate |
| Type | Frigate |
| Manufacturer | Todd Shipyard |
| Year introduced | 1969 |
| Number built | 46 units |
| Estimated unit price | NA |
| Displacement | 1,540 tons ◉ |
| Maximum speed | 39.0 knots ◉ |
| Range | 5,000 nm at 15 knots ◉ |
| Length | 94.5 m ◉ |
| Beam | 11.1 m ◉ |
| Crew | 146 ◉ |
| Propulsion | 2 Paxman Ventura cruising diesels 3,800 bhp (2,800 kW), and 2 Rolls-Royce Olympus TM2 boost gas turbines 46,000 shp (34,000 kW) on 2 shafts |
| Armament |
|
| Displacement | 4,130 tons ◉ |
| Maximum speed | 27.0 knots ◉ |
| Range | 4,500 nm at 20 knots ◉ |
| Length | 134.0 m ◉ |
| Beam | 14.3 m ◉ |
| Crew | 257 ◉ |
| Propulsion | 1 × Westinghouse steam turbine, 2 × 1,200 psi boilers, 35,000 shp |
| Armament |
|
Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Alvand-class or Chi Yang-class?
The Chi Yang-class has greater displacement at 4,130 tons compared to the Alvand-class's 1,540 tons.
Which is faster, the Alvand-class or Chi Yang-class?
The Alvand-class is faster with a maximum speed of 39 knots compared to the Chi Yang-class's 27 knots.
Which has longer range, the Alvand-class or Chi Yang-class?
The Alvand-class has a longer range at 5,000 nautical miles compared to the Chi Yang-class's 4,500 nautical miles.
Which is longer, the Alvand-class or Chi Yang-class?
The Chi Yang-class is longer at 134.0 meters compared to the Alvand-class's 94.5 meters.
How many crew members do the Alvand-class and Chi Yang-class have?
The Chi Yang-class has a larger crew complement of 257 compared to the Alvand-class's 146 crew members.
Which has been built in greater numbers, the Alvand-class or Chi Yang-class?
The Chi Yang-class has been built in greater numbers with 46 vessels compared to 4 vessels of the Alvand-class.