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Implacable-class aircraft carrier
Photo: Royal Navy official photographer · Wikimedia Commons · Public domain
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Implacable-classaircraftcarrier

Fleet Aircraft Carriers · United Kingdom · 1944
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Implacable-classaircraftcarrier

Implacable-class aircraft carrier
Implacable-class aircraft carrier Photo: Royal Navy official photographer · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Air Wing Capacity
65
Sortie Generation
70
Power Projection
75
Survivability
70
Endurance
60
Sensors & C2
55
Aviation Facilities
80
Speed
50
Strategic Impact
70
Cost-Effectiveness
65
Origin United Kingdom
ManufacturerJohn Brown & Company, Fairfield Shipbuilding and Engineering Company
CategoryFleet Aircraft Carriers
EraWorld War II
In service1944–1944
Operators1 countries
Quantity2
Data Quality85%
MASS(Military Archive Scoring System)
68
Fleet Aircraft Carriers MASS Rating
5/21
World War II
25/62
All-Time
Fleet Aircraft Carriers · 10 axes scored
Air Wing Capacity
65
Sortie Generation
70
Power Projection
75
Survivability
70
Endurance
60
Sensors & C2
55
Aviation Facilities
80
Speed
50
Strategic Impact
70
Cost-Effectiveness
65
ⓘ Regardless of era, the same scoring system applies to all units in the fleet aircraft carriers category.
01 / Overview
Implacable-class aircraft carrier
Production
1944–1944
Quantity
2
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FLEET AIRCRAFT CARRIERS · WORLD WAR II
5
PERFORMANCE/PRICE
70
UNIT COST (2025 USD)
—
68
fleet aircraft carriers category
ⓘ Performance/Price and MASS score are computed across all units in the fleet aircraft carriers category, regardless of era.
02 / Specs & Design
◎Identification4MOD.4
  • Hull ClassificationAircraft carrier
  • Ship TypeAircraft carrier
  • Ships in Class2
  • In ServiceYes
◈Displacement1MOD.1
  • Full Load Displacement32,623.76 t
▣Dimensions4MOD.4
  • Length (overall)233.6 m
  • Length (waterline)222.5 m
  • Beam29.2 m
  • Draft8.94 m
◇Complement1MOD.1
  • Total Complement2,300
◆Propulsion7MOD.7
  • PropulsionSteam Turbine
  • Arrangement (CODAG/COGAG…)4 shafts; 4 geared steam turbines
  • Number of Engines4
  • Shaft Power110,400 kW
  • Shafts / Screws4
  • Top Speed31 kn
  • Range12,000
▤Gun Armament4MOD.4
  • Main Gun8 × twin QF 4.5-inch dual-purpose guns
  • Main Gun Calibre114 mm
  • Main Gun Count16
  • Secondary Guns5 × octuple, 1 × quadruple QF 2-pounder AA guns; 18–21 × twin, 17–19 × single Oerlikon 20 mm AA guns
⬢Aviation3MOD.3
▲Sensors & Combat Systems2MOD.2
  • Air-Search RadarType 279
  • Surface / Fire-Control RadarType 277
◎Armour2MOD.2
  • Belt Armour114 mm
  • Deck Armour76 mm
03 / History
SERVICE LIFESPANStill in Service
  1. 1939First deployment: World War II
  2. 1944Production started
82
years in service
0
years in production
2
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Inventory1country · 2units
2active
📖 TERMS ON THIS PAGE3terms
The upper deck of an aircraft carrier, equipped for aircraft takeoff, landing, and maintenance operations.
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 Fleet Aircraft Carriers entry →