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Alvand vs Oliver Hazard Perry

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Specifications
Alvand Oliver Hazard Perry
Origin 🇬🇧 United Kingdom 🇺🇸 United States
Category Frigate Frigate
Type Frigate Guided-missile frigate
Manufacturer Vosper Thornycroft Bath Iron Works
Year introduced 1971 1977
Number built 4 units 71 units
Estimated unit price NA $122 million
Displacement 1,540 tons 4,165 tons
Maximum speed 39.0 knots 30.0 knots
Range 5,000 nm at 15 knots 4,500 nm at 20 knots
Length 94.5 m 136.0 m
Beam 11.1 m 14.0 m
Crew 146 176
Performance Radar Chart
Armament & Systems
Alvand Oliver Hazard Perry
Armament
  • 4 × C-802 anti-ship missiles
  • 1 × 4.5 in (114 mm) Mark 8 gun
  • 1 × twin 35 mm (1.4 in) AA guns
  • 2 × single 20 mm (0.79 in) guns
  • 2 × 81 mm (3 in) mortars
  • 2 × 0.50 cal machine guns
  • 1 × Limbo ASW mortar
  • 2 × triple 12.75 in (324 mm) torpedo tubes
  • 1 × single-arm Mk 13 Missile Launcher (40-missile magazine with SM-1MR and Harpoon missiles)
  • Mk 38 Mod 2 Machine Gun Systems
  • 2 × triple Mark 32 Anti-submarine warfare torpedo tubes (Mark 46 or Mark 50 torpedoes)
  • 1 × OTO Melara 76 mm/62 caliber naval gun
  • 1 × 20 mm Phalanx CIWS
  • 8 × Hsiung Feng II SSM or 4 HF-2 and 4 HF-3 supersonic AShM (Taiwanese vessels only)
  • 2 × Bofors 40 mm/L70 guns (Taiwanese vessels only)
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 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

Overview

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).

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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.