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A-class destroyer
Photo: Unknown author · Wikimedia Commons · Public domain
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A-classdestroyer

Destroyers · United Kingdom · 1930
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A-classdestroyer

A-class destroyer
A-class destroyer Photo: Unknown author · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Firepower
40
Air Defence
25
ASW Capability
15
Sensors
30
Survivability
50
Versatility
60
Endurance
55
Aviation
0
Technology
35
Cost-Effectiveness
70
Origin United Kingdom
ManufacturerJohn Brown & Company, Vickers-Armstrongs, Swan Hunter, R. & W. Hawthorn, Leslie and Company, Scotts Shipbuilding and Engineering Company, John I. Thornycroft & Company
CategoryDestroyers
EraInterwar Period
In service1930–1931
Operators6 countries
Quantity20
Data Quality88%
MASS(Military Archive Scoring System)
36
Destroyers MASS Rating
57/85
Interwar Period
254/478
All-Time
Destroyers · 10 axes scored
Firepower
40
Air Defence
25
ASW Capability
15
Sensors
30
Survivability
50
Versatility
60
Endurance
55
Aviation
0
Technology
35
Cost-Effectiveness
70
ⓘ Regardless of era, the same scoring system applies to all units in the destroyers category.
01 / Overview
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
DESTROYERS · INTERWAR PERIOD
57
PERFORMANCE/PRICE
87
UNIT COST (2025 USD)
—
36
destroyers category
ⓘ Performance/Price and MASS score are computed across all units in the destroyers category, regardless of era.
02 / Specs & Design
◎Identification7MOD.7
  • Hull ClassificationA and B class
  • Ship TypeDestroyer
  • Laid Down1928
  • Launched1929
  • Commissioned1930
  • Ships in Class20
  • In ServiceYes
◈Displacement3MOD.3
  • Light Displacement1,355 t
  • Standard Displacement1,355 t
  • Full Load Displacement1,350 t
▣Dimensions3MOD.3
  • Length (overall)98.45 m
  • Beam9.75 m
  • Draft3.73 m
◇Complement1MOD.1
  • Total Complement138
◆Propulsion9MOD.9
  • PropulsionSteam Turbine
  • Arrangement (CODAG/COGAG…)2 × shafts; 2 × geared steam turbines
  • Number of Engines3
  • Shaft Power25,353.8 kW
  • Shafts / Screws2
  • Top Speed35 kn
  • Cruise Speed15 kn
  • Range4,800
  • Nuclear-PoweredNo
▤Gun Armament4MOD.4
  • Main Gun4 × 4.7 in (120 mm) QF Mark IX guns
  • Main Gun Calibre120 mm
  • Main Gun Count4
  • Secondary Guns2 × 2 pdr (40 mm) AA guns
▲Underwater Warfare4MOD.4
◎Aviation5MOD.5
◈Sensors & Combat Systems3MOD.3
▣Survivability5MOD.5
◇Fleet Status8MOD.8
  • Completed20
  • Active0
  • Under Construction0
  • Planned20
  • Cancelled0
  • Lost10
  • Retired10
  • Preserved0
03 / History
SERVICE LIFESPANStill in Service
  1. 1930Production started
  2. 1931Production ended
  3. 1939First deployment: World War II
96
years in service
1
years in production
20
units produced
3
countries operating
ⓘ The producing country still actively operates it. 3 countries retired it.
04 / Operators
📖 TERMS ON THIS PAGE3terms
Anti-Submarine Warfare. Capability to detect, track, and engage submarines.
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 Destroyers entry →