Data Quality85%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the frigates category.
01 / Overview
Ioshima-class cruiser
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
FRIGATES · INTERWAR PERIOD
1
PERFORMANCE/PRICE
68
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the frigates category, regardless of era.
02 / Specs & Design
◎Identification6MOD.6
- Hull ClassificationEscort vessel
- Ship TypeEscort vessel
- Builder / ShipyardHarima Dock Co., Ltd. ('Ioshima'), Jiangnan Shipyard ('Yasoshima')
- Commissioned1944
- Ships in Class2
- In ServiceYes
◈Dimensions3MOD.3
- Length (overall)109.728 m
- Beam11.887 m
- Draft3.962 m
▣Propulsion5MOD.5
- PropulsionSteam Turbine
- Top Speed22 kn
- Cruise Speed12 kn
- Range5,000
- Nuclear-PoweredNo
◇Gun Armament4MOD.4
- Main Gun2 × 12 cm/45 10th Year Type naval guns
- Main Gun Calibre120 mm
- Main Gun Count2
- Secondary Guns5 × triple 25 mm Type 96 AA guns
◆Missile Armament3MOD.3
▤Underwater Warfare3MOD.3
⬢Aviation5MOD.5
- Embarked Helicopters0
- HangarNo
- Flight DeckNo
- Fixed-Wing Aircraft0
- UAV CapabilityNo
▲Sensors & Combat Systems3MOD.3
◎Survivability5MOD.5
- CBRN CitadelNo
- DegaussingNo
- Hull Materialsteel
- Stealth ShapingNo
- Automated Damage ControlNo
◈Fleet Status8MOD.8
- Completed2
- Active0
- Under Construction0
- Planned2
- Cancelled0
- Lost2
- Retired2
- Preserved0
03 / History
SERVICE LIFESPANStill in Service
- 1938Production started
- 1944Production ended
88
years in service
6
years in production
2
units produced
2
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
FRIGATES RANKING Frigates · Interwar Period
MASS RANKINGSMASS ↗
ⓘ Rankings are within theFrigatescategory.
📖 TERMS ON THIS PAGE2terms
Anti-Submarine Warfare. Capability to detect, track, and engage 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