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K-class destroyer
Photo: U.S. Navy · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
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K-classdestroyer

Destroyers · United Kingdom · 1938
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K-classdestroyer

K-class destroyer
K-class destroyer Photo: U.S. Navy · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
MASS (Military Archive Scoring System) 56
* Absolute score — assessed within category · no era adjustment
Firepower
60
Air Defence
45
ASW Capability
50
Sensors
55
Survivability
70
Versatility
65
Endurance
75
Aviation
20
Technology
50
Cost-Effectiveness
80
Methodology ↗ → Destroyers ranking
Origin United Kingdom
ManufacturerSwan Hunter, Fairfield Shipbuilding and Engineering Company, R. & W. Hawthorn, Leslie and Company, J. Samuel White, William Denny and Brothers, Yarrow Shipbuilders Limited, John I. Thornycroft & Company
CategoryDestroyers
EraInterwar Period
In service1938–1941
Operators1 countries
Quantity8
⬇ Overview
⚙ Specs
⊕ History
⊕ Variants
⊕ Operators
⚖ MASS Score
📚 Sources
Data Quality84%
MASS(Military Archive Scoring System)
⊟ Destroyersranking ↗methodology ↗
56
Destroyers MASS Rating
10/85
Interwar Period
125/478
All-Time
Destroyers · 10 axes scored
Firepower
60
Air Defence
45
ASW Capability
50
Sensors
55
Survivability
70
Versatility
65
Endurance
75
Aviation
20
Technology
50
Cost-Effectiveness
80
ⓘ Regardless of era, the same scoring system applies to all units in the destroyers category.
01 / Overview
K-class destroyer
Category
Destroyers
Country
United Kingdom
Prime contractor
Swan Hunter, Fairfield Shipbuilding and Engineering Company, R. & W. Hawthorn, Leslie and Company, J. Samuel White, William Denny and Brothers, Yarrow Shipbuilders Limited, John I. Thornycroft & Company
Production
1938–1941
Quantity
8
Operators
1 countries
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
DESTROYERS · INTERWAR PERIOD
10
PERFORMANCE/PRICE
87
UNIT COST (2025 USD)
—
MASS SCORE ↗
56
destroyers category
ⓘ Performance/Price and MASS score are computed across all units in the destroyers category, regardless of era.
02 / Specs & Design
◎Identification2MOD.2
  • Ships in Class8
  • In ServiceYes
◈Displacement2MOD.2
  • Standard Displacement1,717 t
  • Full Load Displacement2,369 t
▣Dimensions3MOD.3
  • Length (overall)108.6 m
  • Beam10.9 m
  • Draft3.81 m
◇Complement1MOD.1
  • Total Complement183
◆Propulsion6MOD.6
▤Gun Armament2MOD.2
  • Main Gun Calibre120 mm
  • Main Gun Count6
⬢Underwater Warfare3MOD.3
▲Fleet Status2MOD.2
  • Completed8
  • Lost6
03 / History
SERVICE LIFESPANStill in Service
  1. 1938Production started
  2. 1939Entered service
  3. 1941Production ended
88
years in service
3
years in production
8
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Variants
▚ WEAPON FAMILY
J-class destroyer 1937
K-class destroyer 1938
05 / Operators
Operator Inventory1country · 8units
United KingdomACTIVE
8
8active
📖 TERMS ON THIS PAGE3terms
ASW
Anti-Submarine Warfare. Capability to detect, track, and engage submarines.
Hull-Mounted Sonar
Sonar system installed on the hull of a ship, used for underwater detection and navigation by emitting and receiving sound waves.
Steam Turbine
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 →
Destroyers Interwar Period United Kingdom Swan HunterFairfield Shipbuilding and Engineering CompanyR. & W. Hawthorn, Leslie and CompanyJ. Samuel WhiteWilliam Denny and BrothersYarrow Shipbuilders LimitedJohn I. Thornycroft & Company variant
📚 Sources
📖 ENCYCLOPEDIA Browse the Destroyers entry →