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Tier VIIISubmarine
JapanPremiumUncommonGlobal
JapanPremiumUncommonGlobalI-56
WoWS World of Warships Japan Submarine · Tier VIII
- Main Battery
- 140 mm/40 11th Year Type
- 1 turrets × 1 barrels
- Range 8.5 km
- Torpedoes
- Torpedo Tubes: Bow Group
- 6 launchers × 1 tubes
- Range 6 km
Specifications
I-56 Win Rate & Combat Stats
Sample of 453.6K players · as of 2026-08-06ServerBattlesWin rateAvg damage
EUBattles 236,033
236K236,033
Win rate
50.46%
#6 of 10
Avg damage
29,795
#1 of 10
ASIABattles 220,071
220.1K220,071
Win rate
49.40%
#9 of 9
Avg damage
31,500
#1 of 9
NABattles 165,379
165.4K165,379
Win rate
50.77%
#4 of 9
Avg damage
30,102
#1 of 9
Averages from our own crawled player sample, not official server-wide data. The sample skews toward active clan players, so its overall win rate runs about 1 point above the true server average. Battle counts are career totals and include games played before this ship’s past balance changes.
Survivability
Hit Points24,200
#1 of 8
Group avg 15,213Main Belt Armor25 mm
Bow / Stern Armor19 mm
Ship Length107.0 m
Ship Width9.1 m
Main Battery
Main Guns1 × 1
Caliber140 mm
Firing Range8.5 km
#2 of 3
Group avg 8.0 kmReload Time1.0 s
Rotation Time7.2 s
Max Dispersion44 m
Sigma2.00
Shell Types
SAP Shell
Damage2,750
Shell Velocity700 m/s
Overmatch Threshold9.8 mm
Ricochet Angle80° / 85°
Normalization45°
Fuse Threshold25 mm
Air Drag0.34
Flight Time6.47 s
DPM165,000
#1 of 3
Group avg 81,133Torpedoes
Torpedo Tubes6
Speed78 knots
Range6.0 km
#8 of 8
Group avg 9.5 kmDamage10,800
#1 of 8
Group avg 7,425Alpha Damage29,400
Splash Damage1,000
Flood Chance62%
Detectability2.10 km
Reload Time35.0 s
#2 of 8
Group avg 48.1 s180° Rotation15.0 s
Arming Time0.1 s
Resurface Distance8.7 m
Spread Angle1° / 1°
Torpedo Caliber533 mm
Tube Module HP1,200
Loaders1
Fuse Depth0.14 m
Maneuverability
Max Speed29.0 knots
#4 of 8
Group avg 29.0 knotsTurning Radius590 m
#8 of 8
Group avg 464 mRudder Shift Time9.0 s
Engine Power9,400 hp
Displacement3,747 t
Power-to-Weight2.51 hp/t
Submarine Maneuverability
Max Speed (Periscope)29.0 knots
Max Speed (Deep)13.0 knots
#7 of 8
Group avg 16.7 knotsSurface/Dive Speed2.4 m/s
Horizontal Rudder Shift Time33.76 s
Battery Capacity120 s
#8 of 8
Group avg 211 sBattery Recharge Rate2.00 /s
Concealment
Max Surface Detection7.12 km
#8 of 8
Group avg 6.03 kmMin Surface Detection6.41 km
Air Detection2.63 km
Submarine Detection2.63 km
Consumables
Slot 1
Damage Control Party
Damage Control Party
Reload60 s
Duration15 s
Charges3
Slot 2
Hydrophone
Hydrophone
Reload30 s
Duration1 s
Charges5
Slot 3
Reserve Battery Unit
Reserve Battery Unit
Reload90 s
Duration30 s
Charges2
I-56 Change History
Hydrophone consumable parameters changed
- BuffRange7 → 9 km
- Buffcooldown time80 → 30 s
- Buffnumber of charges4 → 5
- Hydrophone consumable charges1 → 4
- Buffmain battery reload time2.25 → 1.8 s
Ballistics
Armor Model
Overview
The second Otsu-Gata Type B3 submarine was commissioned in June 1944. I-56 took part in the defense of the Philippine Islands and engaged in the Battle of Leyte Gulf, during which she sustained damage. In 1944, she was converted into a Kaiten torpedo carrier. I-56 was lost in the course of the Battle of Okinawa, and the circumstances of her loss remain unknown.
Modules
140 mm/40 11th Year Type
140 mm/40 11th Year Type
Main Battery
Rate of Fire:33.3
Rotation Time:7.2s
Type95 mod. 3
Type95 mod. 3
Torpedoes
Range:0 km
Max Damage:10,800
Reload Time:1.7 knots
Torpedo Speed:78 knots
I-56
I-56
Hull
AA Guns:0
Main Guns:1
Secondary Guns:0
HP:24,200
Range:6-19
Torpedo Tubes:6
Propulsion: 9,400 hp
Propulsion: 9,400 hp
Engine
Max Speed:29 knots
Type8 mod. 1
Type8 mod. 1
Sonar
Wave Duration 0:25s
Wave Duration 1:55s
Max Distance:6
Wave Shot Delay:6.5s
Max Speed:600 knots
Wave Width:18
Upgrades
Slot 1
Sonar Modification 1
Sonar Modification 1
Risk of sonar becoming incapacitated: -25%
Sonar repair time: -25%
Main Armaments Modification 1
Main Armaments Modification 1
Risk of main battery becoming incapacitated: -20%
Main battery survivability: +50%
Main battery repair time: -20%
Risk of torpedo tubes becoming incapacitated: -20%
Torpedo tubes survivability: +50%
Torpedo tubes repair time: -20%
Damage Control Party Modification 1
Damage Control Party Modification 1
Consumable action time: +40%
Slot 2
Damage Control System Modification 3
Damage Control System Modification 3
Damage taken from fires: -5%
Damage taken from flooding: -5%
Sonar Modification 2
Sonar Modification 2
Sonar ping velocity: +10%
Engine Room Protection
Engine Room Protection
Risk of steering gears becoming incapacitated: -20%
Steering gears repair time: -20%
Risk of engine becoming incapacitated: -20%
Engine repair time: -20%
Reserve Battery Unit Modification 1
Reserve Battery Unit Modification 1
Reserve Battery Unit consumable action time: +20%
Slot 3
Dive Capacity Modification 1
Dive Capacity Modification 1
Dive Capacity Recharge Rate per Second: +10%
Torpedo Tubes Modification 1
Torpedo Tubes Modification 1
Risk of torpedo tubes becoming incapacitated: -40%
Torpedo tubes traverse speed: +20%
Torpedo speed: +5%
Aiming Systems Modification 1
Aiming Systems Modification 1
Maximum main battery shell dispersion: -7%
Maximum secondary battery shell dispersion: -5%
Secondary battery firing range: +5%
Torpedo tubes traverse speed: +20%
Main Battery Modification 2
Main Battery Modification 2
Main battery traverse speed: +15%
Slot 4
Submarine Steering Gears
Submarine Steering Gears
Rudder shift time: -50%
Dive plane reset time: -50%
Diving plane shift time: -50%
Propulsion Modification 1
Propulsion Modification 1
Maximum reverse speed at full power: +140%
Time to reach full engine power when decelerating: -50%
Maximum forward speed at full power: +140%
Time to reach full engine power when accelerating: -50%
Damage Control System Modification 2
Damage Control System Modification 2
Fire extinguishing time: -15%
Flooding recovery time: -15%
Slot 5
Reinforced Bulkheads
Reinforced Bulkheads
Damage taken from depth charges: -15%
Torpedo Tubes Modification 3
Torpedo Tubes Modification 3
Torpedo damage: +7%
Ship Consumables Modification 1
Ship Consumables Modification 1
Ship consumable action time: +10%