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Revision as of 16:56, 17 February 2020
Engine Room Protection
Revision as of 23:38, 29 March 2020
references to Wikipedia for ship and class
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 |Ref= <!-- write below --> |Ref= <!-- write below -->
 +# [https://en.wikipedia.org/wiki/HMS_Cossack_(F03) HMS ''Cossack'' (F03) - Wikipedia]
 +# [https://en.wikipedia.org/wiki/Tribal-class_destroyer_(1936) Tribal-class destroyer (1936) - Wikipedia]

Revision as of 23:38, 29 March 2020

Destroyer | U.K. | Tier VIII
Tech Tree Position
Purchase pricepromo Doubloons
Hit Points15,200 
Main Battery
120 mm/45 CPXIX4 х 2 pcs.
Rate of Fire12 shots/min.
Reload Timesec.
Rotation Speed20 deg./sec.
180 Degree Turn Timesec.
Firing Range11.89 km.
Maximum Dispersion104 m.
HE Shell120 mm HE 
Maximum HE Shell Damage1,700 
Chance of Fire on Target Caused by HE Shell%
Initial HE Shell Velocity808 m./s.
HE Shell Weight22.68 kg.
AP Shell120 mm AP 
Maximum AP Shell Damage2,100 
Initial AP Shell Velocity808 m./s.
AP Shell Weight22.68 kg.
Torpedo Tubes
533 mm QR Mk II1 х 4 pcs.
Rate of Fire0.91 shots/min.
Reload Time66 sec.
Rotation Speed25 deg./sec.
180 Degree Turn Time7.2 sec.
Torpedo533 mm Mk IXM 
Maximum Damage16,767 
Torpedo Speed62 knot
Torpedo Range9.99 km.
AA Defense
12.7 mm Mk III2 х 4 pcs.
. . . Average Damage per Second4.2 
. . . Firing Range1.2 km.
40 mm/39 QF Mark VII1 х 4 pcs.
. . . Average Damage per Second12.9 
. . . Firing Range2.49 km.
Maximum Speed36 knot
Turning Circle Radius610 m.
Rudder Shift Time3.6 sec.
Surface Detectability Range6.97 km.
Air Detectability Range3.12 km.
Battle Levels

Cossack — British promo premium Tier VIII destroyer.

One of the renowned Tribal-class destroyers with an emphasis on gunnery over torpedo warfare. During World War II, the ship's AA defenses were reinforced at the cost of one main gun mount.


Main Battery Rate of Fire
180° Turn Time
Maximum Dispersion
Maximum HE Shell Damage
Chance of Fire on Target Caused by HE Shell
Maximum AP Shell Damage
Research price
Purchase price
( Credits)
120 mm/45 CPXIX1291041,70082,100 00
Hull Hit Points
Main Turrets
Secondary Gun Turrets
AA Mounts
Torpedo Tubes
Hangar Capacity
Research price
Purchase price
( Credits)
Cossack15,20062042/110 00
Torpedoes Rate of Fire
Torpedo Tubes Reload Time
180° Turn Time
Maximum Damage
Torpedo Speed
Torpedo Range
Research price
Purchase price
( Credits)
533 mm Mk IXM0.9667.216,7666210 00
Gun Fire Control System Firing Range Increase
Maximum Firing Range
Research price
Purchase price
( Credits)
Mk VIII mod. 1011.9 00
Engine Maximum Speed
Research price
Purchase price
( Credits)
Propulsion: 44,000 hp36 00

Compatible Upgrades

 Slot 1  Main Armaments Modification 1 Auxiliary Armaments Modification 1 Magazine Modification 1
 Slot 2  Damage Control System Modification 1 Engine Room Protection
 Slot 3  Main Battery Modification 2 AA Guns Modification 1 Aiming Systems Modification 1 Torpedo Tubes Modification 1
 Slot 4  Damage Control System Modification 2 Steering Gears Modification 1
 Slot 5  Torpedo Lookout System Concealment System Modification 1 Steering Gears Modification 2 Ship Consumables Modification 1

Player Opinion


Tier VIII Premium Cossack is a comfortable blend of firepower and concealment. Captains will notice many similarities between Cossack and Tier VII Premium Commonwealth destroyer Haida. Her performance is very similar and she shares many of the same strength and weaknesses as her sister ship. The most obvious difference between the two ships if the number of main battery rifles, with Cossack bringing an extra pair of them to the fight.

The guns on Cossack are plentiful and provide the ship with excellent firepower, although captains will note the firing angles on the 'Y' turret are quite poor; Cossack must expose a lot of her profile in order to bring all four turrets into a fight. However, when she does manage to get all her guns firing, she boasts an impressive damage rate with her HE shells (complimented by a base fire chance of 8%). This presents Cossack with almost unrivaled gun power for her tier, capable of quickly dispatching of destroyers that get caught out by her good concealment.

Cossack’s Smoke Generator (While active, generates a smoke screen that blocks line-of-sight for both enemies and teammates.) provides her with a quick smoke screen which will allow her to bring her guns into play before before she is forced to move on by the relatively short duration of her smoke. This does, however, promote usage of her smoke primarily for defensive play, as she is able to deploy it to quickly break line of sight with pursuing enemy ships. Captains of Cossack will find that because of the relatively short smoke duration they are forced to re-position frequently, but her excellent concealment blends well with this.

Cossack also gains access to a Hydroacoustic Search (While active, detects all enemy ships and torpedoes within the specified radius, without regard of obstacles such as smoke and terrain.); however, she trades most of its offensive usability for defensive flexibility. Despite being very short-ranged (only 3.0 km), it provides plenty of forewarning about hostile torpedoes. The long duration of this consumable helps to ensure Cossack captains are almost never caught out by hostile torpedoes, able to keep themselves safe during prolonged confrontations. Captains may also opt to use her hydro in a more aggressive manner by pushing close to enemy smoke screens that may have destroyers lurking within, but the short range of her hydro makes doing so a fairly risky play. However, the Hydroacoustic Search (While active, detects all enemy ships and torpedoes within the specified radius, without regard of obstacles such as smoke and terrain.) is less than ideal for this task as it falls short on spotting range when compared to that of other destroyers at her tier, such as German Z-23 or Pan-Asian Loyang.

Another of Cossack’s key strengths is her excellent concealment. Her low base detection range allows her to deal with enemy destroyers while providing her with the flexibility to control an engagement, choosing when and where to open fire. Her concealment provides her with a buffer zone against other destroyers, allowing Cossack to evade ships which outgun her, while outgunning ships which out-spot her. Her smoke screen benefits her when used to enable such a play style, allowing her to break detection and disengage if required.

Things are not all smooth sailing for Cossack though, and she has a few glaring weaknesses. Her foremost issue is her torpedoes, which — although good — are lacking in quantity, as she mounts only a single quadruple-tube launcher. On top of this, the restrictive gun angles of her main battery can also limit the true effectiveness of her guns during close quarter duels. This, when combined with her relatively small health pool can make close quarter duels a somewhat risky business. Lastly, her anti-aircraft defenses are inadequate even for self-defense, so captains must fall back to their team for defense against enemy air attacks.

Captains of Cossack will find the most success using her concealment to sneak upon unsuspecting destroyers and from here pushing into a knife fight to secure the kill. This will allow her to ensure her guns land as many hits as possible, using a mix of her single launch torpedoes and high DPM main battery. Careful and calculated usage of her Smoke Generator (While active, generates a smoke screen that blocks line-of-sight for both enemies and teammates.) will allow captains to effectively fight or flee from any enemy ships will allow Cossack to best perform her role as a defensive scout, providing spotting for the team and probing around caps while remaining close to friendly ships to deter attacks from hostile destroyers.


  • Powerful main battery: eight guns with a rapid rate of fire.
  • Decent torpedoes with good damage, speed, range, and reload.
  • Can equip the Hydroacoustic Search (While active, detects all enemy ships and torpedoes within the specified radius, without regard of obstacles such as smoke and terrain.) consumable, giving her superior detection abilties.
  • Good maneuverability, with good rudder shift, turning radius, and a decent top speed.
  • Great concealment, superior to all other same-tier destroyers except those of Japan (excluding Akizuki).


  • Smoke from Smoke Generator (While active, generates a smoke screen that blocks line-of-sight for both enemies and teammates.) disperses very quickly.
  • Only one set of torpedo tubes; can only put four torpedoes in the water at a time.
  • Virtually non-existent anti-aircraft armament.
  • Torpedo range may be inadequate in Tier X matches where ships with long-range Surveillance Radar (While active, detects all enemy ships within the specified radius, disregarding obstacles such as smoke and terrain.) range are abundant.
  • Single torpedo launcher has a narrow forward firing arc, not much beyond 90 degrees off either side.


As a Premium ship, Cossack doesn't have any upgrades to research.

Optimal Configuration


As a Tier VIII Destroyer, Cossack gets significant benefits from some upgrades. As a ship that makes use of not being seen, Concealment System Modification 1 (Reduces the detectability range of the ship and aircraft carrier's squadrons: -10% to detectability radius. / +5% to the dispersion of enemy shells fired at your ship.) is vital. Players who wish to avoid detonations without running the appropriate flag may want to use Magazine Modification 1 (Reduces the risk of magazine detonation: -70% risk.), and those who use the flag will get use out of Main Armaments Modification 1 (-20% to the risk of main battery becoming incapacitated. / +50% to main battery survivability. / -20% to main battery repair time. / -20% to the risk of torpedo tubes becoming incapacitated. / +50% to torpedo tubes survivability. / -20% to torpedo tubes repair time.). Aiming Systems Modification 1 (Increases the firing accuracy of the main battery and secondary battery, accelerates the traverse speed of torpedo tubes, and extends the firing range of the secondary battery: -7% main battery dispersion. / +20% torpedo tubes traverse speed. / +5% secondary battery firing range. / -5% secondary battery dispersion.) is useful in the third slot for the increased torpedo tube traverse rate and decreased dispersion. Cossack is unable to mount Propulsion Modification 1 (Reduces time to full speed: -50% to time for reaching full power. / Increases engine power when the ship starts moving.) so she is forced to choose between Steering Gears Modification 1 (Reduces rudder shift time: -20% rudder shift time.) or Damage Control System Modification 2 (Accelerates fire extinguishing and recovery from flooding: -15% flooding recovery time. / -15% fire duration.).

The recommended upgrades for Cossack are as follows:

Commander Skills

Key skills for Cossack commanders include Last Stand, Survivability Expert, and Concealment Expert.


Cossack can equip the following consumables:

It is recommended that captains use Premium consumables to get the most out of the ship.


As a Premium ship, Cossack comes included with Type 10 camouflage that lowers her detection radius, reduces the accuracy of incoming shells, reduces her repair costs, and increases the amount of experience she earns.


Cossack captains should mount standard signal flags to improve the ship's performance in battle. Sierra Mike (+5% to the ship's maximum speed.) signal flags are highly recommended to increase the ship's top speed. 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.) and India X-Ray (+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. / +5% to the risk of your ship's magazine detonating.) flags can be mounted to improve the ship's main battery fire chance. November Foxtrot (-5% reload time on all consumables.) is also recommended to reduce consumable cooldown timers. Lastly, economic and special signal flags can be mounted to increase the ship's economic gains per battle.


Historical Info

Historical Gallery


  1. HMS Cossack (F03) - Wikipedia
  2. Tribal-class destroyer (1936) - Wikipedia
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