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H-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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H-classdestroyer

Destroyers · United Kingdom · 1934
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H-classdestroyer

H-class destroyer
H-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).
* Absolute score — assessed within category · no era adjustment
Firepower
65
Air Defence
30
ASW Capability
55
Sensors
25
Survivability
50
Versatility
60
Endurance
65
Aviation
0
Technology
50
Cost-Effectiveness
60
Origin United Kingdom
CategoryDestroyers
EraInterwar Period
In service1934–1940
Operators4 countries
Quantity24
Data Quality88%
MASS(Military Archive Scoring System)
46
Destroyers MASS Rating
37/85
Interwar Period
199/478
All-Time
Destroyers · 10 axes scored
Firepower
65
Air Defence
30
ASW Capability
55
Sensors
25
Survivability
50
Versatility
60
Endurance
65
Aviation
0
Technology
50
Cost-Effectiveness
60
ⓘ Regardless of era, the same scoring system applies to all units in the destroyers category.
01 / Overview
H-class destroyer
Category
Production
1934–1940
Quantity
24
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
DESTROYERS · INTERWAR PERIOD
37
PERFORMANCE/PRICE
94
UNIT COST (2025 USD)
—
46
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 Classificationdestroyer
  • Ship Typedestroyer
  • Builder / ShipyardUnited Kingdom
  • Laid Down1934
  • Commissioned1936
  • Ships in Class24
  • In ServiceYes
◈Displacement3MOD.3
  • Light Displacement1,345 t
  • Standard Displacement1,345 t
  • Full Load Displacement1,857 t
▣Dimensions3MOD.3
  • Length (overall)98.45 m
  • Beam10.06 m
  • Draft3.81 m
◇Complement2MOD.2
  • Total Complement146
  • Air Wing Personnel0
◆Propulsion9MOD.9
  • PropulsionSteam Turbine
  • Arrangement (CODAG/COGAG…)2 shafts; 2 geared steam turbines
  • Number of Engines3
  • Shaft Power25,353 kW
  • Shafts / Screws2
  • Top Speed35.5 kn
  • Cruise Speed15 kn
  • Range5,530
  • Nuclear-PoweredNo
▤Gun Armament4MOD.4
  • Main Gun4.7 inch QF Mark IX
  • Main Gun Calibre120 mm
  • Main Gun Count4
  • Secondary Guns0.5 inch Vickers machine guns
▲Underwater Warfare4MOD.4
◎Aviation5MOD.5
◈Sensors & Combat Systems4MOD.4
▣Survivability5MOD.5
◇Fleet Status7MOD.7
  • Completed24
  • Under Construction0
  • Planned24
  • Cancelled0
  • Lost17
  • Retired7
  • Preserved0
◆Armour3MOD.3
  • Armournone
  • Belt Armour0 mm
  • Deck Armour0 mm
03 / History
SERVICE LIFESPANStill in Service
  1. 1934Production started
  2. 1939First deployment: World War II
  3. 1940Production ended
92
years in service
6
years in production
24
units produced
1
countries operating
ⓘ The producing country still actively operates it. 3 countries retired it.
04 / Operators
📖 TERMS ON THIS PAGE4terms
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.
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 →