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Izumo-class helicopter carrier
Photo: https://www.mod.go.jp/msdf/index.html 海上自衛隊 · Wikimedia Commons · CC BY 4.0
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Izumo-classhelicoptercarrier

Helicopter Carriers · Japan · 2013
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Izumo-classhelicoptercarrier

Izumo-class helicopter carrier
Izumo-class helicopter carrier Photo: https://www.mod.go.jp/msdf/index.html 海上自衛隊 · Wikimedia Commons · CC BY 4.0
* Absolute score — assessed within category · no era adjustment
Aviation Capacity
75
ASW Capability
60
Versatility
80
Command Facilities
85
Endurance
70
Self-Defence
50
Survivability
65
Speed
40
Technology
80
Cost-Effectiveness
55
Origin Japan
ManufacturerIHI Corporation
CategoryHelicopter Carriers
EraModern Era
In service2013–2017
Operators1 countries
Quantity2
Data Quality82%
MASS(Military Archive Scoring System)
68
Helicopter Carriers MASS Rating
3/4
Modern Era
6/12
All-Time
Helicopter Carriers · 10 axes scored
Aviation Capacity
75
ASW Capability
60
Versatility
80
Command Facilities
85
Endurance
70
Self-Defence
50
Survivability
65
Speed
40
Technology
80
Cost-Effectiveness
55
ⓘ Regardless of era, the same scoring system applies to all units in the helicopter carriers category.
01 / Overview
Izumo-class helicopter carrier
Country
Prime contractor
Production
2013–2017
Quantity
2
Unit Price (current)
$2.2B↗ 48% inflation · 2010→2025
Original Price
$1.5B (2010)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
HELICOPTER CARRIERS · MODERN ERA
3
PERFORMANCE/PRICE
60
UNIT COST (2025 USD)
$2.2B
Original: $1.5B (2010)
Inflation: +%48
68
helicopter carriers category
ⓘ Performance/Price and MASS score are computed across all units in the helicopter carriers category, regardless of era.
02 / Specs & Design
◎Identification7MOD.7
  • Hull ClassificationDDH/CVM
  • Ship Typehelicopter carrier / aircraft carrier (in near future)
  • Laid Down2012
  • Launched2013
  • Commissioned2015
  • Ships in Class2
  • In ServiceYes
◈Displacement2MOD.2
  • Light Displacement19,500 t
  • Full Load Displacement26,000 t
▣Dimensions3MOD.3
  • Length (overall)248 m
  • Beam38 m
  • Draft7.5 m
◇Complement1MOD.1
  • Total Complement520
◆Propulsion5MOD.5
  • PropulsionCOGAG
  • Number of Engines4
  • Shaft Power83,600 kW
  • Shafts / Screws2
  • Top Speed55.6 kn
▤Gun Armament1MOD.1
  • CIWS2 × Phalanx CIWS, 2 × SeaRAM CIWS
⬢Underwater Warfare2MOD.2
▲Aviation4MOD.4
◎Sensors & Combat Systems7MOD.7
  • Air-Search RadarOPS-50 AESA radar
  • Surface / Fire-Control RadarOPS-28 surface-search radar
  • Phased-Array RadarYes
  • Combat SystemATECS (advanced technology command system), OYQ-12 combat direction system
  • Aegis / EquivalentNo
  • Electronic WarfareYes
  • Decoy LaunchersMark 36 SRBOC, Anti-torpedo mobile decoy (MOD), Floating acoustic jammer (FAJ)
◈Survivability5MOD.5
▣Cost1MOD.1
  • Unit Cost113.9 USD
03 / History
SERVICE LIFESPANStill in Service
  1. 2013Production started
  2. 2015Entered service
  3. 2017Production ended
13
years in service
4
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 PAGE9terms
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.
Combined gas turbine and gas turbine propulsion system where two gas turbines drive a single shaft via a combining gearbox.
A technique to reduce a ship's magnetic signature by neutralizing its internal magnetic field, minimizing vulnerability to magnetic mines or detection.
Military action involving the use of electromagnetic spectrum to disrupt, deceive, or destroy enemy electronic systems.
The upper deck of an aircraft carrier, equipped for aircraft takeoff, landing, and maintenance operations.
Sonar system installed on the hull of a ship, used for underwater detection and navigation by emitting and receiving sound waves.
Radar system using multiple small antennas whose signals are combined to create a steerable beam without physical movement, enabling rapid scanning and tracking of multiple targets.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Helicopter Carriers entry →