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Prestonian-class River-class frigate
Photo: WWII in View · Wikimedia Commons · Public Domain Mark
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Prestonian-classRiver-classfrigate

Frigates · Canada · 1953
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Prestonian-classRiver-classfrigate

Prestonian-class River-class frigate
Prestonian-class River-class frigate Photo: WWII in View · Wikimedia Commons · Public Domain Mark
* Absolute score — assessed within category · no era adjustment
Anti-Surface Capability
40
Air Defence
30
ASW Capability
50
Sensors
45
Versatility
60
Endurance
55
Survivability
50
Aviation
20
Technology
35
Cost-Effectiveness
75
Origin Canada
ManufacturerDavie Shipbuilding, Morton Engineering and Dry Dock Company
CategoryFrigates
EraEarly Cold War
In service1953–1967
Operators2 countries
Quantity21
Data Quality88%
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
60
Endurance
55
Survivability
50
Aviation
20
Technology
35
Cost-Effectiveness
75
ⓘ Regardless of era, the same scoring system applies to all units in the frigates category.
01 / Overview
Prestonian-class River-class frigate
Category
Country
Production
1953–1967
Quantity
21
Operators
Conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FRIGATES · EARLY COLD WAR
12
PERFORMANCE/PRICE
76
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
◎Identification6MOD.6
  • Hull ClassificationFFE
  • Ship Typefrigate
  • Builder / ShipyardCanada
  • Commissioned1953
  • Ships in Class21
  • In ServiceYes
◈Displacement1MOD.1
  • Full Load Displacement2,360 t
▣Dimensions3MOD.3
  • Length (overall)91.82 m
  • Beam11.13 m
  • Draft3.66 m
◇Complement1MOD.1
  • Total Complement140
◆Propulsion7MOD.7
  • PropulsionSteam Turbine
  • Arrangement (CODAG/COGAG…)2 x Admiralty 3-drum boilers, 2 shafts, reciprocating vertical triple expansion
  • Number of Engines2
  • Shaft Power4,101 kW
  • Shafts / Screws2
  • Top Speed19 kn
  • Nuclear-PoweredNo
▤Gun Armament4MOD.4
  • Main Guntwin QF 4 inch Mk XVI guns
  • Main Gun Calibre102 mm
  • Main Gun Count1
  • Secondary Gunstwin 40 mm/56 Mk.5 guns, 2–4 x 40 mm/56 Boffin guns
▲Underwater Warfare3MOD.3
◎Aviation4MOD.4
◈Sensors & Combat Systems4MOD.4
▣Survivability5MOD.5
◇Fleet Status8MOD.8
  • Completed21
  • Active0
  • Under Construction0
  • Planned21
  • Cancelled0
  • Lost0
  • Retired21
  • Preserved0
◆Armour1MOD.1
  • Armournone
03 / History
SERVICE LIFESPANStill in Service
  1. 1945First deployment: Cold War
  2. 1953Production started
  3. 1967Production ended
73
years in service
14
years in production
21
units produced
1
countries operating
ⓘ The producing country still actively operates it. 1 countries retired it.
04 / Conflicts
PRESTONIAN-CLASS RIVER-CLASS FRIGATE · CONFLICTS SERVED IN0% win
Total Conflicts
1
Victories
0
Ongoing
0
Losses
0
ⓘ Shown only from conflicts recorded in our database.
05 / Operators
Operator Inventory1country · 3units
3active
📖 TERMS ON THIS PAGE6terms
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.
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 →