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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 495.2K players · as of 2026-10-15ServerBattlesWin rateAvg damage
EUBattles 255,477
255.5K255,477
Win rate
50.39%
#5 of 10
Avg damage
29,671
#1 of 10
ASIABattles 233,228
233.2K233,228
Win rate
49.30%
#10 of 10
Avg damage
31,317
#1 of 10
NABattles 177,552
177.6K177,552
Win rate
50.69%
#4 of 10
Avg damage
29,984
#1 of 10
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 battery layout1×1(Total barrels 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
SAP ShellDamage2,750
Shell Velocity700 m/s
Overmatch Threshold9.8 mm
Ricochet Angle80° / 85°
Normalization45°
Fuse Threshold25 mm
Air Drag0.34
Flight Time6.47 s
Nominal all-gun DPM165,000
#1 of 3
Group avg 81,133Torpedoes
Type95 mod. 3
Type95 mod. 3Torpedo 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
Detectability Firing in Smoke2.96 km
Consumables
Slot 1
Damage Control Party
Damage Control Party
Extinguishes fires, removes instances of flooding, and repairs damaged modules. Prevents enemy acoustic torpedoes from homing.
Reload60 s
Duration15 s
Charges3
Slot 2
Hydrophone
Hydrophone
Highlights the positions of ships and submarines on the surface or at periscope depth that are beyond spotting range. Ship positions are ascertained at the moment you activate the consumable.
Reload30 s
Duration1 s
Charges5
Wave Radius9.0 km
Wave Duration6 s
Slot 3
Reserve Battery Unit
Reserve Battery Unit
Dive capacity does not deplete when the consumable is active.
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%