Illinois

12.4

Battleship | U.S.A. | Tier IX

Tech Tree Position

Battle Levels

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IX

Special

Illinois — American special premium Tier IX battleship.

A reequipped Iowa-class battleship with more powerful AA guns and 203 mm main battery artillery housed in quadruple-gun turrets.

Illinois was first released for sale on 22 March 2023, and is available in the Research Bureau for 51,000.

Modules

	Rate of Fire (shots/min)	180° Turn Time (sec)	Maximum Dispersion (m)	Maximum HE Shell Damage (HP)	Chance of Fire on Target Caused by HE Shell (%)	Maximum AP Shell Damage (HP)		Research price (exp)	Purchase price ()
203 mm/55 RF Mk.16 in a turret	6.7	30	203	2,800	14	5,000		0	0

	Hit Points (HP)	Armor (mm)	Armor (mm)	Main Turrets (pcs.)	Secondary Gun Turrets (pcs.)	AA Mounts (pcs.)	Torpedo Tubes (pcs.)	Hangar Capacity (pcs.)		Research price (exp)	Purchase price ()
Illinois	68,100	16	439	3	10	24/16/10				0	0

	IDS_SHIP_PARAM_SUO_INCREASE_DIST (%)	Maximum Firing Range (km)		Research price (exp)	Purchase price ()
Mk9 mod. 1		0		0	0

	Maximum Speed (knot)		Research price (exp)	Purchase price ()
Propulsion: 212,000 hp	32.5		0	0

Compatible Upgrades

Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6

Player Opinion

Performance

Warning. The data presented in the AA Defense sidebar section may be incorrect.
For a graphic summary of ships Tiers VIII thru XI see LittleWhiteMouse's "Actual AA DPS".

Pros:

Cons:

Research

As a top-tier ship, Illinois has no module upgrades to research.

Optimal Configuration

Upgrades

The recommended upgrades are:

Slot 1:
Slot 2:
Slot 3:
Slot 4:
Slot 5:
Slot 6:

Commander Skills

Recommended Commander Skills
Cost (points)	Attack			Defense
1	Gun Feeder -40% time to switch shell type.	Demolition Expert +1% chance of main and secondary HE shells causing a fire +15% to the fragmentation damage area of HE ordnance when firing at submarines.	Consumables Specialist -10% cooldown time of: Main Battery Reload Booster , Torpedo Reload Booster , Spotting Aircraft , Catapult Fighter , & Defensive AA Fire .	Emergency Repair Specialist -3% cooldown time of Damage Control Party  and Repair Party .	Incoming Fire Alert Receive a warning about a salvo fired at your ship from more than 4.5 km.	Preventive Maintenance -30% chance of main armament, engines, steering becoming incapacitated.
2	Grease the Gears +20% main turret traverse speed.	Inertial Fuse for HE Shells +25% armor penetration of HE shells. Base fire chance reduced by half.	Brisk So long as the ship remains undetected: +10% ship speed.	Vigilance +25% detection range of enemy torpedoes +7% damage reduction of Torpedo Protection System. .	Priority Target The detection indicator will show the number of enemies targeting you with main battery.	AA & ASW Expert +10% damage from continuous AA and flak. +10% damage inflicted by depth charges..
3	Super-Heavy AP Shells +7.5% AP shell damage +25% fire and flood duration.	Long-Range Secondary Battery Shells +20% secondary battery firing range.	Adrenaline Rush -0.2% reload time of all armaments per 1% HP lost +0.2% AA continuous damage per 1% HP lost.	Basics of Survivability -15% repair, fire, and flooding duration.	Improved Repair Party Readiness –0.8% reload time of Repair Party each time your ship receives potential damage equal to 100% of the ship's base HP..	Focus Fire Marksman In the priority AA sector: +25% continuous damage. +1 flak burst per salvo. –10% reload time of Airstrike armament.
4	Furious For each active fire on board: –5% main battery reload time +5% to the dispersion of shells fired by enemies.	Manual Secondary Battery Aiming −10% secondary battery reload time. −10% secondary battery dispersion. When firing at a manually selected target: dispersion gradually improves from -25% to -50%.	Close Quarters Combat -10% reload time of main battery if an enemy ship is spotted within secondary range.	Emergency Repair Expert Damage Control Party  and Repair Party : +1 charge (each). +10% action time .	Concealment Expert -10% detectability range of the ship.	Fire Prevention Expert -10% risk of fire. Three fires maximum.
Key: ★★★ - Extremely Useful ★★ - Frequently Useful ★ - Occasionally Useful No stars - Not Useful

Consumables

Illinois equips the following consumables:

Slot 1: Damage Control Party 
Slot 2: Repair Party  – 4 charges

Camouflage

As a premium ship, Illinois comes with Default permanent camouflage and a set of permanent combat bonuses.

Signals

Recommended Signal Flags
Combat
Juliet Charlie -100% to the risk of magazine detonation.	Juliet Yankee Bissotwo -20% to flooding duration.	India Yankee -20% to fire duration.	Hotel Yankee -20% to damage received when ramming the enemy. +50% to damage dealt when ramming the enemy.	Victor Lima +1% chance for HE bombs and shells with a caliber above 160mm causing a fire. +0.5% chance for bombs and smaller shells causing a fire. +4% chance of torpedoes causing flooding.	India X-Ray +1% chance for HE bombs and shells with a caliber above 160mm causing a fire. +0.5% chance for bombs and smaller shells causing a fire. +5% to the risk of your ship's magazine detonating.
Juliet Whiskey Unaone +15% chance of causing flooding. +5% to the risk of your ship's magazine detonating.	Mike Yankee Soxisix +5% to secondary battery maximum firing range. -5% to maximum dispersion of secondary battery shells. -5% to secondary battery loading time.	November Echo Setteseven +5% continuous AA damage at all ranges. +5% damage from flak bursts.	Sierra Mike +5% to the ship's maximum speed.	November Foxtrot -5% reload time on all consumables.	India Delta +20% to the amount of HP recovered when Repair Party  is used.
X-Ray Papa Unaone +15% action time of a Smoke Generator .	Sierra Bravo +10% action time of Hydroacoustic Search  -10% reload time of Defensive AA Fire .

Note: Use of the Juliet Charlie signal makes detonation impossible.

Gallery

References

Ships of U.S.A.

Destroyers	II Sampson • II Smith • III Wickes • IV Clemson • V Nicholas • V Hill • VI Farragut • VI Monaghan • VII Mahan • VII Sims • VII Sims B • VIII Benson • VIII Kidd • IX Fletcher • IX Benham • IX Halford • IX Black • X Gearing • X Somers • X Forrest Sherman • ★ Joshua Humphreys
Cruisers	I Erie • II Chester • II Albany • III St. Louis • III Charleston • IV Phoenix • V Omaha • V Marblehead • V Marblehead Lima • VI Pensacola • VI Dallas • VII Atlanta • VII New Orleans • VII Helena • VII Indianapolis • VII Atlanta B • VII Boise • VII Flint • VIII Baltimore • VIII Cleveland • VIII Wichita • VIII Anchorage • VIII Congress • VIII Rochester • VIII San Diego • VIII AL Montpelier • IX Buffalo • IX Seattle • IX Vallejo • IX Alaska • IX Tulsa • IX Alaska B • X Des Moines • X Worcester • X Puerto Rico • X Salem • X Austin • ★ Annapolis
Battleships	III South Carolina • IV Wyoming • IV Arkansas Beta • V New York • V Oklahoma • V Texas • VI New Mexico • VI Arizona • VI W. Virginia '41 • VII Colorado • VII Florida • VII West Virginia '44 • VII California • VIII North Carolina • VIII Kansas • VIII Nebraska • VIII Alabama • VIII Massachusetts • VIII Alabama VL • VIII Constellation • VIII Massachusetts B • VIII Alabama ST • IX Iowa • IX Minnesota • IX Delaware • IX Missouri • IX Kearsarge • IX Illinois • IX Kearsarge B • IX Georgia • X Montana • X Vermont • X Louisiana • X Ohio
Aircraft Carriers	IV Langley • VI Ranger • VIII Lexington • VIII Enterprise • VIII Saipan • VIII Hornet • VIII Saipan B • X Midway • X Franklin D. Roosevelt • ★ United States

Battleships

Japan	II Mikasa • III Kawachi • IV Myōgi • IV Ishizuchi • V Kongō • V ARP Kongō • V ARP Kirishima • V ARP Haruna • V ARP Hiei • V HSF Hiei • VI Fusō • VI Mutsu • VI Ise • VII Nagato • VII Ashitaka • VII Hyūga • VIII Amagi • VIII Kii • VIII Ignis Purgatio • VIII Ragnarok • IX Izumo • IX Musashi • IX Hizen • IX Iwami • IX Daisen • X Yamato • X Shikishima • X ARP Yamato • ★ Satsuma
U.K.	III Bellerophon • III Indefatigable • III Dreadnought • IV Orion • IV Queen Mary • V Iron Duke • V Tiger • V Agincourt • VI Warspite • VI Queen Elizabeth • VI Renown • VI Repulse • VII King George V • VII Rooke • VII Hood • VII Nelson • VII Duke of York • VII Collingwood • VII Renown '44 • VIII Monarch • VIII Hawke • VIII Vanguard • IX Lion • IX Duncan • IX Marlborough • X Conqueror • X St. Vincent • X Thunderer • X Incomparable • ★ Devastation
U.S.A.	III South Carolina • IV Wyoming • IV Arkansas Beta • V New York • V Oklahoma • V Texas • VI New Mexico • VI Arizona • VI W. Virginia '41 • VII Colorado • VII Florida • VII West Virginia '44 • VII California • VIII North Carolina • VIII Kansas • VIII Nebraska • VIII Alabama • VIII Massachusetts • VIII Alabama VL • VIII Constellation • VIII Massachusetts B • VIII Alabama ST • IX Iowa • IX Minnesota • IX Delaware • IX Missouri • IX Kearsarge • IX Illinois • IX Kearsarge B • IX Georgia • X Montana • X Vermont • X Louisiana • X Ohio
Pan-Asia	IX Bajie • IX Wujing • IX Sun Yat-Sen
Germany	III Nassau • III Von der Tann • III König Albert • IV Kaiser • IV Moltke • V König • V Derfflinger • VI Bayern • VI Mackensen • VI Prinz Eitel Friedrich • VII Gneisenau • VII Prinz Heinrich • VII Scharnhorst • VII Scharnhorst B • VIII Tirpitz • VIII Bismarck • VIII Zieten • VIII Odin • VIII Brandenburg • VIII Anhalt • VIII Tirpitz B • IX Friedrich der Grosse • IX Prinz Rupprecht • IX Pommern • IX Pommern B • X Grosser Kurfürst • X Schlieffen • X Preussen • X Mecklenburg • ★ Hannover
Europe	V Viribus Unitis
U.S.S.R.	III Knyaz Suvorov • IV Imperator Nikolai I • IV Gangut • V Pyotr Velikiy • V Oktyabrskaya Revolutsiya • VI Izmail • VI Novorossiysk • VII Sinop • VII Poltava • VIII Vladivostok • VIII Lenin • VIII Borodino • VIII V. I. Lenin • IX Sovetsky Soyuz • IX AL Sov. Rossiya • X Kremlin • X Slava • ★ Admiral Ushakov
Italy	IV Dante Alighieri • V Conte di Cavour • V Giulio Cesare • VI Andrea Doria • VII Francesco Caracciolo • VIII Vittorio Veneto • VIII Roma • VIII AL Littorio • IX Lepanto • IX Marco Polo • IX Giuseppe Verdi • X Cristoforo Colombo
Netherlands
France	III Turenne • IV Courbet • V Bretagne • VI Normandie • VI Dunkerque • VI Dunkerque B • VII Lyon • VII Strasbourg • VIII Richelieu • VIII Gascogne • VIII Champagne • VIII Flandre • IX Alsace • IX Jean Bart • IX Jean Bart B • X République • X Bourgogne • ★ Patrie
Commonwealth	VII Yukon
Spain
Pan-America	V Rio de Janeiro • VIII Atlântico

Games

Navigation

Tools

Illinois

Modules

Compatible Upgrades