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Deirdre vs Estienne d’Orves

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Specifications
Deirdre Estienne d’Orves
Origin 🇮🇪 Ireland 🇫🇷 France
Category Patrol vessel Frigate
Type Offshore patrol vessel Aviso
Manufacturer Verolme Cork Dockyard Arsenal de Lorient
Year introduced 1972 1976
Number built 4 units 20 units
Estimated unit price NA NA
Displacement 972 tons 1,100 tons
Maximum speed 18.0 knots 23.0 knots
Range 7,000 nm at 17 knots 4,500 nm at 15 knots
Length 56.1 m 80.0 m
Beam 10.4 m 10.3 m
Crew 47 90
Performance Radar Chart
Armament & Systems
Deirdre Estienne d’Orves
Armament
  • 1 × 40 mm/60 Bofors
  • 2 × 12.7 mm machine guns
  • 2 Exocet MM38 SSMs
  • 1 x 100 mm CADAM gun turret
  • 2 x 20 mm modèle F2 guns
  • 4 x 12.7 mm machine guns
  • 4 x L3 or L5 type torpedoes
  • 1 x sextuple Bofors 375 mm rocket launcher
Propulsion -- 2 SEMT Pielstick 12 PC 2 V400 diesel engines, 8,900 kW (12,000 bhp), 2 shafts

Overview

The Deirdre is a Patrol vessel, while the Estienne d’Orves is a Frigate.

Displacement is 972 tons for the Deirdre vs 1,100 tons for the Estienne d’Orves. The Deirdre reaches 18 knots vs 23 knots for the Estienne d’Orves. Operational range is 7,000 nautical miles for the Deirdre vs 4,500 for the Estienne d’Orves. The Deirdre carries a crew of 47 vs 90 for the Estienne d’Orves.

The Deirdre was produced in 4 units vs 20 for the Estienne d’Orves. The Deirdre was commissioned in 1972, 4 years before the Estienne d’Orves (1976).

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Frequently Asked Questions

Which has greater displacement, the Deirdre-class or Estienne d’Orves-class?
The Estienne d’Orves-class has greater displacement at 1,100 tons compared to the Deirdre-class's 972 tons.
Which is faster, the Deirdre-class or Estienne d’Orves-class?
The Estienne d’Orves-class is faster with a maximum speed of 23 knots compared to the Deirdre-class's 18 knots.
Which has longer range, the Deirdre-class or Estienne d’Orves-class?
The Deirdre-class has a longer range at 7,000 nautical miles compared to the Estienne d’Orves-class's 4,500 nautical miles.
Which is longer, the Deirdre-class or Estienne d’Orves-class?
The Estienne d’Orves-class is longer at 80.0 meters compared to the Deirdre-class's 56.1 meters.
How many crew members do the Deirdre-class and Estienne d’Orves-class have?
The Estienne d’Orves-class has a larger crew complement of 90 compared to the Deirdre-class's 47 crew members.
Which has been built in greater numbers, the Deirdre-class or Estienne d’Orves-class?
The Estienne d’Orves-class has been built in greater numbers with 20 vessels compared to 4 vessels of the Deirdre-class.