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Iroquois-class destroyer
Photo: U.S. Navy photo by Photographer's Mate 2nd Class Jayme Pastoric · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
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Iroquois-classdestroyer

Destroyers · Canada · 1970
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Iroquois-classdestroyer

Iroquois-class destroyer
Iroquois-class destroyer Photo: U.S. Navy photo by Photographer's Mate 2nd Class Jayme Pastoric · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
* Absolute score — assessed within category · no era adjustment
Firepower
65
Air Defence
55
ASW Capability
70
Sensors
60
Survivability
75
Versatility
80
Endurance
70
Aviation
90
Technology
60
Cost-Effectiveness
75
Origin Canada
ManufacturerMarine Industries Limited
CategoryDestroyers
EraCold War
In service1970–1973
Operators1 countries
Quantity4
Data Quality85%
MASS(Military Archive Scoring System)
68
Destroyers MASS Rating
14/43
Cold War
54/478
All-Time
Destroyers · 10 axes scored
Firepower
65
Air Defence
55
ASW Capability
70
Sensors
60
Survivability
75
Versatility
80
Endurance
70
Aviation
90
Technology
60
Cost-Effectiveness
75
ⓘ Regardless of era, the same scoring system applies to all units in the destroyers category.
01 / Overview
Iroquois-class destroyer
Category
Country
Production
1970–1973
Quantity
4
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
DESTROYERS · COLD WAR
14
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
68
destroyers category
ⓘ Performance/Price and MASS score are computed across all units in the destroyers category, regardless of era.
02 / Specs & Design
◎Identification8MOD.8
  • Hull ClassificationDDH 280 class
  • Ship TypeHelicopter destroyer (DDH)
  • Builder / ShipyardMarine Industries Ltd. and Davie Shipbuilding
  • Laid Down1969
  • Launched1970
  • Commissioned1972
  • Ships in Class4
  • In ServiceYes
◈Displacement2MOD.2
  • Light Displacement4,400 t
  • Full Load Displacement5,100 t
▣Dimensions4MOD.4
  • Length (overall)130 m
  • Length (waterline)121 m
  • Beam15 m
  • Draft4 m
◇Complement1MOD.1
  • Total Complement280
◆Propulsion8MOD.8
  • PropulsionCOGOG
  • Arrangement (CODAG/COGAG…)COGOG with 2 shafts and 5-bladed controllable pitch propellers
  • Number of Engines4
  • Shaft Power3 kW
  • Shafts / Screws2
  • Top Speed29 kn
  • Range4,500
  • Nuclear-PoweredNo
▤Gun Armament5MOD.5
  • Main GunOTO Melara 127/54 Compact
  • Main Gun Calibre127 mm
  • Main Gun Count1
  • Secondary Guns76 mm OTO Melara after TRUMP
  • CIWSPhalanx CIWS (Block 1B)
⬢Missile Armament6MOD.6
▲Underwater Warfare4MOD.4
◎Aviation3MOD.3
◈Sensors & Combat Systems7MOD.7
  • Air-Search RadarRCA & Signaal AN/SPS-501, Signaal LW-08 (AN/SPQ-502)
  • Surface / Fire-Control RadarSMA-Segnalamento marittimo ed aereo AN/SPQ-2D, Signaal DA-08 (AN/SPQ-501)
  • Phased-Array RadarNo
  • Combat SystemSignaal WM-22 STIR, Signaal WM-25 (AN/SPG-501) STIR, Signaal LIROD
  • Aegis / EquivalentNo
  • Electronic WarfareYes
  • Decoy LaunchersCorvus chaff launcher, GEC Shield, Nulka, AN/SLQ-25 Nixie
▣Survivability5MOD.5
◇Fleet Status3MOD.3
  • Completed4
  • Lost1
  • Retired4
◆Armour1MOD.1
  • Armournone
03 / History
SERVICE LIFESPANStill in Service
  1. 1970Production started
  2. 1973Production ended
  3. 1990First deployment: Gulf War
56
years in service
3
years in production
4
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE9terms
Anti-Submarine Warfare. Capability to detect, track, and engage submarines.
Automated Damage Control is a shipboard system that detects, assesses, and mitigates combat damage on aircraft carriers using sensors and software to enhance response speed and reduce crew workload.
Combined gas turbine or gas turbine propulsion system, using separate gas turbines for cruising and high-speed operation.
Military action involving the use of electromagnetic spectrum to disrupt, deceive, or destroy enemy electronic systems.
The upper deck of an aircraft carrier, equipped for aircraft takeoff, landing, and maintenance operations.
Sonar system installed on the hull of a ship, used for underwater detection and navigation by emitting and receiving sound waves.
Cruise missiles designed to strike land targets from naval platforms, typically launched from ships or submarines.
A system of hydrophones towed behind a vessel to detect submarines and torpedoes, minimizing interference from the ship's self-noise.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Destroyers entry →