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Bittern-class sloop-of-war
Photo: Royal Navy official photographer · Wikimedia Commons · Public domain
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Bittern-classsloop-of-war

Corvettes · United Kingdom · 1934
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Bittern-classsloop-of-war

Bittern-class sloop-of-war
Bittern-class sloop-of-war Photo: Royal Navy official photographer · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Firepower
30
Speed & Agility
40
Sensors
20
Anti-Surface Capability
35
Affordability
70
Littoral Suitability
60
Survivability
45
Versatility
50
Technology
25
Endurance
55
Origin United Kingdom
ManufacturerWilliam Denny and Brothers
CategoryCorvettes
EraInterwar Period
In service1934–1937
Operators1 countries
Quantity3
Data Quality85%
MASS(Military Archive Scoring System)
41
Corvettes MASS Rating
3/8
Interwar Period
147/253
All-Time
Corvettes · 10 axes scored
Firepower
30
Speed & Agility
40
Sensors
20
Anti-Surface Capability
35
Affordability
70
Littoral Suitability
60
Survivability
45
Versatility
50
Technology
25
Endurance
55
ⓘ Regardless of era, the same scoring system applies to all units in the corvettes category.
01 / Overview
Bittern-class sloop-of-war
Category
Production
1934–1937
Quantity
3
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
CORVETTES · INTERWAR PERIOD
3
PERFORMANCE/PRICE
76
UNIT COST (2025 USD)
—
41
corvettes category
ⓘ Performance/Price and MASS score are computed across all units in the corvettes category, regardless of era.
02 / Specs & Design
◎Identification3MOD.3
  • Laid Down1934
  • Launched1934
  • Ships in Class3
◈Displacement1MOD.1
  • Light Displacement1,190 t
▣Dimensions2MOD.2
  • Length (overall)81 m
  • Beam11 m
◇Complement1MOD.1
  • Total Complement125
◆Propulsion5MOD.5
  • PropulsionSteam Turbine
  • Number of Engines2
  • Shaft Power2,460 kW
  • Shafts / Screws2
  • Top Speed18.75 kn
▤Gun Armament2MOD.2
  • Main Gun Calibre119 mm
  • Main Gun Count2
⬢Underwater Warfare3MOD.3
▲Aviation3MOD.3
◎Sensors & Combat Systems3MOD.3
03 / History
SERVICE LIFESPANStill in Service
  1. 1934Production started
  2. 1937Production ended
  3. 1939First deployment: World War II
92
years in service
3
years in production
3
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE3terms
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 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 Corvettes entry →