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St. Laurent-class destroyer
Photo: USN · Wikimedia Commons · Public domain
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St.Laurent-classdestroyer

Frigates · Canada · 1955
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St.Laurent-classdestroyer

St. Laurent-class destroyer
St. Laurent-class destroyer Photo: USN · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Anti-Surface Capability
40
Air Defence
30
ASW Capability
50
Sensors
45
Versatility
55
Endurance
60
Survivability
50
Aviation
20
Technology
40
Cost-Effectiveness
75
Origin Canada
ManufacturerMarine Industries Limited, Halifax Shipyard, Burrard Dry Dock
CategoryFrigates
EraEarly Cold War
In service1955–1957
Operators1 countries
Quantity7
Data Quality84%
MASS(Military Archive Scoring System)
45
Frigates MASS Rating
12/26
Early Cold War
147/245
All-Time
Frigates · 10 axes scored
Anti-Surface Capability
40
Air Defence
30
ASW Capability
50
Sensors
45
Versatility
55
Endurance
60
Survivability
50
Aviation
20
Technology
40
Cost-Effectiveness
75
ⓘ Regardless of era, the same scoring system applies to all units in the frigates category.
01 / Overview
St. Laurent-class destroyer
Category
Country
Production
1955–1957
Quantity
7
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FRIGATES · EARLY COLD WAR
12
PERFORMANCE/PRICE
71
UNIT COST (2025 USD)
—
45
frigates category
ⓘ Performance/Price and MASS score are computed across all units in the frigates category, regardless of era.
02 / Specs & Design
◎Identification4MOD.4
  • Laid Down1950
  • Commissioned1955
  • Ships in Class7
  • In ServiceYes
◈Displacement2MOD.2
  • Light Displacement2,263 t
  • Full Load Displacement3,051 t
▣Dimensions3MOD.3
  • Length (overall)111.6 m
  • Beam12.8 m
  • Draft4.27 m
◇Complement1MOD.1
  • Total Complement249
◆Propulsion6MOD.6
▤Underwater Warfare2MOD.2
⬢Aviation3MOD.3
▲Sensors & Combat Systems1MOD.1
◎Survivability2MOD.2
03 / History
SERVICE LIFESPANStill in Service
  1. 1955Production started
  2. 1957Production ended
71
years in service
2
years in production
7
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Inventory1country · 7units
7active
📖 TERMS ON THIS PAGE8terms
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.
A defensive system on fleet aircraft carriers designed to detect, protect against, and mitigate chemical, biological, radiological, and nuclear threats.
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.
A mechanical device that converts steam pressure into rotational energy, used to drive shipboard generators or propulsion systems.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Frigates entry →