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How it Works: Upgrades. 30 Jun 2020

A player earns access to Upgrades at Access Level 9, allowing him to customize and improve each ship's performance to suit his play style. Ships of different tiers have access to different upgrades, described by the tables below. Certain upgrades are unique to certain ship types or nations, or even to a specific ship; check the Notes table columns for more detail.

Managing upgrades

One upgrade can be mounted in each slot. A particular upgrade can be mounted only in its appropriate slot.

An upgrade — mounted or demounted (in Inventory) — can be sold for half of its nominal purchase cost (some upgrades are not purchasable but obtained by other means).
If the desired upgrade is available in Inventory, it may be mounted only from Inventory; an upgrade can be purchased only if one is not available in Inventory.

A mounted upgrade can be demounted to Inventory for 25 , or sold. When selling a ship, all upgrades mounted on that ship must either be sold or demounted.
If the amount of is insufficient for demounting upgrades when selling a ship, they will be sold for instead.

A mounted upgrade can be demounted to Inventory without any cost if any one of these instances below happens:

• When a tech-tree ship is sold as part of a line reset. See Research Bureau article for more details.
• When a rental ship is removed from player's account after the end of the rental period.
• When a Premium or Special ship is used for exchanging during a Trade-in event.

Base Upgrades

Base upgrades are purchased for credits. Some packages for purchase, challenge rewards, and mission rewards may also grant base upgrades.
During certain events, base upgrades can be purchased for half of their nominal cost.

Slot 1 (Tier I+)

Icon	Equipment Name	Cost	Description	Notes
	Main Armaments Modification 1	125,000	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%.	Not available to aircraft carriers.
	Auxiliary Armaments Modification 1	125,000	Secondary battery survivability: +100%. AA mounts survivability: +100%.	Not available to submarines. Stacks with Preventive Maintenance commander skills (both battleship and destroyer).
	Aiming Systems Modification 0	125,000	Main battery traverse speed: +20%. Maximum dispersion of main battery shells: +40%. Torpedo tubes traverse speed: +20%. Secondary battery maximum firing range: +20%. Maximum dispersion of secondary battery shells: -40%.	Available only to Iwaki Alpha, Yubari, and Katori.
	Air Groups Modification 1	125,000	Air squadron return speed: -20% .	Available only to aircraft carriers.
	Sonar Modification 1	125,000	Improves sonar survivability: Risk of the sonar becoming incapacitated: -25%. Sonar repair time: -25%.	Available only to submarines.

Slot 2 (Tier III+)

Icon	Equipment Name	Cost	Description	Notes
	Damage Control System Modification 1	250,000	Risk of flooding when torpedoes hit the torpedo protection: -3%. Risk of catching fire: -5%.	Torpedo flooding modifier only applies to ships with a torpedo protection system (viewable under the Survivability tab of the Port screen). Not available to submarines.
	Engine Room Protection	250,000	For engine and steering gears: Risk of engine and steering gear becoming incapacitated: -20%. Engine and steering gear repair time: -20%.	Not available to aircraft carriers.
	Aircraft Engines Modification 1	250,000	Squadron engine boost duration: +10%.	Available only to aircraft carriers. Stacks with the Improved Engine Boost skill.
	Sonar Modification 2	250,000	Quicker target acquisition: Sonar ping velocity: +10%.	Available only to submarines. Stacks with the Enhanced Impulsed Generator commander skill.
	Damage Control System Modification 3	250,000	Damage taken from fire: -5%. Damage taken from flooding: -5%.	Available only to submarines.

Slot 3 (Tier V+)

Icon	Equipment Name	Cost	Description	Notes
	Main Battery Modification 2	500,000	Main battery traverse speed: +15%.	Stacks with Grease the Gears commander skills (+20% for battleship, +15% for cruiser and destroyer) and Main Battery Modification 3 upgrade.
	Aiming Systems Modification 1	500,000	Maximum dispersion of main battery shells: -7%. Torpedo tubes traverse speed: +20%. Secondary battery maximum firing range: +5%. Maximum dispersion of secondary shells: -5%.	American battleships have access to Artillery Plotting Room Modification 1 instead. Stacks with the cruiser commander skill Outnumbered .
	Artillery Plotting Room Modification 1	500,000	Extends the firing range of the main battery and secondary battery Main battery maximum firing range: +16%. Secondary battery maximum firing range: +5%. Maximum dispersion of secondary battery shells: -5%.	Available only to American battleships. Stacks with Long-Range Secondary Battery Shells, Manual Secondary Battery Aiming commander skills.
	Attack Aircraft Modification 1	500,000	Attack aircraft attack time: +2 seconds.	Available only to aircraft carriers.
	Torpedo Bombers Modification 1	500,000	Torpedo bomber attack time: +5 seconds.	Available only to aircraft carriers.
	Skip Bomber Modification 1	500,000	Skip bomber attack time: +2 seconds.	Available only to aircraft carriers.
	Torpedo Tubes Modification 1	500,000	Torpedo speed: +5%. Torpedo tubes traverse speed: +20% Risk of torpedo tubes becoming incapacitated: -40%	Not available to aircraft carrier. Stack with Swift Fish commander skills (both cruiser and destroyer).
	Aerial Torpedoes Modification 1	500,000	Aerial torpedo speed: +5%.	Available only to aircraft carriers.
	Secondary Battery Modification 1	500,000	Secondary battery range: +20%. Maximum secondary battery dispersion: -20%.	Stacks with Long-Range Secondary Battery Shells, Manual Secondary Battery Aiming and Pack-a-Punch commander skills. For more details, see the Secondary Armament article. Not available to destroyers and submarines.
	AA Guns Modification 1	500,000	Priority AA sector preparation time: -20%.	See the Anti-Aircraft Fire article for the secrets of AA defenses. Not available to aircraft carrier.
	Dive Capacity Modification 1	500,000	Dive Capacity Recharge Rate per Second: +10%.	Available only to submarines. Stacks with Improved Battery Capacity and Improved Battery Efficiency commander skills.

Slot 4 (Tier VI+)

Icon	Equipment Name	Cost	Description	Notes
	Damage Control System Modification 2	1,000,000	Fire extinguishing time: -15%. Flooding recovery time: -15%.	Stacks with the battleship commander skill Basics of Survivability .
	Propulsion Modification 1	1,000,000	Reduces time to full speed Time to reach full power when accelerating: -50%.	Not available to tech tree British battlecruisers, British light cruisers, British destroyers, tech tree American standard battleships (Kansas, Minnesota and Vermont.), tech tree Pan-American battleships (Ipiranga, Los Andes and Libertad.) and ships with high acceleration parameter by default. Not available to aircraft carriers. Details in footnote.
	Steering Gears Modification 1	1,000,000	Rudder shift time: -20%.	Not available to aircraft carriers or submarines.
	Air Groups Modification 3	1,000,000	Squadron speed: +5%. Aircraft preparation time: -5%. Squadron HP: +15%.	Available only to hybrid ships. Stacks with Focus Fire Training commander skills (battleship and cruiser).
	Attack Aircraft Modification 2	1,000,000	Attack aircraft HP: +7.5%.	Available only to aircraft carriers. Stacks with Survivability Expert commander skill and Air Groups Modification 2 .
	Torpedo Bombers Modification 2	1,000,000	Torpedo bomber HP: +7.5%.	Available only to aircraft carriers. Stacks with Survivability Expert commander skill and Air Groups Modification 2 .
	Bombers Modification 1	1,000,000	+Bomber aircraft HP: +7.5%.	Available only to aircraft carriers. Stacks with Survivability Expert commander skill and Air Groups Modification 2 .
	Skip Bomber Modification 2	1,000,000	Skip bomber HP: +7.5%.	Available only to aircraft carriers. Stacks with Survivability Expert commander skill and Air Groups Modification 2 .
	Depth Charges Modification 1	1,000,000	More deep explody things. Number of Charges: +2.	Available to ships with ship-based ASW system.
	Airstrike Modification 1	1,000,000	Stronger air strikes. Airstrike armament reload time: +20%. Airstrike aircraft HP: +25%. Depth charge damage: +15%.	Available to ships with anti-surface air strike capability and to those with no organic ASW weapon system. Stacks with Focus Fire Training (both battleship and cruiser) and AA Defense and ASW Expert (+10% depth charges damage for battleship and +15% for cruiser) commander skills.
	Submarine Steering Gears	1,000,000	For a more agile submarine. Rudder shift time: -50%. Diving plane shift time. -59%	Available only to submarines. Stacks with the Enhanced Rudder Gears  consumable and the commander skill Helmsman.

Slot 5 (Tier VIII+)

Icon	Equipment Name	Cost	Description	Notes
	Torpedo Lookout System	2,000,000	Assured acquisition range of torpedoes: 1.8 km.	Stacks with the battleship commander skill Vigilance. Does not extend the torpedo acquisition range for the Hydroacoustic Search  consumable. Not available to aircraft carriers and submarines.
	Ship Consumables Modification 1	2,000,000	Ship consumable action time: +10% Ship consumable total usage time: +2.5%	Aircraft carriers has access to Squadron Consumables Modification 1 instead. Stacks multiplicatively with Emergency Repair Expert and Consumables Enhancements (both cruiser and destroyer) commander skills,
	Squadron Consumables Modification 1	2,000,000	Number of squadron consumable charges: +1.	Available only to aircraft carriers.
	Concealment System Modification 1	2,000,000	Ship's detectability range: -10%. Squadron detectability range: -10%. Dispersion of shells fired by enemies attacking your ship: +5%	Stacks multiplicatively with various concealment skills. Not available to submarines.
	Steering Gears Modification 2	2,000,000	Rudder shift time: -40%. Steering gears repair time: -80%.	Not available to battleships, aircraft carriers or submarines. Stacks with Steering Gears Modification 1 .
	Flight Control Modification 1	2,000,000	Does not increase the maximum number of each type of tactical squadron aircraft on deck. Aircraft restoration time: -5% Squadron aircraft on deck: +2	Available only to aircraft carriers. Stacks with the Air Supremacy skill.
	Torpedo Tubes Modification 3	2,000,000	Torpedo damage: +7%.	Available only to submarines.
	Reinforced Bulkheads	2,000,000	Damage taken from depth charges: -15%.	Available only to submarines.

Slot 6 (Tier IX+)

Icon	Equipment Name	Cost	Description	Notes
	Main Battery Modification 3	3,000,000	Main battery reload time: -12%. Main battery traverse speed: -13%.	Guns reload faster in exchange for slower turret traverse. Stacks multiplicatively with a number of commander skills. Mitigated by the Grease the Gears commander skills (+20% for battleship, +15% for cruiser and destroyer) and Main Battery Modification 2 upgrade.
	Torpedo Tubes Modification 2	3,000,000	Torpedo tube reload time: -15%. Risk of torpedo tubes becoming incapacitated: +50%.	Torpedo tubes reload faster in exchange for greater risk of incapacitation. Stacks with Fill the Tubes commander skills (both cruiser and destroyer). Mitigated by Main Armaments Modification 1 , Torpedo Tubes Modification 1 upgrades and Preventive Maintenance commander skills (both battleship, destroyer and submarine). Not available to aircraft carriers.
	Gun Fire Control System Modification 2	3,000,000	Main battery firing range: +16%.	Not available to Russian destroyers, Russian battleships (except for AL Sov. Rossiya, Navarin, Mahtaga, Slava and Sibir), tech tree Italian battleships, or American battleships. Stacks with the destroyer commander skill Main Battery and AA Expert.
	Artillery Plotting Room Modification 2	3,000,000	Maximum main battery shell dispersion: -11%.	Available only to American battleships.
	Flight Control Modification 2	3,000,000	Squadron speed: +5%.	Available only to aircraft carriers. Stacks with Improved Engines, Bomber Flight Control.
	Air Groups Modification 2	3,000,000	Squadron HP: +7.5%.	Available only to aircraft carriers. Stacks with the Slot 4 aircraft upgrades, and Survivability Expert.
	Auxiliary Armaments Modification 2	3,000,000	Secondary battery reload time: -20%. Continuous AA damage: +15%. Damage to AA shell explosions: +15%. Number of explosions produced by AA defense salvo when the Defensive AA Fire  consumable is active: +2.	Stacks with a number of commander skills. Not available to submarines.
	Dive Capacity Modification 2	3,000,000	Allows longer dives. Dive capacity: +15%.	Available only to submarines. Stacks with the commander skills Improved Battery Capacity.

Special Upgrades

A special upgrade is an upgrade that modifies the behavior of an associated consumable. These upgrades are obtained through the Armory, currently for Coal. Special upgrades mount and demount like other upgrades — only one upgrade in a slot at one time.

The ship must be able to equip the corresponding consumable in order to mount the upgrade.

A special upgrade does nothing if its corresponding consumable is not mounted. For instance, Defensive AA Fire Modification 1 functions only if a Defensive AA Fire  consumable is also mounted.

Slot 1

Icon	Equipment Name	Cost	Sell Price	Description	Notes
	Damage Control Party Modification 1	17,000	625,000	Increases the action time of the Damage Control Party and Fast Damage Control Team consumables. Consumable action time: +40%.	Any ship. Stacks multiplicatively with the battleship commander skill Emergency Repair Expert and Ship Consumables Modification 1 upgrade.
	Spotting Aircraft Modification 1	17,000	625,000	Increases the action time of the Spotting Aircraft, Rapid Takeoff Spotter, and High-Precision Spotter consumables. Consumable total usage time: +5%. Consumable action time: +30%	Ships with the appropriate type of spotter aircraft consumable only. Note the interaction with the cruiser commander skill Eye in the Sky. Stacks with Ship Consumables Modification 1 upgrade.

Slot 2

Icon	Equipment Name	Cost	Sell Price	Description	Notes
	Engine Boost Modification 1	17,000	625,000	Increases the action time of the Engine Boost and Emergency Engine Power consumables. Consumable action time: +30% Consumable total usage time: +5%.	Tier III-X ships with the appropiate type of Engine Boost  consumable only. Stacks with Ship Consumables Modification 1 and Consumable Enhancements commander skills (both cruiser and destroyer).
	Defensive AA Fire Modification 1	17,000	625,000	Consumable action time: +20%. Consumable cooldown time: -10%.	Ships with a Defensive AA Fire  consumable only. Stacks with Ship Consumables Modification 1 and Consumables Specialist commander skills (both battleship and cruiser).
	Hydroacoustic Search Modification 1	17,000	625,000	Increases the action time of the Hydroacoustic Search and Short-Range Hydroacoustic Search consumables. Consumable action time: +20%.	Ships with the appropriate type of Hydroacoustic Search  consumable only. Stacks with Ship Consumables Modification 1 and Consumables Enhancements commander skills (both cruiser and destroyer).
	Surveillance Radar Modification 1	17,000	625,000	Consumable action time: +20%.	Ships with a Surveillance Radar  consumable only. Stacks with Ship Consumables Modification 1 and Consumables Enhancements commander skills (both cruiser and destroyer).
	Reserve Battery Unit Modification 1	17,000	625,000	Reserve Battery Unit consumable action time: +20%.	Available only to submarines.

Slot 3

Icon	Equipment Name	Cost	Sell Price	Description	Notes
	Smoke Generator Modification 1	17,000	625,000	Increases the action time of the Smoke Generator, Short-Burst Smoke Generator, Crawling Smoke Generator, Exhaust Smoke Generator, and Smoke Curtain Generator consumables. Smoke Curtain generator consumable action time: +20%. Smoke Generator consumable action time: +20%. Smoke Generator consumable total usage time: +5%.	Tier V-X ships with the appropriate type of Smoke Generator consumable only. Stacks with the Consumables Enhancements commander skills (both cruiser and destroyer).
	Submarine Surveillance Modification 1	17,000	625,000	Submarine Surveillance  preparation and cooldown time: -20%.	Available only to ships with the Submarine Surveillance  consumable.

Unique Upgrades ("Legendary" Upgrades)

Unique upgrades (often referred to as "Legendary upgrades") are upgrades for Tier X tech tree ships. The aim of these upgrades is to adjust the characteristics of a ship to make it perform better in a specific role or offer an alternative style of game play while keeping ships in balance with each other, even if one ship has the unique upgrade and another does not.

The upgrades mount and demount like other upgrades (only one upgrade in a slot at a time) in slots 5 or 6, depending on the ship. In the Upgrades section of the Equipment page in Port, a small red star will appear on the slot where a unique upgrade can be mounted when one is available in Inventory.

To obtain a unique upgrade, each can be purchased for 19,200 in the Research Bureau section of the Armory.

Slot 5

By occupying Slot 6, these upgrades block some popular choices such as Concealment System Modification 1 .

——  Upgrades  ——  (click here)

Icon	Equipment Name	Sell Price	Description	Notes
	Enhanced Engineering Systems	2,500,000	Expands the ship's tactical role by allowing for a more dynamic combat style. Rudder shift time: -40%. Steering gears repair time: -80%. Main battery traverse speed: +13%.	Conqueror only.
	Reinforced Emergency Response	2,500,000	Improves the ship's tactical role by increasing survivability and maneuverability. Rudder shift time: -30%. Steering gears repair time: -70%. Fire extinguishing time: -10%. Flooding recovery time: -10%.	Montana and BA Montana only.
	Upgraded Damage Control Equipment	2,500,000	Improves the ship's survivability and maneuverability. Rudder shift time: -20%. Repair Party consumable action time: +20% Fire extinguishing time: -50%. Flooding recovery time: -50%.	Hindenburg and AL Hindenburg only.
	Improved Main Battery Loading Mechanisms	2,500,000	Improves the ship's tactical role by increasing the efficiency of long-range engagements. Makes close-quarters engagements more challenging. Ship's detectability range: +10%. Main battery firing range: +5%. Main battery reload time: +10%.	Henri IV only.
	Aerosol Smoke Curtain System	2,500,000	Improves the ship's tactical role by reducing the minimum effective engagement range thanks to the ability to maneuver in smoke areas at low speeds. Ship's detectability range: -5%. Ship consumables preparation and reload times: -10%. Smoke Generator consumable action time: +300%. Smoke screen dispersion time: -20%.	Minotaur only.
	Augmented Smoke Generators	2,500,000	Strengthens the ship's tactical role, allowing for more frequent maneuvers under the cover of smoke. Number of Smoke Generator consumable charges: +2. Smoke Generator consumable cooldown time: -55%	Venezia only.
	Master Fire Control Director	2,500,000	Improves the ship's tactical role by increasing the efficiency of artillery. Demands higher alertness in close-quarters engagements due to a reduced margin for error. Main battery firing range: +10%. Main battery reload time: -6%. Ship consumable action time: -20%.	Khabarovsk only.
	Torpedo Fire Control System	2,500,000	Improves the ship's tactical role by increasing the efficiency of torpedo attacks. Ship's detectability range: -5% Torpedo speed: +12%. Torpedo tube reload time: -15%. Dispersion of shells fired by enemies attacking your ship: +5%.	Z-52 and Sharqi only.
	Improved Hull Concealment	2,500,000	Improves the ship's tactical role by increasing the efficiency of sudden and stealth attacks. Ship's detectability range: -15%. Maximum dispersion of shells fired by enemies attacking your ship: +5%. Main battery reload time: +15%. Torpedo tube reload time: +5%.	Gearing only.
	Improved Main Artillery	2,500,000	Improves the ship's tactical role by increasing the efficiency of artillery at mid-range. Surveillance Radar  consumable action time: +20%. Main battery reload time: -18%. Ship HP: +10% Smoke screen dispersion time: +20%.	Yueyang only.
	Enhanced Torpedo Loading Mechanism	2,500,000	Improves the ship's tactical role by enabling more effective use of torpedo attacks. Requires careful aiming and positioning, as reduced artillery efficiency increases the risks in direct engagements. Ship's detectability range: -10%. Torpedo speed: +15%. Torpedo tube reload time: -20%. Main battery reload time: +12%.	Daring only.
	Additional Smoke Generators	2,500,000	Improves the ship's tactical role by reducing the minimum effective engagement range thanks to the ability to maneuver in smoke areas at low speeds. Number of ship consumable charges: +1. Smoke Generator consumable action time: +100%. Smoke screen dispersion time: +30%. Main battery reload time: -6%	Harugumo only.
	Improved Electrical Systems	2,500,000	Changes the ship's tactical role by enhancing her firepower and allowing her to counter aircraft and submarines more efficiently. Airstrike armament reload time: -15%. Continuous AA damage: +15%. Main battery reload time: -10%.	Vermont only.

Slot 6

By occupying Slot 6, these upgrades block some popular choices such as Main Battery Modification 3 .

——  Upgrades  ——  (click here)

Icon	Equipment Name	Sell Price	Description	Notes
	Main Battery Fire Control Station	2,500,000	Improves the ship's tactical role by increasing efficiency at all ranges. Requires cautious positioning to avoid the heightened dangers of prolonged or close-quarters engagements. Main battery reload time: -18%. Fire extinguishing time: +15%. Flood recovery time: +15%.	République only.
	Improved Ammunition Hoists	2,500,000	Improves the ship's tactical role by increasing the efficiency of short- and medium-range engagements. Main battery reload time: -10%. Secondary battery reload time: -15%. Main battery firing range: -8%.	Großer Kurfürst only.
	Main Battery Director System	2,500,000	Improves the ship's tactical role by increasing the efficiency of long-range engagements. Maximum main battery shells dispersion: -7%. Main battery traverse speed: -13%.	Yamato and Yamato Kai only. There is an identical, event-exclusive version for ARP Yamato.
	Automated Main Battery Loading Mechanism	2,500,000	Changes the ship's tactical role by shifting the effective engagement range from long to medium distance. Number of ship consumable charges: +1. Main battery reload time: -18%. Main battery firing range: -12%.	Kremlin only.
	Improved Bridge	2,500,000	Improves the ship's tactical role by increasing the efficiency of open-area engagements. Maximum main battery shells dispersion: -7%. Main battery firing range: +8%.	Zao and Zao CLR only.
	Enhanced Propulsion Plant	2,500,000	Improves the ship's tactical role by increasing the efficiency of dynamic short- and medium-range engagements. Time to reach full engine power when accelerating: -50%. Rudder shift time: -20%.	Des Moines only.
	Enhanced Countermeasures	2,500,000	Improves the ship's tactical role by increasing the efficiency of AA guns and consumables. Number of ship consumable charges: +1. Ship consumable preparation and reload time: -20% . Priority AA sector preparation time: -20%.	Worcester only.
	Ballistic Capped Armor-Piercing Shells	2,500,000	Improves the ship's tactical role by increasing artillery effectiveness, particularly against large targets. Requires more cautious positioning and engagement at range, with an emphasis on offense. Main battery AP shell damage: +7.5%. Maximum main battery shell dispersion: -10%. Ship consumable action time: -25%.	Petropavlovsk and PTRPVLSK only.
	Extended Main Battery Effective Range	2,500,000	Improves the ship's tactical role by increasing the efficiency of long-range engagements. Main battery firing range: +8%. Maximum main battery shell dispersion: -7%. Main battery traverse speed: -20%.	Moskva only.
	Torpedo Quick Reload System	2,500,000	Improves the ship's tactical role by increasing the efficiency of torpedo attacks. Makes careful positioning essential due to decreased attack angle adjustment at closer ranges. Torpedo tube reload time: -25%. Torpedo tube traverse speed: -70%. Risk of torpedo tubes becoming incapacitated: +50%.	Shimakaze and AL Shimakaze only.
	Main Gun Automatic Loader	2,500,000	Improves the ship's tactical role by increasing the efficiency of artillery. Makes careful positioning and maneuvering essential due to increased risk of detection. Main battery reload time: -18%. Ship's detectability range: +5%. Main battery traverse speed: -7%.	Grozovoi only.
	Improved Camouflage Patterns	2,500,000	Changes the ship's tactical role by enabling sudden, stealthy torpedo attacks. Significantly restricts artillery capabilities, requiring rapid repositioning and a focus on torpedo armament. Ship's detectability range: -20%. Main battery reload time: +60%.	Kleber and Kléber CLR only.
	Advanced Mechanical Maintenance	2,500,000	Expands the tactical role of a warship, allowing her to maintain survivability more effectively. Number of ship consumable charges: +1. HP restoration efficiency when using the Repair Party consumable: +25%. Maximum speed while the Engine Boost consumable is active: +8%.	Halland only.
	Modified External Hardpoints	2,500,000	Expands the ship's tactical role by increasing the efficiency of bombers. Bomber cruising speed: +5%. Squadron bomb damage: +10%.	Midway only.
	Fuel Injection System	2,500,000	Expands the ship's tactical role by allowing her to quickly attack enemy ships. Maximum squadron speed: +12.5%. Squadron engine boost duration: -30%..	Hakuryu only.
	Forced Takeoff and Landing Equipment	2,500,000	Expands the ship's tactical role by reducing the minimum effective engagement range. Ship's detectability range: -15% Rudder-shift time: -30%. Squadron engine boost duration: +20%. Time to reach full engine power when accelerating: −50%.	Audacious only.
	Aerodynamic Torpedo Fin Stabilizers	2,500,000	Enhances the ship's tactical role, increasing torpedo bomber efficiency. Torpedo damage: +10%. Torpedo Arming Distance: -10%. Torpedo bomber HP: +15%.	Manfred von Richthofen and only.
	Automated Gun and Fuel Systems	2,500,000	Alters the ship's tactical role, boosting maneuverability and enabling swift target switching. Maximum ship speed while the Engine Boost consumable is active: +12%. Main battery reload time: -6%. Main battery traverse speed: +100%. Main battery firing range: -8%..	Elbing only.
	Ship-to-Shore Radio	2,500,000	Improves the ship's tactical role by increasing the effeciency of Airstrike attacks. Number of Airstrike flights: +1. Airstrike range: +8%. HE bomb damage: +10%.	Gouden Leeuw only.
	Improved Rangefinders	2,500,000	Improves the ship's tactical role by increasing efficiency at all ranges. Requires cautious positioning to avoid the heightened dangers of prolonged or close-quarters engagements. Main battery reload time: -6%. Maximum main battery shell dispersion: -6%. Number of Smoke Generator consumable charges: -2.	Cristoforo Colombo only

Source

https://blog.worldofwarships.com/blog/closed-test-150-unique-upgrades-changes