Data Quality85%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the cruisers category.
01 / Overview
County-class heavy cruiser
Category
Country
Prime contractor
Production
1928–1930
Quantity
13
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
CRUISERS · INTERWAR PERIOD
45
PERFORMANCE/PRICE
76
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the cruisers category, regardless of era.
02 / Specs & Design
◎Identification8MOD.8
- Hull ClassificationHeavy cruiser
- Ship TypeHeavy cruiser
- Builder / ShipyardChatham Dockyard, HMNB Devonport, Fairfield Shipbuilding and Engineering, John Brown and Company, Portsmouth Dockyard, Hawthorn Leslie, Vickers Armstrongs, William Beardmore and Company
- Laid Down1922
- Launched1926
- Commissioned1928
- Ships in Class13
- In ServiceYes
◈Displacement3MOD.3
- Light Displacement10,400 t
- Standard Displacement10,400 t
- Full Load Displacement14,150 t
▣Dimensions4MOD.4
- Length (overall)180 m
- Length (waterline)192 m
- Beam20.7 m
- Draft5.3 m
◇Complement2MOD.2
- Total Complement685
- Air Wing Personnel0
◆Propulsion9MOD.9
- PropulsionSteam Turbine
- Arrangement (CODAG/COGAG…)8 × Admiralty three-drum boilers, Parsons (Brown-Curtis in Berwick) geared steam turbines on 4 shafts
- Number of Engines8
- Shaft Power59,656 kW
- Shafts / Screws4
- Top Speed31.5 kn
- Cruise Speed10 kn
- Range8,000
- Nuclear-PoweredNo
▤Gun Armament4MOD.4
- Main Gun8 × BL 8-inch (203 mm L/50) Mk.VIII guns in twin mounts Mk.I
- Main Gun Calibre203 mm
- Main Gun Count8
- Secondary Guns4 × QF 4-inch (102 mm) L/45 Mk.V guns in single mounts HA Mk.III, 8 × QF 2-pounder (40 mm) L/39 Mk.VIII guns in quad mounts HA Mk.VII (from 1925–), 8 × 0.5-inch (12.7 mm L/50) Mk.III machine guns in quad mounts Mk.I (from 1924–)
⬢Missile Armament3MOD.3
▲Underwater Warfare4MOD.4
- Torpedo Tubes8
- ASW CapabilityYes
- Hull-Mounted SonarNo
- Towed Array SonarNo
◎Aviation5MOD.5
- Embarked Helicopters0
- HangarNo
- Flight DeckNo
- Fixed-Wing Aircraft0
- UAV CapabilityNo
◈Sensors & Combat Systems3MOD.3
▣Survivability5MOD.5
- CBRN CitadelYes
- DegaussingNo
- Hull MaterialSteel
- Stealth ShapingNo
- Automated Damage ControlYes
◇Fleet Status8MOD.8
- Completed13
- Active0
- Under Construction0
- Planned16
- Cancelled3
- Lost3
- Retired10
- Preserved0
◆Armour3MOD.3
- ArmourBelt: 4.5 in (114 mm) with 1 in (25 mm) closing bulkheads (Kent, Cumberland, Suffolk, Kent, Cornwall only from 1935); Deck: 1.25 in (32 mm) over machinery, 1.5 in (38 mm) over steering gear; Citadel sides: 1–4 in (25–102 mm), crowns: 1–2.5 in (25–64 mm); Turrets: 1 in (25 mm) faces, sides, rears, crowns & barbettes
- Belt Armour114 mm
- Deck Armour32 mm
03 / History
SERVICE LIFESPANStill in Service
- 1928Production started
- 1930Production ended
98
years in service
2
years in production
13
units produced
2
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
CRUISERS RANKING Cruisers · Interwar Period
MASS RANKINGSMASS ↗
96CRUISERS45INTERWAR PERIOD · CRUISERS428UNITED KINGDOM · ALL WEAPONS143PERFORMANCE/PRICE · CRUISERS
ⓘ Rankings are within theCruiserscategory.
📖 TERMS ON THIS PAGE5terms
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.
Cruise missiles designed to strike land targets from naval platforms, typically launched from ships or submarines.
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