Alvand vs Oliver Hazard Perry
The Alvand and the Oliver Hazard Perry are both Frigate classes. The Oliver Hazard Perry displaces 4,165 tons — 2.7x the Alvand's 1,540 tons. The Alvand reaches 39 knots vs 30 knots for the Oliver Hazard Perry. Operational range is 5,000 nautical miles for the Alvand vs 4,500 for the Oliver Hazard Perry. The Alvand carries a crew of 146 vs 176 for the Oliver Hazard Perry. The Alvand was produced in 4 units vs 71 for the Oliver Hazard Perry. The Alvand was commissioned in 1971, 6 years before the Oliver Hazard Perry (1977).
| 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 |
| United States frigate, introduced in 1977, uses gas turbines to reach a speed of 30 knots. | |
| Origin | 🇺🇸 United States |
| Category | Frigate |
| Type | Guided-missile frigate |
| Manufacturer | Bath Iron Works |
| Year introduced | 1977 |
| Number built | 71 units |
| Estimated unit price | $122 million |
| 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 |
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| Displacement | 4,165 tons ◉ |
| Maximum speed | 30.0 knots ◉ |
| Range | 4,500 nm at 20 knots ◉ |
| Length | 136.0 m ◉ |
| Beam | 14.0 m ◉ |
| Crew | 176 ◉ |
| Propulsion | 2 × General Electric LM2500-30 gas turbines generating 41,000 shp (31 MW) through a single shaft and variable pitch propeller; 2 × Auxiliary Propulsion Units, 350 hp (260 kW) retractable electric azimuth thrusters |
| Armament |
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Performance Radar Chart
Frequently Asked Questions
Which has greater displacement, the Alvand-class or Oliver Hazard Perry-class?
The Oliver Hazard Perry-class has greater displacement at 4,165 tons compared to the Alvand-class's 1,540 tons.
Which is faster, the Alvand-class or Oliver Hazard Perry-class?
The Alvand-class is faster with a maximum speed of 39 knots compared to the Oliver Hazard Perry-class's 30 knots.
Which has longer range, the Alvand-class or Oliver Hazard Perry-class?
The Alvand-class has a longer range at 5,000 nautical miles compared to the Oliver Hazard Perry-class's 4,500 nautical miles.
Which is longer, the Alvand-class or Oliver Hazard Perry-class?
The Oliver Hazard Perry-class is longer at 136.0 meters compared to the Alvand-class's 94.5 meters.
How many crew members do the Alvand-class and Oliver Hazard Perry-class have?
The Oliver Hazard Perry-class has a larger crew complement of 176 compared to the Alvand-class's 146 crew members.
Which has been built in greater numbers, the Alvand-class or Oliver Hazard Perry-class?
The Oliver Hazard Perry-class has been built in greater numbers with 71 vessels compared to 4 vessels of the Alvand-class.