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Line 45: − + + + − {{Rations}} {{EquipmentLink|Combat Ration|Combat Ration (Special Onigiri)|Canned Saury|text=Rations|link_category=Ration}} are the only equipment that do not gain any stats from improvement.+ − *Improving them only serves to upgrade them into their improved versions. − *Since improving a {{EquipmentLink|Combat Ration}} up to +6★ cost '''0''' screw, it is possible to farm some screw by upgrading a ration once a day while doing quest [[Quests#F18|F18]]. − ===Square Rooted Bonus===+ − Bonuses to attack power (day shelling, night shelling, torpedo, ASW), anti-air, LoS, accuracy, and evasion are all a function of the square root of the improvement level. The bonus can be calculated by:+ − + − + + + − + + − + − !colspan=2|CI rates − + − + − + − + − + − + − + − + − !Fleet+ − !Enemy+ + + + + + + + + + + + + + + + + + + + + − | rowspan=4|[[:Category:Main Gun|Main Guns]]+ − + − − + − + − + − + − + − + − + − | colspan=2|Surface (Yellow)<br>{{YellowGun}}+ − − + − + + − | colspan=2|[[:Category:Secondary High-Angle Gun|High-Angle]] (Green)<br>{{GreenGunDP}}+ − + − + − + − + − + + − + − + − + − + − + − + − + − + − + − + − + − + − − + − + − + − + + + + + + + + + + + + + + + + + + + + + + − | rowspan=3|[[:Category:Land Based Bombers|Land Based Bombers]]+ − + − | -|| 0.7|| -|| -|| 0.5|| -|| -|| -|| -|| -|| -|| -|| - − + − + − + − | -|| -|| -|| -|| 0.5|| -|| -|| -|| -|| -|| -|| -|| -+ − + − | rowspan=2|[[:Category:Surface Radar|Surface]]+ − | [[:Category:Large Radar|Large]] − | -|| -|| -|| -|| -|| -|| 1.4||rowspan=3| 1.7|| -|| -|| -|| -|| - − + − + − + − | [[:Category:Large Radar|Large]] & [[:Category:Very Large Radar|Very Large]] + − | -|| -|| -|| -|| -||rowspan=4| 1.5|| 1.4|| -|| -|| -|| -|| - − + − + − + − | [[:Category:Large Radar|Large]]+ − − + − + − + − + − + − | 1|| -|| 1|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -?%+ − + − + + − | colspan=3|[[:Category:Sonar|Sonars]]<br>{{Sonar}}+ − + + + + + + + + + + + + + + + + − | colspan=3|[[:Category:Engines|Engines]]<br>{{Turbine}}+ − + − + − + + + + + + − + − + + + − + − + + − + − + + − + − Bonuses to fighter power, dive bomb, plane torpedo, plane ASW, armor, anti-installation bonus, and expedition bonus just have a linear growth. The bonus per improvement level is given by the table below.+ + − + − + − + − + − + − !Armor+ − !Anti-Installation Bonus<ref>See [[Anti-Installation#Damage_Bonuses|Anti-Installation]] for more details.</ref>+ − !Expedition Bonus<ref>See [[Expeditions#Expedition_Rewards|Expedition]] for more details</ref>+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + − + − + − + − | [[:Category:Fighters|Fighters]]/[[SPF]]<br>{{GreenPlane}}{{SeaplaneFighter}}+ − − + − + − + − + − | [[:Category:Torpedo Bombers|Torpedo Bombers]]<br>{{BluePlane}}+ − + + − | colspan=2|[[:Category:Interceptors|Interceptors]]<br>{{Interceptor Fighter}}{{Interceptor Fighter2}}+ − + + − + − + − | -|| -|| -|| -|| 0.2|| -|| - − | Large+ − + + − | colspan=2|[[:Category:Seaplane Bombers|Seaplane Bombers]]<br>{{Seaplane}}+ − + + − | rowspan=2|[[:Category:Rotorcraft|Rotorcrafts]]<br>{{Autogyro}}+ − + − + − + − + − | colspan=2|[[:Category:Liaison Aircrafts|Liaison Aircraft]]<br>{{ASWPlane}}+ − + + − | colspan=2|[[:Category:Landing Craft|Landing Crafts]]<br>{{LandingCraft}}+ − + − <br>0.02%<ref>For [[Daihatsu-class Landing Craft (Type 89 Medium Tanks & Marines)]].</ref>+ − + − + − <references/>+ − + + + + + + + + + + + + + + − + − + − + + + +
→Visible Fit Bonuses
{{PortMechanicsPortal}}
Improvements are upgrades to equipment that increase their performance or upgrade them to better versions. Improvements are done in [[Akashi's Improvement Arsenal]], requiring [[Akashi]]. Improvement Materials {{IM}} are notably used for improvements.
Improvements are upgrades to equipment that increase their performance or upgrade them to better versions. Improvements are done in [[Akashi's Improvement Arsenal]], requiring [[Akashi]]. Improvement Materials {{IM}} are notably used for improvements.
*''See the full list of improvable equipment [[:Category:Improvable Equipment|here]] (this omit the equipment not improvable but obtainable already improved) .
*''See the full list of ship Helpers [[Improvement/Helper|here]].
*''For a comprehensive list of improvements, please refer to [https://akashi-list.me/ Akashi-List] or the List of Improvements.''
*''For a comprehensive list of improvements, please refer to [https://akashi-list.me/ Akashi-List] or the List of Improvements.''
=Overview=
=Overview=
# Improvement levels are displayed beside equipment names.
# Improvement levels are displayed beside equipment names.
#* They run from [[File:Icon Star.png]]'''+1''' to [[File:Icon Imp.png]] (+10).
#* They run from {{Star}}'''+1''' to {{MaxStar}} (+10).
# Improvement bonuses are '''hidden'''. The increase in stats is not reflected on ship girls' stat cards.
# Improvement bonuses are '''hidden'''. The increase in stats is not reflected on ship girls' stat cards.
#* This means they do not count for [[Support Expedition]]s or for reaching certain thresholds like for [[OASW]].
#* This means they do not count for [[Support Expedition]]s or for reaching certain thresholds like for [[OASW]].
#* Those bonuses work to some extent to reach regular [[Expeditions]] thresholds.
#* Those bonuses work to some extent to reach regular [[Expeditions]] thresholds.
#* Some improvements on equipment can add some additional visible [[Equipment Bonuses|Fit Bonuses]].
#* Some improvements on equipment can add some additional [[#Visible Fit Bonuses|Visible Fit Bonuses]].
#** This works on an equipment-to-equipment and ship-to-ship basis with no general rule.
# Equipped equipment cannot be improved.
# Equipped equipment cannot be improved.
#* There is an option to unequip the equipment from the improvement list.
#* There is an option to unequip the equipment from the improvement list.
# Equipment must be unlocked in order to be upgraded to a better version.
# Equipment must be unlocked in order to be upgraded to a better version.
# Improvements have a chance to fail. Please see [[#Improvement Success Rates|below]].
# Improvements have a chance to fail. Please see [[#Improvement Success Rates|below]].
#* '''Materials and any fodder equipment are still lost on failure.'''
#* '''Materials ({{DM}}{{IM}}) and any fodder equipment are still lost on failure.'''
#** [[Item]]s are not lost.
#** [[Item]]s are not lost.
#* The equipment being improved is never lost.
#* The equipment being improved is never lost.
#* It is '''recommended''' to use the guaranteed improvement toggle when dealing with expensive improvements and/or rare fodder at [[File:Icon Star.png]]'''+6''' and beyond.
#* It is '''recommended''' to use the guaranteed improvement toggle when dealing with expensive improvements and/or rare fodder at {{Star}}'''+6''' and beyond.
#* [[Akashi Kai]] has a higher success rate than her base version.
#* [[Akashi Kai]] has a higher success rate than her base version.
# Improved equipment cannot be used as fodder.
# Improved equipment cannot be used as fodder.
# Certain conversion quests like '''[[Quests#F13|F13]]''', '''[[Quests#F14|F14]]''', '''[[Quests#F15|F15]]''', '''[[Quests#F19|F19]]''', [[Quests#F22|F22]], and [[Quests#F24|F24]] to [[Quests#F30|F30]], that do not require improved equipment, will carry over any [[File:Icon Star.png]] to the upgraded equipment.
# Certain conversion quests like '''{{Q|F13}}''', '''{{Q|F14}}''', '''{{Q|F15}}''', '''{{Q|F19}}''', {{Q|Fm1}}, and {{Q|F24}} to {{Q|F30}}, that do not require improved equipment, will carry over any {{Star}} to the upgraded equipment.
#* This is currently the '''only''' way to obtain improved versions of the {{Equipment/Link|Tenzan Model 12 (Tomonaga Squadron)}}, {{Equipment/Link|Suisei (Egusa Squadron)}} & {{Equipment/Link|Reppuu (601 Air Group)}} (unimprovable otherwise).
#* This is currently the '''only''' way to obtain improved versions of the {{Equipment/Link|Tenzan Model 12 (Tomonaga Squadron)}}, {{Equipment/Link|Suisei (Egusa Squadron)}} & {{Equipment/Link|Reppuu (601 Air Group)}} (unimprovable otherwise).
# Certain conversion quests like [[Quests#F62|F62]], [[Quests#F89|F89]], [[Quests#F70|F70]], and [[Quests#F107|F107]], allow to use Improved equipment, but any [[File:Icon Star.png]] are lost during conversion.
# Certain conversion quests like {{Q|F62}}, {{Q|F89}}, {{Q|F70}}, and {{Q|F107}}, allow to use improved equipment, but any {{Star}} are lost during conversion.
=Improvement Success Rates=
=Improvement Success Rates=
=Improvement Bonuses=
=Improvement Bonuses=
The bonus stats gained from improvement will vary depending on the type of equipment as well as the stat itself.
The bonus stats gained from improvement will vary depending on the type of equipment as well as the stat itself.
*''For calculated improvment bonuses, please refer to the [[Improvement/Reference_Charts|Reference Charts]].''
*Most improved stats will come as decimal numbers due to the use as base decimals and how [[wikipedia:Square root|square roots]] work.
*It is important to note that '''decimals must not be discarded in favor of whole numbers''', as stats will be multiplied by various formulas anyway, to finally be rounded down/up.
*''For calculated improvment bonuses, please refer to the [[Improvement/Categories|Categories Charts]] or [[Improvement/Reference_Charts|Reference Charts]].''
The improvement effects are unknown for some equipment types/cases.
==Square Rooted Bonus==
Most bonuses are all a function of the square root of the improvement level. The bonus can be calculated by:
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
<math>\text{Bonus}_\text{stat} = \sum_{\text{All equips}} \text{Mod}_\text{equip} \sqrt{\bigstar}</math>
|valign="center"| <math>\text{Bonus}_\text{stat} = \sum_{\text{All equips}} \text{Mod}_\text{equip} \sqrt{\bigstar}</math>
|}
;With
* <math>\bigstar</math> is the improvement level of the equipment.
* <math>\bigstar</math> is the improvement level of the equipment.
* <math>\text{Mod}_\text{equip}</math> is the equipment modifier for that stat. Please refer to the table below for details.
* <math>\text{Mod}_\text{equip}</math> is the equipment modifier for that stat. Please refer to the table below for details.
{|class="wikitable" style="text-align:center"
{|class="wikitable" style="text-align:center"
!colspan=3 rowspan=2|Equipment Type
!colspan=2 rowspan=2|Equipment Type
!colspan=2|Day Battle
!colspan=2|Day Battle
!rowspan=2|Night Battle
!rowspan=2|Night Battle
!rowspan=2|ASW
!rowspan=2|ASW
!colspan=2|AA
!colspan=2|AA
!rowspan=2|Fighter Power
!rowspan=2|LoS
!rowspan=2|LoS
!colspan=2|Accuracy
!colspan=4|Accuracy<ref>[https://docs.google.com/spreadsheets/d/183MFdMfBS7Oc3doCZYyI-R1jxDaCZ-Y9wMt_HW8PFEg/edit#gid=0]</ref>
!colspan=2|Evasion
!colspan=2|Evasion
|-
|-
!Firepower
!Firepower!!Torpedo
!Torpedo
!Ship!!Fleet
!Equipment AA
!Day!!Night!!Torpedo!!ASW
!Fleet AA
!Shelling!!Torpedo
!Shelling
|-
!Torpedo
| rowspan=3|[[Main Gun]]s
!Shelling
|([[Very Large Caliber Main Gun|Very]]) [[Large Caliber Main Gun|Large]]<br>{{Large Gun}}{{Very Large Gun}}
!Torpedo
| 1.5|| -|| 1|| -|| -|| -|| -|| -|| 1|| 1.3|| -|| -|| -|| -
|-
|[[Medium Caliber Main Gun|Medium]]/[[Small Caliber Main Gun|Small]] (Red)<br>{{Med Gun}}{{Light Gun}}
| 1|| -|| 1|| -|| -|| -|| -|| -|| 1|| 1.3|| -|| -|| -|| -
|-
|[[:Category:Main High-Angle Guns|HA]] (Green)<br>{{Main Green}}
| 1|| -|| 1|| -||rowspan=3| 2<ref name="aa1">For base {{AA}} AA ≤ 7</ref><br>3<ref name="aa2">For base {{AA}} AA ≥ 8</ref>||rowspan=3| 2<ref name="aa1"/><br>3<ref name="aa2"/>|| -|| -|| 1|| 1.3|| -|| -|| -|| -
|-
| rowspan=4|[[Secondary Gun]]s
|{{EquipmentLink|90mm Single High-angle Gun Mount|text=90 mm Single HA}}<br>{{Sec Green}}
| 1|| -|| 1|| -|| -|| -|| 1|| 1.3|| -|| -|| -|| -
|-
|(Large) [[:Category:Secondary High-Angle Guns|HA]] (Green)<br>{{Sec Green}} {{Large Sec Green}}
|rowspan=2| [[#Linear Bonus|Linear]] 0.2<ref name="fp1">For base {{Firepower}} FP ≤ 3</ref><br>[[#Linear Bonus|Linear]] 0.3<ref name="fp2">For base {{Firepower}} FP ≥ 5</ref>|| -||rowspan=2| [[#Linear Bonus|Linear]] 0.2<ref name="fp1"/><br>[[#Linear Bonus|Linear]] 0.3<ref name="fp2"/>|| -|| -|| -|| 1|| 1.3|| -|| -|| -|| -
|-
|Surface (Yellow)<br>{{Sec Gun}}
| -|| -|| -|| -|| -|| -|| 1|| 1.3|| -|| -|| -|| -
|-
|{{EquipmentLink|15.2cm Single Gun Mount|text=15.2 cm Single}} & {{EquipmentLink|OTO 152mm Triple Rapid Fire Gun Mount|text=OTO}}<br>{{Sec Gun}}
| 1|| -|| 1|| -|| -|| -|| -|| -|| 1|| 1.3|| -|| -|| -|| -
|-
| colspan=2|[[Anti-Aircraft Fire Director]]s<br>{{AAFD}}
| 1|| -|| 1|| -|| 2<ref name="aa1"/><br>3<ref name="aa2"/>|| 2<ref name="aa1"/><br>3<ref name="aa2"/>|| -|| -|| 1|| 1.3|| -|| -|| -|| -
|-
|-
| colspan=2|[[AA Gun|Anti-Air Guns]]<br>{{AA Gun}}
| colspan=2|[[:Category:Small Gun|Small Guns]] (Red)<br>{{RedGunLight}}
| 1|| 1.2|| -|| -|| 4<ref name="aa1"/><br>6<ref name="aa2"/>|| -|| -|| -|| -|| -|| 2|| -|| -|| -
| 1|| -|| 1|| -|| -|| -|| -|| 1|| -|| -|| -|| -|| -
|-
|-
| colspan=2|[[:Category:Main High-Angle Gun|Main High-Angle Guns]] (Green)<br>{{GreenGunDP}}
| colspan=2|[[Torpedo]]es<br>{{TorpedoWeapon}}
| 1|| -|| 1|| -|| 0.7|| 2<ref>For guns with AA ≤ 6 </ref><br>3<ref>For guns with AA ≥ 7 </ref>|| -|| 1|| -|| -|| -|| -|| -
| -|| 1.2|| 1|| -|| -|| -|| -|| -|| -|| 1.3|| 2|| -|| -|| -
|-
|-
| colspan=2|[[:Category:Medium Gun|Medium Guns]] (Red)<br>{{RedGunMedium}}
| colspan=2|[[Midget Submarine]]s<br>{{Minisub}}
| 1|| -|| 1|| -|| -|| -|| -|| 1|| -|| -|| -|| -|| -
| -|| -|| 1|| -|| -|| -|| -|| -|| -|| 1.3|| -|| -|| -|| -
|-
|-
| colspan=2|[[:Category:Large Gun|Large Guns]]<br>{{RedGunHeavy}}
| colspan=2|(Large) [[Carrier Recon]]s/[[Large Flying Boat]]s<br>{{Carrier Recon}}{{Large Recon}}{{LFB}}
| 1.5|| -|| 1|| -|| -|| -|| -|| 1|| -|| -|| -|| -|| -
| -|| -|| -|| -|| -|| -|| -|| 1.2|| -|| -|| -|| -|| -|| -
|-
|-
| rowspan=5|[[:Category:Secondary Gun|Secondary Guns]]
| colspan=2|[[LB Recon]]s<br>{{Land-Based Recon}}
| -|| -|| -|| -|| -|| -|| -|| 1.2?<ref>LoS might be affected like other recons, but it is not measurable, due to how LBAS work.</ref>|| -|| -|| -|| -|| -|| -
| [[#Linear Bonus|Linear]] 0.3|| -|| [[#Linear Bonus|Linear]] 0.3|| -|| -|| -|| -|| 1|| -|| -|| -|| -|| -
|-
|-
| colspan=2|{{EquipmentLink|15.2cm Single Gun Mount|text=15.2 cm Single}} & {{EquipmentLink|OTO 152mm Triple Rapid Fire Gun Mount|text=OTO}}<br>{{YellowGun}}
| rowspan=2|[[Seaplane]]s<br>{{Seaplane}}{{Night Recon}}
| 1|| -|| 1|| -|| -|| -|| -|| 1|| -|| -|| -|| -|| -
|[[SPR|Recons]]
| -|| -|| -|| -|| -|| -|| -|| 1.2|| -|| -|| -|| -|| -|| -
|-
|-
|[[SPB|Bombers]]
| [[#Linear Bonus|Linear]] 0.2|| -|| [[#Linear Bonus|Linear]] 0.2|| -|| 0.7|| 3|| -|| 1|| -|| -|| -|| -|| -
| -|| -|| -|| -|| -|| -|| -|| 1.1|| -|| -|| -|| -|| -|| -
|-
|-
| colspan=2|{{EquipmentLink|90mm Single High-angle Gun Mount|text=90 mm Single HA}}<br>{{GreenGunDP}}
| colspan=2|[[Rotorcraft]]/[[Liaison Aircraft]]<br>{{Autogyro}}{{ASWPlane}}
| 1|| -|| 1|| -|| 0.7|| 3|| -|| 1|| -|| -|| -|| -|| -
| -|| -|| -|| [[#Linear Bonus|Linear]]|| -|| -|| -|| -|| 1?<ref name="?">Unconfirmed yet</ref>|| 1.3?<ref name="?"/>|| -|| -|| -|| -
|-
|-
| colspan=2|{{EquipmentLink|5inch Twin Gun Mount (Secondary Armament) Concentrated Deployment|text=5" Twin Secondary CD}}<ref>https://twitter.com/hedgehog_hasira/status/1548329561636495373</ref><br>{{GreenGunDP}}
| rowspan=2|[[Land Based Bomber]]s
| [[#Linear Bonus|Linear]] 0.3|| -|| [[#Linear Bonus|Linear]] 0.3|| -|| 0.7|| 3|| -|| 1|| -|| -|| -|| -|| -
|[[LB Attacker|Attackers]]/[[LB Assault|Assault]]/[[LB Patrol|ASW]]/[[LB Heavy|Heavy Bombers]]<br>{{LB Attacker}}{{LB Assault}}{{LB ASW}}{{LB Heavy}}
| -||{{ToolTip|0.7*|both {{Torpedo}} and {{Dive}}[https://twitter.com/Divinity_123/status/1659942246353891329]}}|| -|| -|| -|| -||rowspan=2| 0.5|| -|| -|| -|| -|| -|| -|| -
|-
|-
| colspan=3|[[:Category:Anti-Air Gun|Anti-Air Guns]]<br>{{GreenGunMG}}
|{{EquipmentLink|Bomb-carrying Type 1 Fighter Hayabusa Model III Kai (65th Squadron)|text=Hayabusa bomber}}<br>{{IconText|{{LB Fighter 2}}|bomber}}
| 1|| 1.2|| -|| -|| 0.7|| -|| -|| -|| 2|| -|| -|| -|| -
| -|| {{ToolTip|0.7*|only against DD and Installation [https://twitter.com/Divinity_123/status/1659942251257004035] }}|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -
|-
|-
| colspan=3|[[:Category:Anti-Aircraft Fire Director|Anti-Aircraft Fire Directors]]<br>{{AntiAircraftFireDirector}}
| colspan=2|[[Radar]]s<br>{{Radar}}
| 1|| -|| 1|| -|| 0.7|| 2|| -|| 1|| -|| -|| -|| -|| -
| -|| -|| -|| -|| -|| 0<ref>For [[Surface Radar]]s</ref><br>1.5<ref>For [[Air Radar]]s</ref>|| -|| 1.25<ref>For [[Small Radar]]s</ref><br>1.4<ref>For ([[Very Large Radar|Very]]) [[Large Radar]]s</ref>|| 1<ref>For pure [[Surface Radar]]s & Large Dual Purpose Radars</ref><br>1.7<ref>For pure [[Air Radar]]s & Small Dual Purpose Radars</ref>|| 1.3<ref>For base {{Hit}} Acc ≤ 2</ref><br>1.6<ref>For base {{Hit}} Acc ≥ 3</ref>|| -|| -|| -|| -
|-
|-
| colspan=3|[[:Category:Torpedoes|Torpedoess]]<br>{{TorpedoWeapon}}
| colspan=2|[[Depth Charge]]s<br>{{DepthCharge}}
| -|| 1.2|| 1|| -|| -|| -|| -|| -|| 2|| -|| -|| -|| -
| 0.75|| -|| -||rowspan=2| 0.67|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -
|-
|-
| colspan=3|[[:Category:Midget Submarine|Midget Submarines]]<br>{{TorpedoWeapon}}
| colspan=2|{{EquipmentLink|Type 95 Depth Charge|text=T95 DC}} & {{EquipmentLink|Type 2 Depth Charge|Type 2 Depth Charge Kai 2|text=T2/K2 DC}}<br>{{DepthCharge}}
| -|| -|| 1|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -
| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -
|-
|-
| colspan=3|[[:Category:Recon Aircraft|Carrier Recons]]<br>{{YellowPlane}}
| colspan=2|[[Sonar]]s<br>{{Sonar}}
| -|| -|| -|| -|| -|| -|| 1.2|| -|| -|| -|| -|| -|| -
| 0.75|| -|| -|| 0.67|| -|| -|| -|| -|| -|| -|| -|| 1.3|| -|| 1.5
|-
|-
| rowspan=2|[[Seaplane]]s<br>{{Seaplane}}
| colspan=2|[[Engine Improvement]]s<br>{{Turbine}}
| colspan=2|[[SPR|Reconnaissance]]
| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -||colspan=2| 1.5
| -|| -|| -|| -|| -|| -|| 1.2|| -|| -|| -|| -|| -|| -
|-
|-
| colspan=2|[[SPB|Bomber]]
| colspan=2|[[Shell]]s/[[Searchlights]]/[[Lookout]]s<br>[[Landing Equipment]]/[[Command Facilities]]<br>{{AA Shell}}{{AP Shell}}{{Searchlight}}{{SurfaceShipPersonnel}}{{LandingCraft}}{{Amphibious Tank}}{{Army Units}}{{FCF}}
| -|| -|| -|| -|| -|| -|| 1.1|| -|| -|| -|| -|| -|| -
| 1|| -|| 1|| -|| -|| -|| -|| -|| 1|| 1.3|| -|| -|| -|| -
|-
|-
| colspan=3|[[:Category:Liaison Aircrafts|Liaison Aircraft]]<br>{{ASWPlane}}
| colspan=2|[[Aviation Personnel]]s/[[Anti-Ground Rocket]]s<br>[[Smoke Generator]]s<br>{{Aviation Personnel}}{{AntiGroundArtillery}}{{Smoke}}
| -|| -|| -|| -|| -|| -|| -|| 1|| -|| -|| -|| -|| -
| 1|| -|| 1|| -|| -|| -|| -|| -|| 1?<ref name="?"/>|| 1.3?<ref name="?"/>|| -|| -|| -|| -
|}
<references/>
{{Clear}}
==Linear Bonus==
Some bonuses have a linear growth. The bonus can be calculated by:
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
|valign="center"| <math>\text{Bonus}_\text{stat} = \sum_{\text{All equips}} \text{Mod}_\text{equip} \times \bigstar</math>
|}
;With
* <math>\bigstar</math> is the improvement level of the equipment.
* <math>\text{Mod}_\text{equip}</math> is the equipment modifier for that stat. Please refer to the table below for details.
{|class="wikitable" style="text-align:center"
!colspan=2|Equipment Type
!Fighter Power
!Dive Bomb
!Torpedo
!ASW
!Armor
|-
|-
| colspan=2|[[Submarine Torpedo]]es<br>{{Sub Torpedo}}
| colspan=2|[[:Category:Land-Based Attackers|Attackers]]/{{Equipment/Link|Ki-102 B|Ki-102 B Kai + No.1 Model 1B Guided Missile|text=Assault|link_category=Land-Based Assault Aircraft}}/{{Equipment/Link|Shinzan|Shinzan Kai|text=Heavy Bombers|link_category=Land-Based Heavy Bombers}}<br>{{Land-based Attack Aircraft}}{{Land-based Assault Aircraft}}{{Large Land-based Aircraft}}
| -|| -|| 0.2|| -|| -
|-
|-
| colspan=2|{{EquipmentLink|Ginga}} & {{EquipmentLink|Type 1 Land-based Attack Aircraft (Nonaka Squadron)|text=Type 1 Nonaka}}<br>{{Land-based Attack Aircraft}}
| colspan=2|[[Fighter]]s<br>{{GreenPlane}}
| -|| 0.7|| -|| -|| [[#Linear Bonus|Linear]] 0.25|| -|| -|| -|| -|| -|| -|| -|| -
|rowspan=3| 0.2|| -|| -|| -|| -
|-
|-
| colspan=2|{{EquipmentLink|Bomb-carrying Type 1 Fighter Hayabusa Model III Kai (65th Squadron)|text=Hayabusa bomber}}<br>{{Interceptor Fighter2}}
| colspan=2|[[Seaplane Fighter]]s<br>{{SeaplaneFighter}}
| -|| -|| -|| -
|-
|-
| rowspan=6|[[:Category:Radar|Radars]]<br>{{Radar}}
| colspan=2|[[Interceptor|LB Fighters]]<br>{{Interceptor Fighter}}{{Interceptor Fighter2}}
| -|| -|| -|| -
|-
|-
| [[:Category:Small Radar|Small]]
| colspan=2|[[Fighter-Bomber]]s<br>{{RedPlane}}
| -|| -|| -|| -|| -|| -|| 1.25|| -|| -|| -|| -|| -
|rowspan=2| 0.25|| -|| -|| -|| -
|-
|-
| rowspan=2|Dual Purpose
| colspan=2|{{EquipmentLink|Type 0 Fighter Model 64 (Two-seat w/ KMX)|Type 0 Fighter Model 64 (Skilled Fighter-bomber)|text=Mod 64 Zero FB}}<br>{{RedPlane}}
| -|| -||rowspan=3| 0.2||| -
|-
|-
| [[:Category:Small Radar|Small]]
| colspan=2|[[Dive Bomber]]s (ex. FB)<br>{{RedPlane}}
| -|| -|| -|| -|| -|| 1.25||rowspan=3| 1|| -|| -|| -|| -|| -
| -|| 0.2|| -|| -
|-
|-
| rowspan=2|[[:Category:Air Radar|Air Radar]]
| colspan=2|[[Torpedo Bomber]]s<br>{{BluePlane}}
| -|| -|| 0.2|| -
| -|| -|| -|| -|| -|| 1.4|| -|| -|| -|| -|| -
|-
|-
| [[:Category:Small Radar|Small]]
| colspan=2|[[Seaplane Bomber]]s<br>{{Seaplane}}
| -|| -|| -|| -|| -|| 1.25|| -|| -|| -|| -|| -
| -|| 0.2|| -|| -|| -
|-
|-
| colspan=3|[[:Category:Submarine Radar|Submarine Radar]]<br>{{SubmarineRadar}}
| colspan=2|[[Rotorcraft]]<br>{{Autogyro}}
| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| +?%|| -
| -|| -|| -||0.2<ref>For base {{ASW}} ASW ≤ 10</ref><br>0.3<ref>For base {{ASW}} ASW ≥ 11</ref>|| -
|-
|-
| colspan=3|[[:Category:Searchlight|Searchlights]]<br>{{Searchlight}}
| colspan=2|[[Liaison Aircraft]]<br>{{ASWPlane}}<ref>[https://twitter.com/hedgehog_hasira/status/1522381044976013315][https://twitter.com/CC_jabberwock/status/1621947944596557824]</ref>
| -|| -|| -|| 0.2<ref>For base {{ASW}} ASW ≤ 7</ref><br>0.3<ref>For base {{ASW}} ASW ≥ 8</ref>|| -
|-
|-
| colspan=3|[[:Category:Depth Charges|Depth Charges]]<br>{{DepthCharge}}
| rowspan=2|[[Extra Armor]]<br>{{ArmorEquipment}}
| 0.75|| -|| -|| 0.66|| -|| -|| -|| -|| -|| -|| -|| -|| -
| [[Medium Extra Armor|Medium]]
| -|| -|| -|| -|| 0.2
|-
|-
| [[Large Extra Armor|Large]]
| 0.75|| -|| -|| 0.66|| -|| -|| -|| 1.3<ref>Applies to ASW only.</ref>|| -|| -|| 1.5|| -|| -
| -|| -|| -|| -|| 0.3
|}
<references/>
{{Clear}}
==Averaged Bonus==
The average is counted using all craft on the ship for anti-installation, and all "working" craft in the fleet for expeditions.
All the following bonuses are part of bigger formulas:
*''See [[Anti-Installation]] for more details,
*''See [[Expeditions#Expedition_Rewards|Expedition]] for more details.
{|class="wikitable" style="text-align:center"
!colspan=2 rowspan=2|Equipment Type
!colspan=2|Anti-Installation Bonuses<ref>The average stars are counted on a per-category basis, with each 3 categories being counted separately.</ref><ref>https://bbs.nga.cn/read.php?tid=39595977&rand=587</ref>
!rowspan=2|Expedition Bonus
|-
|-
! style="color:tomato"|A1
| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| 1.5|| -|| -
! style="color:tomato"|C
|-
|-
| colspan=3|[[:Category:Shells|Shells]]<br>{{RedAmmo}}{{GreenAmmo}}
|colspan=2|[[Landing Craft]]<br>{{LandingCraft}}
| 1|| -|| 1|| -|| -|| -|| -|| -|| 1|| -|| -|| -|| -
|1 + (Average {{Star}} /50)
|[1 + (Average {{Star}} /50)]<sup>'''N'''</sup><ref name="N">N = 1 for any [[Landing Craft]]/[[Ka-Tsu]], +1 to N for each unique:
*{{EquipmentLink|Daihatsu Landing Craft (Type 89 Medium Tank & Landing Force)|text=DLC + T89 tank}} OR {{EquipmentLink|Toku Daihatsu Landing Craft + Type 1 Gun Tank|text=Toku DLC + Ho-Ni}}
*{{EquipmentLink|Daihatsu Landing Craft (Panzer II/North African Specification)|text=DLC + Panzer II}}
*{{EquipmentLink|Toku Daihatsu Landing Craft + Panzer III (North African Specification)|text=Toku DLC + Panzer III}}</ref>
|rowspan=3| 1 + (Average {{Star}} /100)<ref>Does not work for Type 3 [[Landing Tank]]s</ref>
|-
|-
| colspan=3|[[:Category:Landing Craft|Landing Crafts]] & [[:Category:Amphibious Tank|Amphibious Tank]]<br>{{LandingCraft}}{{Amphibious Tank}}
|rowspan=2|[[Amphibious Vehicle]]s<br>{{Amphibious Tank}}
| 1|| -|| 1|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -
|{{Equipment/Link|Special Type 2 Amphibious Tank|text=Ka-Mi tank}}
| 1 + (Average {{Star}} /30)
| 1 + (Average {{Star}} /30)
|-
|-
| colspan=3|[[:Category:Anti-Ground Artillery|Anti-Ground Artillery]]<br>{{AntiGroundArtillery}}
|{{Equipment/Link|Special Type 4 Amphibious Tank|Special Type 4 Amphibious Tank Kai|text=Ka-Tsu tanks|link=Ka-Tsu}}
| 1|| -|| 1|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -
| 1 + (Average {{Star}} /50)
|[1 + (Average {{Star}} /50)]<sup>'''N'''</sup><ref name="N"/>
|-
|-
| colspan=3|[[:Category:Lookout|Lookouts]]<br>{{SurfaceShipPersonnel}}
|colspan=2|[[Landing Force]]s<br>{{Landing Forces}}
| -|| -|| 1|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -
|colspan=2|''Unknown yet
| -
|}
|}
<references/>
<references/>
{{Clear}}
{{Clear}}
===Linear Bonus===
==Misc Bonuses==
Other bonuses observed in the game.
*''See [[Smoke Generator]]s for more details,
{|class="wikitable" style="text-align:center"
{|class="wikitable" style="text-align:center"
!colspan=2|Equipment Type
!Equipment Type
!Fighter Power
! Smoke Trigger Rate
!Dive Bomb
! Smoke Level
!Torpedo
|-
!ASW
|[[Smoke Generator]]s<br>{{Smoke}}
| ''Increased''<ref>https://discord.com/channels/118339803660943369/178613137430282240/1160847799106158662</ref>
| ''Increased''<ref>2 smokes at {{MaxStar}} can trigger level 3 smoke[https://twitter.com/Nanano88_/status/1777318858845749464]</ref>
|}
It is confirmed that none of the usual stats, probably nothing at all, is given to the following equipment types<ref>https://twitter.com/Divinity_123/status/1377666014834479104</ref>.
{|class="wikitable" style="text-align:center"
!Equipment Type
! Effect
|-
|[[Submarine Equipment]]s<br>{{SubmarineRadar}}
| "Nothing"
|-
|[[Combat Ration]]s<br>{{Rations}}
| "Nothing"<ref>[[Morale and Fatigue#Morale modifiers|Morale gains]] might be affected.</ref>
|}
<references/>
{{Clear}}
*So far, {{Rations}} {{EquipmentLink|Combat Ration|text=Onigiri}} improvement only serves to upgrade into {{EquipmentLink|Combat Ration (Special Onigiri)|text=Special Onigiri}}.
** Since improving a {{EquipmentLink|Combat Ration}} up to +6★ cost '''0''' screw, it is possible to farm some screw by upgrading a ration once a day while doing quest {{Q|Fd6}}.
===Myths===
The following have been confirmed to be negative.
*{{Star}} on {{Searchlight}} [[Searchlights]] do NOT increase:
**[[Night Cut-In]] rate of neither fleets,
**[[Shooting Order and Targeting#Searchlights|Targeting]] rate.
*{{Star}} on {{SurfaceShipPersonnel}} [[Lookout]]s do NOT increase [[Night Cut-In]] rate,
*{{Star}} on {{SubmarineRadar}} [[Submarine Equipment]]s do NOT increase [[Night Cut-In]] rate.
==Visible Fit Bonuses==
The following equipment provide additional [[Visible Fit Bonuses]] to some ships when improved:
{|class="wikitable mw-collapsible mw-collapsed"
!Type
!Equipment
!Notes
|-
!rowspan=11|{{Large Gun}}
|{{EquipmentLink|38cm Twin Gun Mount Kai}}
|
|-
|{{EquipmentLink|35.6cm Triple Gun Mount Kai (Dazzle Camouflage)}}
|
|-
|{{EquipmentLink|16inch Triple Gun Mount Mk.6}}
|
|-
|{{EquipmentLink|16inch Triple Gun Mount Mk.6 mod.2}}
|
|-
|{{EquipmentLink|16inch Triple Gun Mount Mk.6 + GFCS}}
|Not improvable
|-
|{{EquipmentLink|38cm Quadruple Gun Mount Kai Deux}}
|
|-
|{{EquipmentLink|35.6cm Twin Gun Mount Kai 3 (Dazzle Camouflage)}}
|
|-
|{{EquipmentLink|35.6cm Twin Gun Mount Kai 4}}
|Not improvable
|-
|{{EquipmentLink|14inch/45 Twin Gun Mount}}
|
|-
|{{EquipmentLink|14inch/45 Triple Gun Mount}}
|
|-
|{{EquipmentLink|35.6cm Twin Gun Mount Kai 3 C}}
|Not improvable
|-
!rowspan=7|{{Med Gun}}
|{{EquipmentLink|SKC34 20.3cm Twin Gun Mount}}
|
|-
|{{EquipmentLink|14cm Twin Gun Mount Kai}}
|
|-
|{{EquipmentLink|6inch Triple Rapid Fire Gun Mount Mk.16}}
|Not improvable
|-
|{{EquipmentLink|6inch Triple Rapid Fire Gun Mount Mk.16 mod.2}}
|Not improvable
|-
|{{EquipmentLink|6inch Mk.XXIII Triple Gun Mount}}
|Not improvable
|-
|{{EquipmentLink|14cm Twin Gun Mount Kai 2}}
|
|-
|{{EquipmentLink|Prototype 20.3cm (No.4) Twin Gun Mount}}
|
|-
!rowspan=7|{{Light Gun}}
|{{EquipmentLink|12.7cm Single Gun Mount}}
|
|-
|{{EquipmentLink|12.7cm Twin Gun Mount Model D Kai 2}}
|
|-
|{{EquipmentLink|12.7cm Twin Gun Mount Model A Kai 2}}
|
|-
|{{EquipmentLink|12.7cm Twin Gun Mount Model D Kai 3}}
|Not improvable
|-
|{{EquipmentLink|120mm/50 Twin Gun Mount Kai A.mod.1937}}
|
|-
|{{EquipmentLink|12.7cm Twin Gun Mount Model C Kai 3}}
|
|-
|{{EquipmentLink|12.7cm Twin Gun Mount Model C Kai 3 H}}
|
|-
!rowspan=5|{{Small Green}}
|{{EquipmentLink|10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director}}
|
|-
|{{EquipmentLink|12.7cm Single High-angle Gun Mount (Late Model)}}
|
|-
|{{EquipmentLink|Locally Modified 12.7cm Twin High-angle Gun Mount}}
|Not improvable
|-
|{{EquipmentLink|Locally Modified 10cm Twin High-angle Gun Mount}}
|Not improvable
|-
|{{EquipmentLink|12cm Single High-angle Gun Mount Model E Kai}}
|
|-
!{{Sec Gun}}
|{{EquipmentLink|15.2cm Triple Gun Mount}}
|
|-
!rowspan=4|{{Sec Green}}
|{{EquipmentLink|8cm High-angle Gun Kai + Additional Machine Guns}}
|
|-
|{{EquipmentLink|10cm Twin High-angle Gun Mount Kai + Additional Machine Guns}}
|
|-
|{{EquipmentLink|65mm/64 Single Rapid Fire Gun Mount Kai}}
|Not improvable
|-
|{{EquipmentLink|12cm Single High-angle Gun Mount + 25mm Machine Guns Additions}}
|
|-
!rowspan=6|{{AA Gun}}
|{{EquipmentLink|25mm Twin Autocannon Mount}}
|
|-
|{{EquipmentLink|25mm Triple Autocannon Mount}}
|
|-
|{{EquipmentLink|25mm Single Autocannon Mount}}
|
|-
|{{EquipmentLink|25mm Triple Autocannon Mount (Concentrated Deployment)}}
|
|-
|{{EquipmentLink|2cm Flakvierling 38}}
|
|-
|{{EquipmentLink|3.7cm FlaK M42}}
|Not improvable
|-
!rowspan=3|{{TorpedoWeapon}}
|{{EquipmentLink|53cm Twin Torpedo Mount}}
|Only as synergy
|-
|{{EquipmentLink|61cm Triple (Oxygen) Torpedo Mount Late Model}}
|
|-
|{{EquipmentLink|61cm Quadruple (Oxygen) Torpedo Mount Late Model}}
|
|-
!rowspan=2|{{Sub Torpedo}}
|{{EquipmentLink|Late Model 53cm Bow Torpedo Mount (8 tubes)}}
|
|-
|{{EquipmentLink|Skilled Sonar Personnel + Late Model Bow Torpedo Mount (4 tubes)}}
|Not improvable
|-
!rowspan=3|{{Fighter}}
|{{EquipmentLink|Seafire Mk.III Kai}}
|Not improvable
|-
|{{EquipmentLink|Shiden Kai 4}}
|
|-
|{{EquipmentLink|Type 0 Fighter Model 64 (Air Superiority Fighter Specification)}}
|
|-
!rowspan=5|{{Dive Bomber}}
|{{EquipmentLink|SBD-5}}
|
|-
|{{EquipmentLink|SB2C-3}}
|
|-
|{{EquipmentLink|SB2C-5}}
|
|-
|{{EquipmentLink|Type 0 Fighter Model 64 (Two-seat w/ KMX)}}
|
|-
|{{EquipmentLink|Type 0 Fighter Model 64 (Skilled Fighter-bomber)}}
|
|-
!rowspan=2|{{Torpedo Bomber}}
|{{EquipmentLink|Barracuda Mk.II}}
|
|-
|{{EquipmentLink|Barracuda Mk.III}}
|
|-
!rowspan=5|{{Carrier Recon}}
|{{EquipmentLink|Saiun}}
|Not improvable
|-
|{{EquipmentLink|Type 2 Reconnaissance Aircraft}}
|
|-
|{{EquipmentLink|Saiun (Eastern Caroline Air Group)}}
|Not improvable
|-
|{{EquipmentLink|Saiun (4th Recon Squad)}}
|Not improvable
|-
|{{EquipmentLink|Fulmar (Reconnaissance Fighter/Skilled)}}
|Not improbable
|-
!{{Large Recon}}
|{{EquipmentLink|Prototype Keiun (Carrier-based Reconnaissance Model)}}
|
|-
!rowspan=8|{{SPR}}
|{{EquipmentLink|Ar196 Kai}}
|
|-
|{{EquipmentLink|Shiun}}
|
|-
|{{EquipmentLink|OS2U}}
|
|-
|{{EquipmentLink|SOC Seagull}}
|
|-
|{{EquipmentLink|SO3C Seamew Kai}}
|Not improvable
|-
|{{EquipmentLink|Shiun (Skilled)}}
|Not improvable
|-
|{{EquipmentLink|Type 0 Small Reconnaissance Seaplane}}
|Not improvable
|-
|{{EquipmentLink|Type 0 Small Reconnaissance Seaplane (Skilled)}}
|Not improvable
|-
!{{Night Recon}}
|{{EquipmentLink|Loire 130M}}
|
|-
!{{SPF}}
|{{EquipmentLink|Kyoufuu Kai 2}}
|
|-
!rowspan=3|{{ASWPlane}}
|{{EquipmentLink|Type 3 Command Liaison Aircraft Kai}}
|
|-
|{{EquipmentLink|Type 1 Fighter Hayabusa Model II Kai (20th Squadron)}}
|Not improvable
|-
|{{EquipmentLink|Type 1 Fighter Hayabusa Model III Kai (Skilled/20th Squadron)}}
|Not improvable
|-
!rowspan=2|{{DepthCharge}}
|{{EquipmentLink|Type 2 Depth Charge}}
|
|-
|{{EquipmentLink|Type 2 Depth Charge Kai 2}}
|
|-
!{{Small Sonar}}
|{{EquipmentLink|Type 3 Active Sonar Kai}}
|
|-
!{{Large Sonar}}
|{{EquipmentLink|Type 0 Passive Sonar}}
|
|-
!rowspan=2|{{Small Radar}}
|{{EquipmentLink|Type 13 Air Radar Kai (Late Model)}}
|
|-
|{{EquipmentLink|Passive Radiolocator (E27) + Type 22 Surface Radar Kai 4 (Calibrated Late Model)}}
|
|-
!rowspan=5|{{Large Radar}}
|{{EquipmentLink|FuMO25 Radar}}
|
|-
|-
| colspan=2|[[:Category:Submarine Torpedoes|Submarine Torpedoes]]<br>{{TorpedoWeapon}}
|{{EquipmentLink|Type 21 Air Radar Kai 2}}
| -|| -|| 0.2|| -|| -|| -|| -
|
|-
|-
| rowspan=4|Carrier-based Planes
|{{EquipmentLink|Type 42 Air Radar Kai 2}}
|Not improvable
| 0.2|| -|| -|| -|| -|| -|| -
|-
|-
| [[:Category:Fighter-Bombers|Fighter-Bombers]]<br>{{RedPlane}}
|{{EquipmentLink|Type 281 Radar}}
| 0.25|| -|| -|| -|| -|| -|| -
|Not improvable
|-
|-
| [[:Category:Dive Bombers|Dive Bombers]] (ex. FB)<br>{{RedPlane}}
|{{EquipmentLink|Type 274 Fire Control Radar}}
| -|| 0.2|| -|| 0.2|| -|| -|| -
|Not improvable
|-
|-
!{{SubmarineRadar}}
| -|| -|| 0.2|| 0.2|| -|| -|| -
|{{EquipmentLink|Late Model Radar & Passive Radiolocator + Snorkel Equipment}}
|Not improvable
|-
|-
!rowspan=2|{{AA Shell}}
| 0.2|| -|| -|| -|| -|| -|| -
|{{EquipmentLink|Type 3 Shell Kai}}
|
|-
|-
| rowspan=2|[[:Category:Armor|Armor]]<br>{{ArmorEquipment}}
|{{EquipmentLink|Type 3 Shell Kai 2}}
| Medium
|
|-
|-
!{{SurfaceShipPersonnel}}
| -|| -|| -|| -|| 0.3|| -|| -
|{{EquipmentLink|Torpedo Squadron Skilled Lookouts}}
|Not improvable
|-
|-
!{{Turbine}}
| -|| 0.2|| -|| -|| -|| -|| -
|{{EquipmentLink|New Model High Temperature High Pressure Boiler}}
|
|-
|-
!rowspan=2|{{Large Armor}}
| Basic<ref>[[Ka-type Observation Autogyro]] and [[O Type Observation Autogyro Kai]]</ref>
|{{EquipmentLink|Pugliese Underwater Protection Bulkhead}}
| -|| -|| -|| 0.2|| -|| -|| -
|
|-
|-
| Advanced<ref>[[O Type Observation Autogyro Kai Ni]], [[S-51J]] and [[S-51J Kai]]</ref>
|{{EquipmentLink|New Kanhon Design Anti-torpedo Bulge (Large)}}
| -|| -|| -|| 0.3|| -|| -|| -
|
|-
|-
!{{Aviation Personnel}}
| -|| -|| -|| 0.2|| -|| -|| -
|{{EquipmentLink|Skilled Deck Personnel + Aviation Maintenance Hands}}
|
|-
|-
!rowspan=2|{{Amphibious Tank}}
| -|| -|| -|| -|| -|| 0.02%|| 0.05%<ref>For [[Daihatsu-class Landing Craft]] and [[Toku Daihatsu-class Landing Craft]].</ref>
|{{EquipmentLink|Special Type 4 Amphibious Tank}}
|Not improvable
|-
|-
| colspan=2|[[:Category:Amphibious Tank|Amphibious Tanks]]<br>{{Amphibious Tank}}
|{{EquipmentLink|Special Type 4 Amphibious Tank Kai}}
| -|| -|| -|| -|| -|| 0.03%|| 0.01%
|Not improvable
|}
|}
{{Clear}}
==Equipability==
The following equipment have enhanced [[Equipment/Equipability|equipability]] when improved:
*{{Small Radar}} {{EquipmentLink|Passive Radiolocator (E27) + Type 22 Surface Radar Kai 4 (Calibrated Late Model)}} at {{Star}}+4:
**Can be equipped in the [[RE]] of: {{Class|Kagerou}}, {{Class|Yuugumo}}, {{Class|Matsu}}, [[Shimakaze Kai]], [[Shigure Kai San]], [[Harusame Kai Ni]], {{Class|Kongou|Kai Ni B/C}}
*{{Large Radar}} {{EquipmentLink|FuMO25 Radar}} at {{Star}}+7:
**Can be equipped in the [[RE]] of: {{Class|Bismarck}}, {{Class|Admiral Hipper}}
==Resource Node Bonus==
Uniquely on the [[Resource Node]]s of [[1-6]] and [[3-5]], improvements {{Star}} slightly increase resource gains.
{{Gain Modifier Sp2}}
==Expeditions Bonus==
For expedition stats requirements, improvements {{Star}} are globally simplified, overwriting the above-mentioned improvements.
*''See [[Expeditions#Adjusted Improvement|here]] for more details
=See Also=
=See Also=
[[Akashi's Improvement Arsenal]]<br>
*[[Akashi's Improvement Arsenal]]
[[Improvement/Reference Charts]]<br>
*[[Improvement/Categories]]
https://akashi-list.me/<br>
*[[Improvement/Helper]]
*[[Improvement/Reference Charts]]
*[[Help:Akashi Upgrades]]
*https://akashi-list.me/
{{Mechanics}}
{{Mechanics}}