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I-56 — Japan · Tier VIII · Submarine

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.

Premium ship
I-56

Ship Data

Basic Data

Hit points 24,200
Maximum speed 29 knots
Rudder shift time 9 seconds
Turning circle 590 metres

Main Battery

Main guns 140 mm/40 11th Year Type (1 turrets)
AP overmatch up to 9 mm
Reload time 1.8 s
Range 8.5 km
Rate of fire 33.3 rounds/minute
Dispersion 44 m
Sigma 2
Turret traverse time 7.2 s
Maximum AP damage –
Maximum HE damage –

Torpedoes & Secondaries

Torpedo launchers 6
Torpedo range 6.02 km
Torpedo speed 78 kn
Torpedo damage 10,800
Secondary mounts 0
Secondary range 0 km
Secondary HE fire chance –

Concealment & Economy

Ship / aircraft / submarine 7.1 km / 2.6 km / 2.6 km
After firing main guns in smoke 2.96 km
Premium ship Yes
Special ship No
Price 11,000 Doubloons
AA mounts 0

Main Battery & Ballistics

Main Battery · Stock Configuration

Mounts × barrels 1 × 1
Calibre 140 mm
Reload time 1.8 s
Range 8.5 km
Horizontal dispersion 44.75 m
Vertical dispersion 26.85 m
180° traverse time 7.2 s
Sigma 2

SAP · 140 mm CS Type 0

SAP
Alpha damage 2,750 HP
Calibre 140 mm
Shell mass 38 kg
Muzzle velocity 700 m/s
Air drag coefficient 0.34
Krupp value 3
Fuse time 0.03 s
Fuse arming threshold 25 mm
Ricochet starts at 80 °
Guaranteed ricochet from 85 °

Torpedoes

Type95 mod. 3

Launcher 533 mm
Tubes per launcher 1
Reload time 35 s
Maximum damage 10,800 HP
Range 6.02 km
Speed 78 kn
Detectability 2.1 km
Arming time 0.1 s
Diameter 533 mm

Type95 mod. 3 MZ

Alternative configuration
Launcher 533 mm
Tubes per launcher 1
Reload time 35 s
Maximum damage 16,367 HP
Range 12.51 km
Speed 73 kn
Detectability 1.9 km
Arming time 0.1 s
Diameter 533 mm

Submarine Systems

Dive capacity

Capacity 120 units
Regeneration 2 units/s

Sonar/Pinger 1

Ping range 6 km
Ping reload time 6.5 s
Ping effect levels 2
Ping speed 600 m/s
Ping effect duration, level 1 25 s
Ping width, level 1 (technical value) 15
Ping effect duration, level 2 55 s
Ping width, level 2 (technical value) 15

Armour

Overview

Overall range 6–25 mm

Hull

Belt 19 mm
Deck 16 mm
Transverse bulkhead 25 mm

Bow

Deck 16 mm
Side 19 mm

Stern

Deck 16 mm
Side 19 mm

Citadel

Side 19 mm

Citadel / Bow

Transverse bulkhead 25 mm

Citadel / Stern

Transverse bulkhead 25 mm

Casemate / Bow

Belt 25 mm

Casemate / Stern

Belt 25 mm

Casemate / Citadel

Belt 25 mm

Consumables

Damage Control Party Slot 1
Charges3 Preparation time0 s Reload time60 s Action time15 s
Hydrophone Slot 2
Charges5 Preparation time0 s Reload time30 s Action time1 s Hydrophone range9 km
Reserve Battery Unit Slot 3
Charges2 Preparation time0 s Reload time90 s Action time30 s

Module Research Tree

Hull

  1. I-56 Stock module
    Module typeHull Hit points24,200 HP Technical layer thickness range6–25 mm Main battery mounts1 Secondary mounts0 AA mounts0 Torpedo armament mounts6

Main Battery

  1. 140 mm/40 11th Year Type Stock module
    Module typeMain Battery Rate of fire33.3 Schuss/min 180° traverse time7.2 s

Torpedoes

  1. Type95 mod. 3 Stock module
    Module typeTorpedoes Maximum torpedo damage10,800 HP Torpedo speed78 kn

Engine

  1. Propulsion: 9,400 hp Stock module
    Module typeEngine Maximum speed29 kn

Sonar

  1. Type8 mod. 1 Stock module
    Module typeSonar

Upgrades

Main Armaments Modification 1
Increases the action time of the Damage Control Party and Fast Damage Control Team consumables.
Damage Control Party Modification 1
Sonar Modification 1
Reserve Battery Unit Modification 1
Damage Control System Modification 3
Engine Room Protection
Sonar Modification 2
Main Battery Modification 2
Main battery traverse speed+15 %
Dive Capacity Modification 1
Dive capacity regeneration+10 %
Torpedo Tubes Modification 1
Torpedo launcher traverse speed+20 % Torpedo speed+5 %
Aiming Systems Modification 1
Main battery horizontal dispersion−7 % Secondary battery horizontal dispersion−5 % Secondary battery range+5 % Torpedo launcher traverse speed+20 %
Reduces time to full speed
Propulsion Modification 1
Damage Control System Modification 2
Submarine Steering Gears
Rudder shift time−50 %
Ship Consumable Modification 1
Consumable action time+10 %
Torpedo Tubes Modification 3
Torpedo damage+7 %
Reinforced Bulkheads
Compare with Another Ship Back to the Ship Database

Known Players with This Ship

Source: Friendly-Helpers EU data · PVP · ship data no more than 7 days old · 504,088 known players · 7,320 matches · 100 loaded · Click a column to sort the table. Player profiles and ship statistics open in English.

Players Battles Win Rate Avg. Damage Max. Damage Frags Survival FH Last Battle
SEAL3S
#688054783 		1,724 57.83% 45,585 223,606 1.00 50.81% 1,892 08 Aug 2026
1judu16_gunner
#599942314 		1,091 49.13% 26,819 151,044 0.52 13.75% 1,280 20 Oct 2026
Nagumo_Chuichii
#538267723 		855 57.78% 42,329 222,109 0.95 37.19% 1,785 23 Oct 2026
APEXMAMBA
#694675188 		850 46.94% 18,193 161,103 0.38 28.35% 1,051 17 Oct 2026
K_Lach
#531244651 		710 53.24% 46,642 283,628 0.94 24.65% 1,766 11 Oct 2026
Daniel3843
#555427056 		707 56.86% 40,097 193,940 0.86 43.71% 1,755 15 Oct 2026
Lup_negru
#508552074 		575 53.04% 35,660 187,743 0.78 32.17% 1,575 19 Oct 2026
dar_k
#504394141 		551 61.34% 61,842 255,076 1.40 58.80% 2,337 13 Jun 2026
siestrzewitg
#559728773 		490 47.55% 25,815 131,619 0.54 42.65% 1,307 19 Sep 2026
omeyer_8
#548943750 		472 49.15% 22,378 139,842 0.34 3.81% 989 07 Dec 2025
Q1209
#501801567 		458 49.34% 25,300 118,865 0.59 23.58% 1,305 15 Oct 2026
Schnitka
#500513639 		449 51.45% 31,786 172,494 0.65 35.86% 1,487 13 May 2026
Mozazarus
#513572555 		421 49.17% 37,436 219,965 0.67 9.26% 1,405 20 Jun 2026
ARMAGEDOM666666
#550710923 		406 52.71% 21,051 131,454 0.46 41.13% 1,273 11 Oct 2026
Geos_UA
#597885989 		405 54.32% 37,959 175,417 0.60 10.12% 1,487 21 Sep 2026
Admiral_GoYangE
#566316990 		404 55.45% 38,634 171,446 0.71 39.60% 1,613 20 Aug 2026
benito_perez_galtres
#676105745 		388 45.36% 27,379 171,093 0.59 22.42% 1,304 03 Feb 2026
BNTR_stalnoj
#595310618 		385 50.91% 42,585 190,053 0.83 24.42% 1,665 01 Jul 2026
zibi_743
#515925631 		369 42.82% 8,658 77,739 0.18 8.94% 662 19 Oct 2026
GalleonOfSeamen
#510689473 		364 48.63% 40,191 154,817 0.70 23.90% 1,587 08 Oct 2026
hemeroidsatancz
#501052304 		346 55.20% 50,069 201,444 1.01 32.95% 1,881 19 Sep 2026
MuratTheKro
#506920308 		342 56.73% 38,696 191,952 0.83 28.65% 1,676 24 Nov 2025
Yamato001
#500158875 		335 55.22% 19,339 149,059 0.36 25.37% 1,166 20 Oct 2026
Admiral_Volca
#566103118 		331 58.61% 43,776 224,889 0.98 35.35% 1,821 21 Mar 2024
Falathi
#503397906 		326 51.53% 40,889 219,402 0.80 23.31% 1,654 18 Sep 2026
Exspectans_unum
#503192746 		325 50.46% 22,787 180,552 0.46 33.23% 1,248 04 Sep 2025
Star_Murasame
#578939961 		316 67.41% 66,209 272,606 1.37 30.70% 2,337 13 Aug 2025
cunins
#516359150 		298 58.05% 36,430 172,125 0.81 22.15% 1,601 08 Sep 2026
SMSHaudegen
#523083863 		298 51.34% 25,888 146,727 0.49 25.50% 1,270 08 Jun 2025
MirG22_2022
#590429638 		293 41.98% 17,539 154,147 0.39 18.43% 1,039 06 Oct 2026
Hasenfratz
#503908880 		288 42.71% 16,063 127,459 0.34 44.79% 1,086 04 Jul 2026
Black_Widow_MS
#508113803 		282 49.65% 30,572 174,800 0.54 26.60% 1,406 13 Oct 2026
Miro6
#512155537 		278 48.56% 26,987 183,157 0.50 13.31% 1,229 19 Dec 2025
jabub_
#579594966 		275 53.09% 34,477 169,325 0.65 22.55% 1,473 09 Jun 2025
Kahlandriel
#574419704 		275 46.91% 23,888 153,941 0.49 18.18% 1,203 11 Jul 2026
Falax_MVK
#587075515 		270 79.63% 47,549 199,298 1.01 24.07% 1,927 16 Dec 2025
Aspres
#531139832 		270 53.70% 34,115 157,854 0.74 41.85% 1,558 18 Mar 2026
Rabenfutter
#520878312 		267 50.94% 30,890 148,480 0.57 33.33% 1,402 16 Oct 2026
tiger66_defender
#540852935 		267 46.82% 26,324 118,566 0.39 7.12% 1,140 17 Oct 2026
mateusz01_1
#529622595 		266 56.02% 49,548 258,292 0.91 33.83% 1,868 16 Sep 2026
OX_Sila
#568242996 		265 50.94% 29,797 144,651 0.56 24.15% 1,351 18 Dec 2024
CapitanTorpedo
#531996104 		264 52.65% 37,585 145,090 0.69 21.59% 1,472 04 Apr 2026
Confederategrey
#513886842 		262 46.56% 12,477 92,244 0.22 6.87% 922 30 May 2026
tigra1100
#597098412 		262 45.42% 12,393 104,129 0.20 15.65% 828 26 Jun 2026
Ethlarion
#503193603 		259 52.90% 37,597 176,186 0.81 33.98% 1,602 18 Sep 2026
WILDSTYLE83_2021
#580610913 		256 54.30% 28,535 109,601 0.52 38.67% 1,394 13 Oct 2026
rener122
#538221812 		256 52.73% 21,790 157,000 0.36 14.84% 1,061 29 Oct 2025
Xhabalanque
#529476019 		255 49.02% 20,595 122,898 0.50 17.65% 1,146 20 Oct 2026
MokpylllHuk
#595187446 		254 47.24% 22,122 122,817 0.41 15.35% 1,049 30 Sep 2026
Hermann58
#551470785 		251 46.22% 16,341 134,957 0.24 4.38% 991 03 Oct 2026
Modrin63
#673423488 		251 44.22% 21,912 178,633 0.51 43.82% 1,235 16 Jun 2026
antoniobanditos_34047545
#596678223 		247 60.73% 48,638 197,426 0.79 30.77% 1,865 21 Oct 2026
Stuffz11
#504256963 		246 55.28% 28,751 133,049 0.61 19.51% 1,368 01 Dec 2025
Sorrito
#571023774 		246 53.66% 49,284 173,239 1.05 23.98% 1,856 29 Sep 2026
Bumpkinben
#516471984 		246 52.44% 29,789 146,104 0.51 36.18% 1,404 20 Oct 2026
Ita1974
#558505022 		246 46.75% 33,105 185,647 0.54 28.46% 1,383 20 Sep 2026
_ALMIRANTE_BLAS_DE_LEZO_
#570646206 		245 52.65% 46,847 221,059 0.78 15.92% 1,713 11 Aug 2026
PetrOstravak
#500874869 		245 52.24% 20,011 117,584 0.45 48.57% 1,235 16 Sep 2026
Eltiobum
#504813074 		243 53.09% 40,867 154,444 0.90 25.93% 1,680 03 Oct 2026
Quixy
#509416370 		241 52.28% 38,546 210,048 0.71 34.02% 1,573 28 Dec 2025
_M_A_R_I_K__FRA
#602322971 		238 52.52% 38,927 156,870 0.75 34.45% 1,598 23 Aug 2026
___V_E_N_O_M___
#554327288 		238 51.68% 32,152 159,135 0.58 6.72% 1,238 19 Sep 2026
Harwak
#500994608 		235 53.19% 34,684 119,920 0.73 27.23% 1,517 09 Jun 2026
windoing
#502995098 		234 55.98% 63,990 221,795 1.41 35.90% 2,278 11 Sep 2024
MeneKer
#535432663 		234 55.98% 34,922 194,021 0.70 37.61% 1,573 29 Nov 2025
Cpt_Tabarly
#536934351 		233 51.50% 21,511 148,179 0.47 26.18% 1,226 12 Jul 2026
RaXPoWeR
#539445884 		232 56.47% 42,274 167,012 1.07 37.07% 1,841 21 Jul 2026
Enioch
#507733980 		231 54.11% 39,336 266,022 0.86 18.61% 1,626 27 Nov 2025
seppel2018
#552266259 		230 54.35% 35,246 164,228 0.78 33.48% 1,579 16 Aug 2026
CaptainMohawk
#535709406 		230 53.91% 52,906 202,040 1.14 33.91% 1,972 02 Jan 2025
Kobliha77
#520020005 		229 49.34% 29,696 128,738 0.54 44.54% 1,408 11 Oct 2026
Luke84S
#597776426 		227 51.10% 21,095 111,014 0.51 17.62% 1,195 30 Sep 2026
QuintusLentulusBatiatus7
#528212953 		225 49.78% 28,940 170,063 0.43 31.56% 1,304 15 Aug 2026
Leitwolf57
#570847596 		225 48.00% 32,022 139,080 0.64 48.00% 1,471 05 Sep 2025
FaLLss
#527603956 		220 60.91% 57,785 196,081 1.21 40.45% 2,129 05 Jan 2026
CheckaGER
#503442875 		220 43.64% 18,423 146,255 0.36 12.27% 1,013 30 Jul 2025
Katie_Brooks
#516310035 		219 61.64% 50,165 179,503 1.08 21.46% 1,929 26 Oct 2025
Iltis1980
#689286588 		219 49.77% 26,454 168,161 0.32 10.96% 1,135 03 Dec 2025
001Greyhound
#509012574 		214 45.79% 29,306 154,975 0.65 37.38% 1,367 08 Nov 2024
ShikieikiYamaxanadu
#509857371 		213 52.11% 39,962 178,280 0.86 38.03% 1,694 08 Oct 2025
MementoM0r1
#556308481 		210 57.62% 41,827 217,583 0.82 22.86% 1,687 09 Jan 2026
9OmaeWaMouShindeiru7
#551137127 		207 50.72% 22,576 119,545 0.45 26.09% 1,191 01 Jun 2026
vrazda
#500329956 		202 64.36% 36,508 141,369 0.86 28.22% 1,652 06 Apr 2026
Arestovich_S
#596795505 		201 44.28% 30,858 155,374 0.63 14.93% 1,312 08 Sep 2025
Allakhaj
#511804156 		196 54.08% 59,315 270,619 0.97 16.84% 1,979 21 May 2026
D3r3ss3n3r
#500275592 		196 50.51% 18,394 99,031 0.46 37.76% 1,173 11 Oct 2026
OurGodJesus
#595295238 		193 43.01% 21,017 138,704 0.41 24.35% 1,121 31 May 2026
Widerganger11
#533813295 		191 48.17% 22,763 120,132 0.49 18.85% 1,213 20 Oct 2026
Fanbos
#595714127 		189 46.56% 25,539 113,409 0.50 31.22% 1,260 06 Aug 2026
math_72
#521203168 		188 59.04% 60,723 196,554 1.36 55.32% 2,268 12 May 2026
duke100578
#503677857 		187 56.15% 29,323 141,306 0.75 18.18% 1,421 10 Jun 2024
Voyk
#501197195 		184 50.54% 29,723 154,033 0.54 30.98% 1,406 19 Oct 2026
Inkaust
#525429224 		183 53.55% 30,185 138,828 0.61 22.95% 1,392 10 Sep 2026
underboss99
#564014641 		181 50.83% 32,447 129,147 0.52 21.55% 1,417 27 Jul 2026
slackjzw225
#583826421 		181 48.62% 33,474 188,276 0.70 9.94% 1,404 28 Jan 2026
AIMPOWER
#503201644 		180 50.00% 36,073 156,340 0.68 21.67% 1,506 19 Jul 2026
Gramathonclerik
#504791232 		179 52.51% 23,925 124,125 0.47 25.70% 1,240 30 Jul 2026
MiKo_PROteza
#503546015 		176 57.95% 56,615 220,579 1.03 28.98% 2,029 28 Sep 2026
hexHQ
#524153299 		176 50.00% 32,808 119,434 0.61 32.39% 1,475 18 Oct 2024
Fiona_hawkens
#564855507 		175 53.14% 26,198 125,228 0.45 16.57% 1,213 26 Sep 2025
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