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Learn more about flooding. 16 May 2019
The "Flooding" ribbon is awarded for causing flooding to an enemy ship.
Flooding in World of Warships is a damage-over-time effect that occurs due to damage taken below the waterline, most commonly from being struck by enemy torpedoes. Ships that are undergoing flooding do not list in-game as they would in real life, but do have their top speed reduced by approximately 30% in addition to the damage-over-time effect.

Causing Flooding

Only three effects have a chance to cause a ship to flood:

  • Being struck by an enemy torpedo.
  • Being rammed by an enemy ship.
  • Being hit by a depth charge as a submarine.

It is impossible to cause a flooding on an allied ship.[1] Underwater shell hits can cause damage but do not cause flooding.

A ship is immune from flooding during the action time of its Damage Control PartyWhen activated, instantly repairs fires, floods, and incapacitations, and prevents more for the duration..

A ship's torpedo protection is shown in the Port screen under the Survivability tab. If no value is shown, it is zero.

A ribbon is awarded when a flood is caused to an enemy ship. Though captains may be awarded multiple flooding ribbons, it is not possible for a ship to suffer from the effects of more than two floods concurrently: one forward and one aft. In the case of submarines, only one active flood is possible, in the amidship section.

Flooding Chance

Ramming causes flooding in the impacted section if the ram causes 10% or more damage to the ship.

The probability of a ship flooding from a torpedo strike depends on:

  • the base flooding chance of the torpedo,
  • the presence and quality of a Torpedo Protection System,
  • where the ship is struck,
  • the presence of upgrades and signals mounted on the ships,
  • the skills possessed by the attacking and defending commanders.

All ships — except destroyers and submarines — have torpedo protection for their citadel. As a result, the chance of flooding and damage are reduced even if the ship doesn't have "Torpedo Protection" displayed on the Port screen. Destroyers and submarines do not have any torpedo protection, so the torpedo damage reduction bonus of Damage Control System Modification 1: -5% to the risk of fire. / -3% to the risk of flooding when torpedoes hit the torpedo protection. will not function when the upgrade is mounted on a destroyer. (Yet another argument in favor of Engine Room Protection : -20% to the risk of incapacitation. / -20% to repair time..)

Base chance

Flood chance when striking anywhere but the ship's anti-torpedo belt.

FCB = FCT • SVL • SJWU • KLQ

Where:

  • FCB - Base flooding chance
  • FCT - Torpedo flood chance (from the tables below)
  • SVL  = 1.04 if the attacking ship flies the Victor Lima +1% chance of causing a fire for bombs and shells with a caliber above 160mm / +0.5% chance of causing a fire for bombs and shells with a caliber below 160mm. / +4% chance of causing flooding. signal flag, else 1
  • SJWU = 1.15 if the attacking ship flies the Juliet Whiskey Unaone +15% chance of causing flooding. signal flag, else 1
  • KLQ  = 1.30 if the attacking commander has the Liquidator skill, else 1


Against a Torpedo Protection System

Flood chance when striking a ship's anti-torpedo belt

FCTP = FCB • 0.33 • UDCS • (1 - (TP + KTP - KPF))

Where:

  • FCTP - Flooding chance against a ship's Torpedo Protection system
  • FCB - Base flooding chance
  • UDCS - 0.97 if the Damage Control System Modification 1: -5% to the risk of fire. / -3% to the risk of flooding when torpedoes hit the torpedo protection. upgrade is mounted and the ship is not a destroyer, else 1
  • TP - Damage reduction of the ship's Torpedo Protection system (ship specific; roughly 0-50%)
  • KTP - 0.07 if the defending commander has the Vigilance skill, else 0
  • KPF - 0.10 if the attacking commander has the Proximity Fuze skill, else 0

Ship-Launched Torpedo Data

Torpedo Types
Icon Description
Conventional torpedoes are able to hit any ship type in the game.
Deepwater torpedoes are often harder hitting and stealthier than conventional torpedoes, but can only hit cruisers, battleships, and aircraft carriers. On certain ships, they can only hit battleships and aircraft carriers.
Acoustic homing torpedoes (AKA homing torpedoes), are found only on submarines. When launched, by default they are unguided. When a submarine pings a ship, they home into the ship, taking into account lead up until a certain distance, which varies per class. To offset this capability, they have high detectability, low flooding chance, and deal less damage in comparison with the other torpedo types.
Ship-Launched Torpedo Data
Nation Torpedo Type Range Speed Damage Arming Distance Detection Range Flood Chance Deployed Aboard
Bliss Leavitt Mk2 5.00 km 49 knots 5,900 132 m 0.80 km 91% II Sampson (stock)
Bliss Leavitt Mk3 5.00 km 54 knots 6,033 145 m 0.90 km 94% II Sampson
Bliss Leavitt Mk7 mod. 0 4.50 km 54 knots 6,033 145 m 0.90 km 94% II Smith
Bliss Leavitt Mk3 5.00 km 48 knots 6,400 129 m 1.00 km 99% III Wickes (stock)
Bliss Leavitt Mk9 mod. 1b 5.00 km 56 knots 9,900 150 m 1.10 km 159% III Wickes, IV Clemson (stock)
Mk11 5.50 km 56 knots 11,733 150 m 1.10 km 192% IV Clemson, IV Phoenix,
V Nicholas, V Hill,
V Omaha, VI Farragut (stock)
Bliss Leavitt Mk9 mod. 1 8.20 km 49 knots 6,233 132 m 1.00 km 96% V Marblehead,
V Marblehead Lima
Mk12 6.40 km 64 knots 11,733 172 m 1.30 km 192% VI Farragut, VI Monaghan (stock), VII Mahan (stock)
Mk15 mod. 0 9.20 km 55 knots 11,600 148 m 1.10 km 190% VI Monaghan, VII Mahan, VIII Benson (stock)
Mk15 mod. 0 7.00 km 65 knots 11,600 175 m 1.30 km 190% VII Sims (B) (stock)
Bliss Leavitt Mk7 mod. 2B 10.50 km 49 knots 9,667 132 m 1.00 km 156% VII Sims (B)
Mk15 mod. 3 4.50 km 65 knots 16,633 175 m 1.30 km 279% VII Atlanta (B)
Mk15 mod. 3 9.20 km 55 knots 16,633 148 m 1.10 km 279% VII Flint, VIII Benson,
VIII Kidd, VIII San Diego,
VIII Constellation,
IX Fletcher (stock),
IX Benham
Mk16 mod. 1 10.50 km 66 knots 19,033 173 m 1.40 km 323% VIII Anchorage, IX Fletcher, IX Velos, X Gearing (stock), X Austin
Mk29 13.70 km 43 knots 21,600 115 m 0.90 km 206% IX Black (B)
Mk29 mod. 1 13.50 km 66 knots 19,033 177 m 1.40 km 323% IX Halford
Mk17 16.50 km 66 knots 17,900 177 m 1.40 km 301% X Gearing, X Somers,
X Forrest Sherman,
XI Joshua Humphreys
Mk22 mod. 0 10.00 km 82 knots 7,033 22 m 2.20 km 31.50% VI Cachalot[2] (stock)
Mk22 mod. 1 10.00 km 82 knots 7,833 22 m 2.20 km 31.50% VI Cachalot[2]
Mk28 mod. 0 11.00 km 82 knots 7,833 22 m 2.20 km 31.50% VIII Salmon[2] (stock)
Mk28 11.00 km 86 knots 7,833 23 m 2.30 km 31.50% VIII Salmon[2]
Mk28 MIE mod. 0 8.00 km 65 knots 14,300 17 m 1.60 km 85% VIII Salmon[2] (stock)
Mk28 MIE 9.00 km 65 knots 15,867 17 m 1.60 km 96% VIII Salmon[2],
X Balao[2] (stock)
Mk29 mod. 0 12.00 km 86 knots 7,833 23 m 2.30 km 31.50% X Balao[2] (stock)
Mk29 12.00 km 89 knots 7,833 24 m 2.40 km 31.50% X Balao' [2]
Mk29 MIE 10.00 km 69 knots 17,133 19 m 1.60 km 105% X Balao[2]
Mark 29 mod 1 6.00 km 89 knots 10,000 24 m 2.40 km 56% X Gato[2]
Mark 29 Mag 2 16.50 km 66 knots 20,700 18 m 1.90 km 130% X Gato[2]
450 mm Type44 mod. 2 8.00 km 48 knots 6,800 129 m 0.80 km 107% II Umikaze
Type42 mod. 1 5.00 km 44 knots 6,133 118 m 0.70 km 96% II Umikaze (stock),
II Tachibana,
II Tachibana Lima
533 mm Type44 mod. 2 7.00 km 57 knots 9,066 153 m 1.20 km 145% III Wakatake, III Tenryu,
III Katori, IV Isokaze (stock)
533 mm Type6 7.00 km 57 knots 10,833 153 m 1.20 km 145% IV Kuma, IV Isokaze,
V Minekaze, VI Mutsu
Type8 6.00 km 63 knots 14,600 169 m 1.60 km 240% IV Yūbari, V Furutaka (stock), VI Hatsuharu (stock), VI Fubuki (stock),
VI Shinonome (B)
Type8 12.00 km 60 knots 17,233 161 m 1.60 km 287% V Yahagi
Type8 mod. 2 10.00 km 59 knots 16,267 158 m 1.50 km 269% IV Iwaki Alpha, V Furutaka, VI Aoba, VI Fubuki,
VI Hatsuharu,
VII Shiratsuyu (stock),
VII Akatsuki (stock),
VII Myoko (stock)
Type8 mod. 3 8.00 km 63 knots 14,600 169 m 1.60 km 240% V Mutsuki
Type90 15.00 km 57 knots 15,633 153 m 1.90 km 257% VII Yūdachi
Type90 mod. 1 10.00 km 62 knots 17,233 166 m 1.60 km 287% VII Shiratsuyu, VII Akatsuki, VII Myoko,
VII ARP Ashigara,
VII ARP Haguro,
VII ARP Myoko, VII ARP Nachi, VII Eastern Dragon,
VII Southern Dragon,
VIII Kagero (stock),
VIII Akizuki (stock),
VIII HSF Harekaze,
VIII Mogami, VIII Atago (B),
VIII ARP Maya, VIII ARP Takao, VIII Tone,
IX Ibuki (stock)
Type90 mod. 1 15.00 km 57 knots 23,767 161 m 1.70 km 406% IX Chikuma II
Type90 mod. 3 8.00 km 76 knots 20,967 204 m 2.50 km 355% VII Maya
Type92 7.00 km 68 knots 14,400 183 m 1.40 km 240% V Kamikaze, V Kamikaze R, V Fūjin
Type93 12.00 km 60 knots 20,967 161 m 1.60 km 355% V Agano
Type93 12.00 km 60 knots 17,223 161 m 1.60 km 287% VI Gokase, VII Tokachi[2]
Type93 13.00 km 57 knots 23,767 153 m 1.70 km 406% VII Omono[2]
Type93 15.00 km 57 knots 20,967 153 m 1.70 km 355% VIII Shimanto[2],
IX Takahashi[2], IX Minegumo
Type93 15.00 km 60 knots 23,767 161 m 1.70 km 406% X Yodo[2]
Type93 20.00 km 62 knots 20,967 166 m 2.50 km 355% IX Iwami (B), X Shimakaze (stock),
X Yoshino (B), XI Yamagiri
Type93 mod. 1 10.00 km 62 knots 17,233 166 m 1.60 km 287% VIII Kii
Type93 mod. 2 10.00 km 67 knots 20,967 180 m 1.70 km 355% VIII Kagero, VIII Akizuki,
VIII HSF Harekaze II,
IX Kitakaze (stock),
IX Yūgumo (stock), IX Ibuki,
IX Daisen
Type93 mod. 2 dw 20.00 km 67 knots 20,967 180 m 0.90 km 436% VIII Asashio (B) [3],
X Kitakami [3]
Type93 dw 15.00 km 67 knots 20,967 180 m 0.90 km 436% IX Tsurugi[3]
Type93 mod. 3 12.00 km 67 knots 23,767 180 m 1.70 km 406% IX Kitakaze, IX Yūgumo,
X Harugumo (stock),
X Shimakaze, X Hayate,
X Zao, X Yoshino (B),
XI Yamagiri
Type90 mod. 5 12.00 km 86 knots 11,833 220 m 1.70 km 194% X Kitakami
Type93 Improved 20.00 km 64 knots 23,767 172 m 2.50 km 406% XI Yamagiri
Type F3 8.00 km 76 knots 21,367 204 m 1.80 km 361% VIII AL Yukikaze,
IX Yūgumo, IX Kitakaze,
IX STAR Kitakaze,
X Shimakaze, X Harugumo,
X Zao, XI Yamagiri
Type F3 6.50 km 77 knots 21,367 207 m 1.50 km 361% IX Minegumo
Type95 mod. 3 6.00 km 78 knots 10,800 21 m 2.10 km 62% VIII I-56 [2]
Type95 mod. 3 MZ 12.50 km 73 knots 16,367 20 m 1.90 km 85% VIII I-56 [2]
Torpedo Model 1908 4.00 km 45 knots 6,133 121 m 0.70 km 96% II Storozhevoi (stock)
Torpedo Model 1910 4.00 km 51 knots 6,167 137 m 0.80 km 96% II Storozhevoi, III Derzki,
IV Izyaslav (stock)
Torpedo Model 1912 5.00 km 52 knots 7,233 140 m 0.80 km 115% IV Izyaslav, IV Svietlana
45-36NU 4.50 km 62 knots 13,667 166 m 1.00 km 229% V Okhotnik
53-27 5.00 km 65 knots 13,200 175 m 1.30 km 217% V Krasny Krym
53-36 4.00 km 64 knots 14,400 172 m 1.30 km 240% V Kirov, V Podvoisky (stock)
53-36 mod. 1 4.02 km 64 knots 14,400 172 m 1.30 km 240% V Kotovsky, V Mikoyan
53-39 8.00 km 55 knots 14,400 148 m 1.10 km 240% V Murmansk,
V Gremyashchy
53-38 4.00 km 65 knots 14,400 175 m 1.30 km 240% V Podvoisky, VI Gnevny (stock), VI Budyonny,
VI Molotov,
VIII Dmitry Pozharsky
53-39 mod. 1 4.00 km 70 knots 15,100 188 m 1.40 km 250% VI Gnevny, VII Minsk (stock), VII Shchors
53-38U 4.00 km 65 knots 17,933 188 m 1.30 km 302% VII Minsk, VII Lazo (B),
VIII Kiev (stock),
VIII Chapayev, VIII Tallinn
53-36 mod. 2 8.00 km 55 knots 14,400 148 m 1.10 km 240% VIII Kiev, VIII Pyotr Bagration,
VIII Bagration,
IX Dmitri Donskoi,
IX Tashkent (stock)
53-39 mod. 2 8.00 km 60 knots 15,100 161 m 1.20 km 250% VII Leningrad, IX Tashkent
53-39 mod. 3 10.00 km 57 knots 15,100 153 m 1.10 km 250% VIII Ognevoi, VIII Ochakov
53-39 mod. 4 10.00 km 60 knots 15,100 161 m 1.20 km 250% VII Tashkent '39,
X Kommissar, IX Udaloi
53-51 10.00 km 65 knots 17,933 175 m 1.30 km 302% IX Neustrashimy
53-49M 8.00 km 66 knots 14,600 161 m 1.40 km 244% IX Udaloi (stock),
X Grozovoi (stock)
53-50 12 km 65 knots 16,200 175 m 1.30 km 271% X Grozovoi
53-51 10.00 km 65 knots 15,100 161 m 1.20 km 250% X Delny
53-51 8.00 km 60 knots 14,400 161 m 1.20 km 240% VIII Mikhail Kutuzov,
X Smolensk,
X Alexander Nevsky
ET-46 6.00 km 53 knots 19,500 142 m 0.60 km 332% X Khabarovsk
53-51 10.00 km 60 knots 14,400 161 m 1.20 km 240% XI Zorkiy
53-36 7.00 km 75 knots 4,600 20 m 1.70 km 23% VI S-1[2] (stock)
53-36 7.00 km 75 knots 5,167 20 m 2.00 km 26% VI S-1[2]
53-36 MZ 11.50 km 62 knots 10,583 17 m 1.50 km 60% VI S-1[2] (stock)
53-36 MZ 11.50 km 65 knots 11,833 17 m 1.50 km 68% VI S-1[2]
53-38 9.00 km 75 knots 4,600 20 m 2.00 km 23% VIII L-20[2] (stock)
53-38 9.00 km 75 knots 5,167 20 m 2.00 km 26% VIII L-20[2]
53-36 MZ 12.00 km 69 knots 11,833 19 m 1.40 km 68% VIII L-20[2] (stock)
53-36 MZ 12.00 km 69 knots 13,467 19 m 1.40 km 79% VIII L-20[2]
53-38 9.00 km 65 knots 5,167 17 m 1.70 km 77% VIII S-189[2]
53-38 MZ 12.30 km 74 knots 16,367 20 m 1.70 km 99% VIII S-189[2]
53-38U 10.00 km 78 knots 4,600 21 m 2.10 km 23% X K-1[2] (stock)
53-38U 10.00 km 78 knots 5,167 21 m 2.10 km 55% X K-1[2]
53-38U MZ 13.50 km 72 knots 13,467 19 m 1.50 km 79% X K-1[2] (stock)
53-38U MZ 13.50 km 72 knots 14,600 19 m 1.50 km 87% X K-1[2]
G/6 5.00 km 49 knots 9,067 132 m 0.90 km 145% II V-25 (stock)
G/6 AV** 6.00 km 49 knots 10,600 132 m 0.90 km 172% II V-25, III G-101 (stock)
G/6D 7.00 km 52 knots 10,600 140 m 1.00 km 173% III G-101, IV V-170 (stock)
G7 7.00 km 54 knots 10,600 145 m 1.00 km 173% IV V-170
G7 4.00 km 58 knots 10,433 156 m 1.10 km 170% IV Karlsruhe
G7 Klippfisch 7.00 km 61 knots 13,700 164 m 1.30 km 227% V T-22 (stock)
G7a T1 7.50 km 62 knots 13,700 166 m 1.30 km 227% V T-22, VI Ernst Gaede (stock), VI Karl von Schönberg
G7a T1 10.00 km 62 knots 13,700 166 m 1.30 km 227% X Z-42
G7a T1 10.00 km 59 knots 13,700 158 m 1.30 km 227% VI Leipzig
G7 Steinbutt 8.00 km 65 knots 13,700 175 m 1.30km 227% VI Ernst Gaede, VI T-61,
VII Leberecht Maass (stock),
VI Admiral Graf Spee,
VI HSF Admiral Graf Spee
G7 T1 Ausf.A 10.00 km 50 knots 13,700 134 m 1.20 km 227% VII Z-31, VII Prinz Heinrich
G7 Steinbarsch 8.50 km 65 knots 14,400 175 m 1.30 km 240% VII Leberecht Maass,
VII Z-39,
VIII Z-23 (stock)
G7a T1 8.00 km 65 knots 13,700 172 m 1.30 km 227% VIII Schill
G7a T1 9.50 km 65 knots 14,400 175 m 1.30 km 240% VIII Wiesbaden
J9 6.00 km 54 knots 20,633 145 m 1.70 km 343% VIII Anhalt [2]
G7 Schildbutt 9.50 km 66 knots 14,400 177 m 1.40 km 240% VIII Z-23, IX Z-46 (stock)
G7 T1 Ausf.B 12.00 km 50 knots 16,533 134 m 1.40 km 279% VIII Gustav Julius Maerker,
VIII Zieten, IX Felix Schultz,
IX Prinz Rupprecht
G7a T1 12.00 km 64 knots 13,700 172 m 1.30 km 227% IX Z-44
G7a T1 Ausf. B 8.00 km 75 knots 18,400 201 m 1.80 km 331% IX ZF-6
G7 Wolfsbarsch 10.00 km 67 knots 14,400 180 m 1.40 km 240% IX Z-46, X Z-52 (stock)
G7 Steinwal 10.5 km 69 knots 14,400 185 m 1.40 km 240% X Z-52
G7 Steinbutt 6.00 km 65 knots 13,700 175 m 1.30 km 227% IX Siegfried, IX Ägir
G7a T1 6.00 km 64 knots 13,700 172 m 1.30 km 227% V Königsberg, VI Nürnberg, VII Yorck, VII München,
VII Weimar, VII Gneisenau,
VII Scharnhorst (B),
VII Scharnhorst '43,
VIII Z-35, VIII Tirpitz (B),
VIII Odin,
VIII Brandenburg (B),
VIII Admiral Hipper,
VIII Prinz Eugen,
VIII Mainz (B),
VIII Cross of Dorn, IX Roon,
IX Pommern (B),
X Hindenburg,
X Mecklenburg,
XI Clausewitz
G7 T1 Ausf.C 13.50 km 50 knots 16,533 134 m 1.40 km 279% X Elbing, X Schlieffen
G7e T1 mod. 0 11.50 km 73 knots 6,800 20 m 1.90 km 31% VI U-69[2] (stock)
G7e T1 11.50 km 73 knots 7,533 20 m 1.90 km 31% VI U-69[2]
G7e T3 mod. 0 12.50 km 73 knots 7,533 20 m 1.90 km 31% VIII U-190[2] (stock)
G7e T3 12.50 km 77 knots 8,633 21 m 2.10 km 35% VIII U-190[2]
G7e T3 mod. 0 MZ 7.00 km 59 knots 12,733 16 m 1.90 km 75% VIII U-190[2]
G7e T3 MZ 7.50 km 59 knots 14,300 16 m 1.90 km 85% VIII U-190[2],
X U-2501[2] (stock)
G7e T4 mod. 0 14.00 km 77 knots 8,633 21 m 2.10 km 35% X U-2501[2] (stock)
G7e T4 14.00 km 82 knots 8,633 22 m 2.20 km 35% X U-2501[2]
G7e T4 10.00 km 82 knots 9,233 22 m 2.20 km 51% X U-4501[2]
G7e T4 MZ 8.00 km 62 knots 14,300 17 m 1.90 km 85% X U-2501[2]
533 mm Mk II 6.00 km 53 knots 10,000 142 m 1.10 km 160% II Medea, III Valkyrie,
III Vampire, III Caledon,
III Caradoc, IV Wakeful,
IV Danae (stock), IV Dunedin,
IV Córdoba,
IV Queen Mary [2],
V Tiger [2], VI Renown [2]
533 mm Mk IV 7.50 km 57 knots 11,967 153 m 1.20 km 196% III Campbeltown
450 mm Mk VI 6.00 km 53 knots 4,200 142 m 1.20 km 63% III Indefatigable [2]
533 mm Mk V 6.00 km 59 knots 11,967 158 m 1.20 km 196% IV Danae, V Acasta,
V Emerald (stock),
VI Icarus (stock)
533 mm Mk VII 7.00 km 59 knots 15,733 158 m 1.20 km 262% V Emerald, V Hawkins,
VI Icarus, VI London,
VI Leander (stock),
VII Jervis
533 mm Mk IX 10.00 km 62 knots 15,433 166 m 1.30 km 257% V Delhi, VI Hobart
533 mm Mk IX* 12.00 km 62 knots 15,433 166 m 1.30 km 257% VII Uganda
533 mm Mk II 10.00 km 61 knots 15,867 164 m 1.30 km 265% VII Renown '44[2]
622 mm Mk I 10.00 km 67 knots 29,367 180 m 1.70 km 355% VII Rodney[2]
533 mm Mk VII 10.00 km 59 knots 18,433 158 m 1.20 km 311% VII Jupiter '42
533 mm Mk IX 8.00 km 61 knots 15,433 164 m 1.30 km 257% VI Leander, VI Devonshire, VI Gallant, VI Juruá,
VII Perth, VII Fiji (stock),
VIII Lightning
533 mm Mk IX* 8.00 km 61 knots 15,867 164 m 1.30 km 265% V Exeter, VI Dido,
VII Fiji, VII Surrey,
VII Rooke [2],
VIII Edinburgh (stock),
VIII Belfast '43,
VIII Hawke [2]
533 mm Mk IXM 8.00 km 61 knots 15,867 164 m 1.30 km 265% VIII Cheshire
533 mm Mk IXM 10.00 km 62 knots 15,533 164 m 1.30 km 259% VIII Hampshire
533 mm Mk VII 8.00 km 62 knots 15,533 166 m 1.30 km 259% VIII Nottingham
533 mm Mk IX** 10.00 km 62 knots 16,767 166 m 1.30 km 282% VIII Auckland
533 mm Mk IX** 10.00 km 62 knots 15,533 166 m 1.30 km 259% VIII Edinburgh,
VIII STAR Edinburgh
IX Jutland,
IX Somme
IX Neptune (stock)
622 mm Mk I 10.00 km 67 knots 29,367 180 m 1.70 km 355% IX Duncan [2]
533 mm Mk VII 13.50 km 65 knots 16,767 175 m 1.30 km 282% IX Encounter, X Cerberus
622 mm Mk I 10.00 km 67 knots 21,067 180 m 1.70 km 355% X Defence [2]
622 mm Mk I 10.00 km 67 knots 29,367 185 m 1.70 km 355% X St. Vincent [2]
533 mm Mk VII 10.00 km 62 knots 16,767 166 m 1.30 km 282% VI Orion '44, X Monmouth
533 mm Mk IXM 10.00 km 62 knots 16,767 166 m 1.30 km 282% VIII Cossack (B),
IX Neptune, IX Drake,
X Vampire II X Daring,
X Minotaur, X Goliath,
X Plymouth,
X Incomparable, XI Edgar
533 mm Mk VIII Mod 0 9.00 km 75 knots 5,933 20 m 1.70 km 31% VI Undine[2] (stock)
533 mm Mk VIII Mod 0* 10.00 km 75 knots 6,533 20 m 1.70 km 34% VI Undine[2]
533 mm Mk VIII Mod 0* 10.00 km 75 knots 7,100 20 m 1.70 km 38% VIII Sturdy[2] (stock)
533 mm Mk VIII Mod 0** 11.00 km 75 knots 7,100 20 m 1.70 km 38% VIII Sturdy[2]
533 mm Mk VIII Mod 0** 11.00 km 75 knots 6,800 20 m 1.70 km 36% X Thrasher[2] (stock)
533 mm Mk VIII 10.00 km 42 knots 5,700 11 m 1.10 km 29.00% VIII Alliance[2]
533 mm Mk VIII MZ 7.00 km 65 knots 12,600 17 m 1.70 km 74% VIII Alliance[2]
533 mm Mk VIII 12.00 km 78 knots 8,167 21 m 1.70 km 44% X Thrasher[2]
550 mm 19V 7.00 km 52 knots 7,433 140 m 1.20 km 115% II Enseigne Gabolde
550 mm 19V Mle 1 7.50 km 52 knots 7,433 140 m 1.20 km 115% III Fusilier
550 mm 19D 6.00 km 57 knots 12,233 153 m 1.20 km 199% III Friant, IV Duguay-Trouin,
V Émile Bertin
550 mm 19D Mle 0 7.50 km 57 knots 11,267 153 m 1.20 km 184% IV Bourrasque
550 mm 19D Mle 1 7.00 km 57 knots 12,233 153 m 1.20 km 199% V Siroco
550 mm 19D Mle 0 7.50 km 57 knots 11,267 153 m 1.20 km 184% V Jaguar
550 mm 23DT 6.00 km 60 knots 14,833 161 m 1.30 km 246% VI Montcalm
550 mm 23DT Mle 1 8.00 km 68 knots 14,833 183 m 1.40 km 246% VI Guépard, VII Vauquelin
550 mm 24V 8.00 km 57 knots 18,400 153 m 1.20 km 311% VI Aigle
550 mm 23DT 9.00 km 60 knots 14,833 161 m 1.30 km 246% VI La Galissonnière,
VI De Grasse, VI Dupleix, VII Algérie,
VIII Charles Martel,
VIII Bayard, IX Saint-Louis, X Henri IV, X Marceau,
XI Condé
550 mm 24V 8.00 km 65 knots 18,400 175 m 1.40 km 311% VIII Le Terrible
550 mm 24V Mle 1 8.00 km 75 knots 18,400 201 m 1.80 km 311% VIII Le Fantasque
550 mm 24V Mle 2 8.00 km 75 knots 18,400 201 m 1.40 km 311% IX Mogador, X Kléber
533 mm Mk IXM 8.00 km 62 knots 16,767 166 m 1.30 km 282% VII Haida, VII Huron
533 mm Mk VII 12.00 km 62 knots 16,767 166 m 1.30 km 282% IX Hector
533 mm Mk IXM* 13.50 km 65 knots 16,767 175 m 1.30 km 282% X Brisbane
450 mm W 200 6.00 km 48 knots 6,133 129 m 1.10 km 96% II Curtatone
500 mm G7 4.00 km 58 knots 10,433 156 m 1.10 km 170% III Taranto
533 mm Si 270 K 8.00 km 51 knots 7,333 156 m 1.10 km 115% III Nazario Sauro,
IV Turbine, V Maestrale (stock)
533 mm Si 270 G 8.00 km 51 knots 9,067 137 m 1.00 km 145% IV Giussano, V Genova
533 mm Si 270 H 10.00 km 51 knots 12,667 137 m 1.00 km 220% V Montecuccoli
533 mm Si 270 G2 8.00 km 56 knots 9,067 150 m 1.10 km 145% V Maestrale, VI Aviere (stock)
533 mm Si 270 M 12.00 km 51 knots 13,367 137 m 1.10 km 207% VI Trento, VII Zara,
VIII Amalfi
533 mm Si 270 12.00 km 51 knots 13,367 137 m 1.10 km 220% VI Leone, VI Duca d'Aosta, VII Duca degli Abruzzi
533 mm Si 270 M1 8.00 km 56 knots 10,000 150 m 1.10 km 160% VI Aviere
533 mm Si 270 M1 10.00 km 56 knots 10,000 150 m 1.10 km 160% VII Luca Tarigo, VIII Vittorio Cuniberti (stock)
533 mm 23DT 7.00 km 68 knots 14,833 183 m 1.40 km 246% VII FR25
533 mm Si 270 M2 12.00 km 56 knots 10,000 150 m 1.00 km 160% VIII Vittorio Cuniberti,
IX Adriatico (stock)
533 mm Si 270 8.00 km 72 knots 20,433 193 m 1.70 km 349% IX Michelangelo
533 mm Si 270 H2 12.00 km 56 knots 12,667 150 m 1.00 km 207% IX Adriatico
533 mm Si 270 6.00 km 67 knots 23,767 180 m 1.70 km 406% IX Paolo Emilio
533 mm Si 270 N 13.50 km 56 knots 13,900 150 m 1.10 km 230% VII Francesco Ferruccio,
IX Brindisi, X Attilio Regolo, X Venezia, X Napoli (B),
XI Piemonte
G/6 D 8.40 km 49 knots 9,233 132 m 1.10 km 175% II Longjiang
533 mm Type6* 7.00 km 57 knots 10,833 153 m 1.20 km 175% III Ning Hai
533mm Mk II 7.30 km 51 knots 10,000 137 m 1.10 km 190% III Phra Ruang,
IV Shenyang (stock)
Mark 11 6.40 km 64 knots 11,733 172 m 1.10 km 230% IV Shenyang, V Jianwei (stock)
533 mm Mk IX* 9.40 km 61 knots 15,867 172 m 0.80 km 265% V Chungking, VI Rahmat
533mm Mk VII 6.40 km 62 knots 16,700 166 m 0.80 km 341% V Jianwei, VI Fushun (stock)
533 mm 53-38 4.00 km 65 knots 14,400 175 m 1.30 km 240% VI Anshan (stock)
533 mm 53-51 8.00 km 60 knots 14,400 161 m 1.20 km 240% VI Anshan, VI Huanghe
533mm 53-51 8.00 km 61 knots 14,400 161 m 0.80 km 290% VI Fushun,
VII Gadjah Mada (stock)
Mk15 mod. 3* 10.50 km 59 knots 16,633 158 m 0.70 km 340% VII Chumphon
533mm Mk IX* 8.00 km 61 knots 15,866 161 m 0.80 km 322% VII Gadjah Mada,
VIII Hsienyang (stock)
Mk15 mod. 3 9.50 km 59 knots 16,633 158 m 0.70 km 340% VIII Hsienyang, IX Chung Mu (stock)
533 mm Mk15 Mod. 0 9.20 km 55 knots 11,600 148 m 1.10 km 190% VIII Loyang (B) (stock)
533 mm Mk31 6.70 km 68 knots 16,633 183 m 1.40 km 279% VIII Loyang (B)
Type90 mod. 1 12.00 km 67 knots 20,967 180 m 0.80 km 355% VIII Fenyang [3],
VIII Ship Smasha [3]
533 mm 53-56 10.00 km 62 knots 17,933 166 m 0.80 km 302% VIII Siliwangi
533 mm 53-56 11.00 km 62 knots 17,933 166 m 0.80 km 302% VIII Harbin
Mark 17 13.50 km 69 knots 17,900 185 m 0.80 km 368% VIII Irian
550 mm 24V Mod D 12.00 km 64 knots 18,400 172 m 0.80 km 311% VIII Wukong
Mk16 mod. 1 10.50 km 67 knots 19,033 180 m 0.80 km 395% IX Chung Mu
Mk16 mod. 2 12.00 km 67 knots 17,900 180 m 0.80 km 368% IX Sejong
53-39 mod. 4 10.00 km 60 knots 15,100 161 m 1.20 km 250% IX Dalian
Mark 17 13.50 km 69 knots 18,800 185 m 0.80 km 368% X Yueyang
53-51 11.00 km 65 knots 17,933 175 m 1.30 km 302% X Lüshun
Mark 17* 13.50 km 69 knots 17,900 185 m 0.80 km 368% X Jinan
Mark 17* 13.50 km 69 knots 18,800 185 m 0.80 km 389% XI Kunming
Torped M1913 8.00 km 55 knots 4,200 148 m 1.20 km 63% II Tátra, III Romulus
Torped M1913 mod 1 8.00 km 60 knots 6,200 161 m 1.40 km 95% IV Klas Horn,
V Visby (stock)
Torped M1924 mod 0 7.00 km 72 knots 6,200 193 m 1.60 km 95% V Muavenet
Torped M1929 8.00 km 65 knots 6,200 175 m 1.40 km 95% V Visby, VI Västerås (stock)
Torped M1924 mod 1 10.00 km 65 knots 7,533 175 m 1.40 km 119% VI Västerås, VII Skåne (stock)
Torped M1924 mod 2 6.00 km 72 knots 7,553 193 m 1.60 km 119% VI Elli
Torped M1924 mod 2 7.50 km 72 knots 7,553 193 m 1.60 km 119% VI Stord, VII Grom
Mark 10 8.00 km 57 knots 14,400 153 m 1.20 km 240% VII Błyskawica
Torped M1943 mod 2 10.00 km 76 knots 7,533 204 m 1.60 km 119% VII Stord '43
Torped M1943 12.00 km 76 knots 7,533 204 m 1.60 km 119% VII Skåne, VIII Öland (stock)
Torped M1924 mod 2 8.50 km 76 knots 10,700 204 m 1.60 km 173% VIII Split
Torped M1943 mod 1 12.00 km 76 knots 10,700 204 m 1.60 km 173% VIII Öland, VIII Orkan,
IX Östergötland (stock),
X Småland
Torped M1947 13.50 km 86 knots 10,700 231 m 1.80 km 173% IX Östergötland
Torped M1947 mod 0 9.00 km 80 knots 10,700 215 m 1.60 km 173% IX Lambros Katsonis
Torped M1947 12.00 km 86 knots 7,533 231 m 1.80 km 119% IX Jäger
Torped M1943 mod 1 13.50 km 86 knots 10,700 231 m 1.60 km 173% IX Karl XIV Johan
Torped M1947 mod 1 15.00 km 86 knots 10,700 231 m 1.80 km 173% X Halland
Torped M1947 mod 0 10.00 km 86 knots 11,200 231 m 1.60 km 180% X Gdańsk
Torped M1947 mod 2 15.00 km 86 knots 10,700 231 m 1.80 km 173% XI Dalarna
Torped M1927 mod 1 8.00 km 70 knots 17,500 188 m 1.30 km 296% XI Dalarna
533 mm Mk IX 8.00 km 61 knots 15,867 164 m 1.30 km 265% V La Argentina,
VII Coronel Bolognesi
533 mm Si 270 8.00 km 61 knots 15,867 164 m 1.30 km 265% VI Almirante Cochrane
533 mm Mk 15B 8.00 km 62 knots 16,633 166 m 1.10 km 279% VIII Ignacio Allende
533 mm Mk 17 10.50 km 66 knots 17,500 166 m 1.30 km 296% IX Santander, X San Martín
53,3 cm torpedo 12.00 km 71 knots 15,000 172 m 1.30 km 249% X Tromp
533 mm Mk VII ES 6.00 km 59 knots 11,967 158 m 1.20 km 196% IV Almirante Cervera,
V Galicia
533 mm Mk VII* ES 7.00 km 59 knots 15,733 158 m 1.20 km 262% VI Baleares
533 mm Si 270 ES 8.00 km 61 knots 15,867 164 m 1.30 km 265% VII Asturias, VIII Cataluña
533 mm MkIV* ES 8.00 km 59 knots 11,967 158 m 1.20 km 196% VIII Numancia
533 mm Mk VIII ES 8.00 km 62 knots 16,633 166 m 1.30 km 279% IX Andalucía
533 mm Mk IX ES 8.00 km 62 knots 16,633 166 m 1.30 km 279% X Castilla
533 mm Si 270 it 13.50 km 56 knots 13,900 150 m 1.30 km 240% X Álvaro de Bazán

Aerial Torpedo Data

Aerial Torpedo Data
Nation Torpedo Type Range Speed Damage Arming Distance Detection Range Flood Chance Deployed Aboard
Torpedo Mk.7D 3.0 km 35 knots 3,500 282 m 1.1 km 33% IV Langley
Torpedo Mk.7 3.0 km 35 knots 5,567 313 m 1.1 km 45% VI Ranger (stock)
Torpedo Mk.7 3.0 km 35 knots 5,567 344 m 1.1 km 45% VI Ranger
Torpedo Mk.7 mod. 1 3.0 km 43 knots 3,767 577 m 1.4 km 37% VI Independence
Torpedo Mk.7 3.0 km 35 knots 4,667 344 m 1.1 km 40% VIII Hornet
Torpedo Mk.13-2 3.5 km 35 knots 6,467 376 m 1.5 km 52% VIII Lexington (stock), VIII Enterprise
Torpedo Mk.13-2 3.5 km 35 knots 6,467 423 m 1.6 km 52% VIII Lexington
Torpedo Mk.13-2 Mod 1 3.5 km 43 knots 5,067 577 m 1.9 km 42% VIII Yorktown, (stock) VIII Essex (stock)
Torpedo Mk.13-2 Mod 1 3.5 km 43 knots 3,633 577 m 1.9 km 29% VIII Yorktown
Torpedo Mk.13-2 3.5 km 35 knots 6,467 470 m 1.6 km 52% VIII Saipan (B), VIII Sanzang
Torpedo Mk.7 mod. 1 4.0 km 35 knots 5,067 470 m 1.1 km 42% X Midway (stock)
Torpedo Mk.7 mod.1 4.0 km 35 knots 5,067 517 m 1.1 km 42% X Midway
Torpedo Mk.13-2 Mod 2 3.5 km 43 knots 6,433 577 m 1.9 km 53% X Essex
Torpedo Mk.7D 4.0 km 35 knots 4,233 517 m 1.1 km 33% X Franklin D. Roosevelt
Torpedo Mk.25 4.0 km 35 knots 6,133 470 m 1.6 km 51% XI United States
Type 91 mod. 0 3.0 km 40 knots 5,800 322 m 1.3 km 32% IV Hosho
Type 91 mod. 1 3.0 km 50 knots 5,400 447 m 1.3 km 30% VI Ryujo
Type 91 mod. 1 5.0 km 50 knots 5,400 806 m 1.3 km 30% VIII Kaga (B)
Type 91 mod. 3 5.0 km 50 knots 7,233 537 m 1.3 km 40% VIII Shokaku
Type 99 No. 80 Mk. 5 6.0 km 50 knots 9,333 671 m 1.6 km 40% IX Chikuma II
Type 91 mod. 7 6.0 km 50 knots 9,333 671 m 1.6 km 40% X Hakuryu, X Taihō,
XI Sekiryu
Type 91 mod. 8 6.0 km 50 knots 7,500 671 m 1.6 km 41% XI Sekiryu (Tactical torpedo bombers)
Type 5 2.2 km 35 knots 2,767 376 m 1.4 km 17% VI Ise
Type 5 2.2 km 35 knots 2,767 423 m 1.4 km 17% VIII Tone
TAN-12B 6.0 km 41 knots 3,333 661 m 1.3 km 28% IV Komsomolets
TAN-12 6.0 km 41 knots 3,833 661 m 1.3 km 33% VI Serov, VIII Pobeda (stock)
45-36AN-V 6.0 km 41 knots 4,667 826 m 1.3 km 40% VIII Chkalov (B)
45-36AN-A 6.0 km 41 knots 4,533 716 m 1.3 km 39% VIII Pobeda,
X Admiral Nakhimov (stock)
45-36AN-B 6.0 km 41 knots 5,200 826 m 1.3 km 45% X Admiral Nakhimov
F5c 2.0 km 50 knots 3,000 403 m 1.3 km 25% IV Rhein
F5 2.0 km 50 knots 3,600 403 m 1.3 km 31% VI Weser (stock)
F5d 2.5 km 52 knots 4,067 489 m 1.3 km 34% VI Weser, VIII Parseval
LT F5a 6.0 km 32 knots 4,200 387 m 1.1 km 23% VI Loewenhardt
LT F5b 6.0 km 35 knots 5,333 470 m 1.3 km 29% VIII Graf Zeppelin (B)
BT 1000 3.0 km 55 knots 4,533 591 m 1.4 km 39% X Richthofen
F5f 6.0 km 35 knots 4,767 470 m 1.3 km 27% X Max Immelmann
Mark VIII 2.4 km 35 knots 5,200 282 m 1.1 km 45% IV Hermes
Mark VIII 2.4 km 35 knots 5,200 329 m 1.1 km 45% VI Furious (stock)
Mark XII 2.4 km 35 knots 5,933 376 m 1.2 km 51% VI Furious
Mark VIII 2.4 km 35 knots 5,200 329 m 1.1 km 45% VI Ark Royal
Mark XII 2.4 km 35 knots 5,933 407 m 1.2 km 51% VIII Implacable (stock)
Mark XV 2.4 km 35 knots 5,933 438 m 1.3 km 63% VIII Implacable
Mark XII 2.4 km 35 knots 5,200 329 m 1.1 km 45% VIII Colossus
Mark XVII 2.4 km 35 knots 5,933 470 m 1.3 km 51% X Audacious (stock)
Mark XIX 2.4 km 35 knots 6,533 470 m 1.3 km 56% X Malta
Mark XVII 2.4 km 35 knots 5,933 493 m 1.3 km 51% X Audacious, XI Eagle
Mark XVIII 2.4 km 40 knots 7,800 564 m 1.3 km 66% XI Eagle
450 mm F200 3.5 km 30 knots 7,133 403 m 1.3 km 61% VIII Aquila

Flooding Effects

The user interface will display this icon — overlayed with the remaining duration — when a ship is experiencing flooding.

There are two parts of the ship that can flood — the forward half and the aft half. Thus there can be two simultaneous floods (only one with submarines).

Aircraft carriers, destroyers, and cruisers take 0.25% hit points of damage per second per flood; battleships and large cruisers[1] take 0.5% hit points of damage per second per flood; Admiral Graf Spee takes 0.375% hit points of damage per second per flood; and submarines take 0.33% hit points of damage per second per flood.

In addition, ships that are flooding have their top speed reduced by 30% at full speed forward, and 60% at reverse. There are also blinking red lights on its superstructure.

Controlling and Repairing Flooding

Flooding can be stopped in one of two ways:

  • activating the Damage Control PartyWhen activated, instantly repairs fires, floods, and incapacitations, and prevents more for the duration. consumable,
  • or waiting for the flood duration timer to expire.

All damage sustained by flooding is 100% recoverable by ships that can use the Repair PartyWhile active, restores a percentage of the ship's health points each second. consumable.

Flooding Duration

Flooding has a base duration of 30 seconds for carriers and submarines and 40 seconds for the other classes.

Flooding duration cannot be extended by subsequent strikes on a part of the ship that is already flooding. Otherwise, flooding duration can be altered in several ways:

  • Activation of the Damage Control Party will stop flooding immediately.
  • Equipping Slot 4 upgrade Damage Control System Modification 2 will reduce the duration by 15%.
  • A battleship commander's Basics of Survivability skill will reduce the duration by 15%.
  • In contrast, the Super-Heavy AP Shells battleship skill will extend the duration by 30%.
  • Flying the Juliet Yankee Bissotwo -20% to flooding duration. signal will reduce the duration by 20%.

Each of these effects stacks with the others; however, they are multiplicative rather than additive.

For example, if Damage Control System Modification 2 and Juliet Yankee Bissotwo are stacked, the flooding duration is:
40 seconds x 0.85 x 0.80 = 27.2 seconds.

The below tables provides the flood durations and total health loss for the different combinations of the modifiers. Full flood duration uninterrupted by Damage Control Party is assumed.

Flooding Impact to Aircraft Carriers   (0.25% HP/sec)
Modifiers Duration Single Flood Double Flood
none 30 seconds 7.5% of base health 15% of base health
With a -15% modifier 25.5 seconds 6.38% of base health 12.75% of base health
With a -20% modifier 24 seconds 6% of base health 12% of base health
With both modifiers 20 seconds 5.1% of base health 10.2% of base health


Single-Flood Impact to Battleships   (0.5% HP/sec)
Modifiers Duration Total Damage
none 40 seconds 20.0% of base health
-15% 34 seconds 17.0% of base health
-20% 32 seconds 16.0% of base health
-15%, -15% 28.9 seconds 14.5% of base health
-15%, -20% 27.2 seconds 13.6% of base health
-15%, -15%, -20% 23.1 seconds 11.6% of base health
+30% 52 seconds 26.0% of base health
-15%, +30% 44.2 seconds 22.1% of base health
-20%, +30% 41.6 seconds 20.8% of base health
-15%, -15%, +30% 37.6 seconds 18.8% of base health
-15%, -20%, +30% 35.4 seconds 17.7% of base health
-15%, -15%, -20%, +30% 30.1 seconds 15.0% of base health


Single-Flood Impact to Large Cruisers[1]   (0.5% HP/sec)
Modifiers Duration Total Damage
none 40 seconds 20.0% of base health
With a -15% modifier 34 seconds 17.0% of base health
With a -20% modifier 32 seconds 16.0% of base health
With both modifiers 27.2 seconds 13.6% of base health


Single-Flood Impact to Admiral Graf Spee   (0.375% HP/sec)
Modifiers Duration Total Damage
none 40 seconds 15.0% of base health
With a -15% modifier 34 seconds 12.75% of base health
With a -20% modifier 32 seconds 12.0% of base health
With both modifiers 27.2 seconds 10.2% of base health


Single-Flood Impact to Cruisers and Destroyers   (0.25% HP/sec)
Modifiers Duration Total Damage
none 40 seconds 10.0% of base health
With a -15% modifier 34 seconds 8.5% of base health
With a -20% modifier 32 seconds 8.0% of base health
With both modifiers 27.2 seconds 6.8% of base health
Single-Flood Impact to Submarines   (0.33% HP/sec)
Modifiers Duration Total Damage
none 30 seconds 9.9% of base health
With a -15% modifier 25.5 seconds 8.4% of base health
With a -20% modifier 24 seconds 7.9% of base health
With both modifiers 20.4 seconds 6.7% of base health

Notes

Sources

Updated Mechanics for Flooding News article 12-Feb-2019.

Endnotes