42,741
edits
Changes
→Visible Fit Bonuses
{{PortMechanicsPortal}}
{{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.''
#* 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.
#* [[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 {{Star}} 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 {{Star}} 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=
*''For calculated improvment bonuses, please refer to the [[Improvement/Categories|Categories Charts]] or [[Improvement/Reference_Charts|Reference Charts]].''
*''For calculated improvment bonuses, please refer to the [[Improvement/Categories|Categories Charts]] or [[Improvement/Reference_Charts|Reference Charts]].''
The improvement effects are unknown for:
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:
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"
|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|Fighter Power
!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!!Torpedo
!Firepower!!Torpedo
!Ship!!Fleet
!Ship!!Fleet
!Shelling!!Torpedo
!Day!!Night!!Torpedo!!ASW
!Shelling!!Torpedo
!Shelling!!Torpedo
|-
|-
| rowspan=4|[[Main Gun]]s
| rowspan=3|[[Main Gun]]s
|([[Very Large Caliber Main Gun|Very]]) [[Large Caliber Main Gun|Large]]<br>{{Large Gun}}{{Very Large Gun}}
| 1.5|| -|| 1|| -|| -|| -|| -|| -|| 1|| -|| -|| -
| 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|| -|| 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|| -|| -|| -|| -
| 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|| -|| -|| -
|-
|-
| rowspan=4|[[Secondary Gun]]s
| rowspan=4|[[Secondary Gun]]s
|{{EquipmentLink|90mm Single High-angle Gun Mount|text=90 mm Single HA}}<br>{{Sec Green}}
| 1|| -|| 1|| -|| -|| -|| 1|| -|| -|| -
| 1|| -|| 1|| -|| -|| -|| 1|| 1.3|| -|| -|| -|| -
| 1|| 1.2|| -|| -|| 4<ref name="aa1"/><br>6<ref name="aa2"/>|| -|| -|| -|| -|| 2|| -|| -
|-
|-
| colspan=3|[[Midget Submarine]]s<br>{{Minisub}}
|(Large) [[:Category:Secondary High-Angle Guns|HA]] (Green)<br>{{Sec Green}} {{Large Sec Green}}
| -|| -|| 1|| -|| -|| -|| -|| -|| -|| -|| -|| -
|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|| -|| -|| -|| -
|-
|-
| colspan=3|(Large) [[Carrier Recon]]s<br>{{YellowPlane}}
|Surface (Yellow)<br>{{Sec Gun}}
| -|| -|| -|| -|| -|| -|| -|| 1.2|| -|| -|| -|| -
| -|| -|| -|| -|| -|| -|| 1|| 1.3|| -|| -|| -|| -
|-
|-
| colspan=3|[[LFB|Large Flying Boats]]<br>{{LargeFlyingBoat}}
|{{EquipmentLink|15.2cm Single Gun Mount|text=15.2 cm Single}} & {{EquipmentLink|OTO 152mm Triple Rapid Fire Gun Mount|text=OTO}}<br>{{Sec Gun}}
| -|| -|| -|| -|| -|| -|| -|| 1.2|| -|| -|| -|| -
| 1|| -|| 1|| -|| -|| -|| -|| -|| 1|| 1.3|| -|| -|| -|| -
|-
|-
| rowspan=2|[[Seaplane]]s<br>{{Seaplane}}
| colspan=2|[[Anti-Aircraft Fire Director]]s<br>{{AAFD}}
| colspan=2|[[SPR|Recons]]
| 1|| -|| 1|| -|| 2<ref name="aa1"/><br>3<ref name="aa2"/>|| 2<ref name="aa1"/><br>3<ref name="aa2"/>|| -|| -|| 1|| 1.3|| -|| -|| -|| -
| -|| -|| -|| -|| -|| -|| -|| 1.2|| -|| -|| -|| -
|-
|-
| colspan=2|[[SPB|Bombers]]
| colspan=2|[[AA Gun|Anti-Air Guns]]<br>{{AA Gun}}
| -|| -|| -|| -|| -|| -|| -|| 1.1|| -|| -|| -|| -
| 1|| 1.2|| -|| -|| 4<ref name="aa1"/><br>6<ref name="aa2"/>|| -|| -|| -|| -|| -|| 2|| -|| -|| -
|-
|-
| colspan=3|[[Liaison Aircraft]]<br>{{ASWPlane}}
| colspan=2|[[Torpedo]]es<br>{{TorpedoWeapon}}
| -|| -|| -|| -|| -|| -|| -|| -|| 1|| -|| -|| -
| -|| 1.2|| 1|| -|| -|| -|| -|| -|| -|| 1.3|| 2|| -|| -|| -
|-
|-
| colspan=2|[[Midget Submarine]]s<br>{{Minisub}}
| colspan=2|[[:Category:Land-Based Attackers|Attackers]]/[[:Category:Land-Based Assault Aircraft|Assault]]/[[:Category:Land-based Heavy Bombers|Heavy Bombers]]<br>{{Land-based Attack Aircraft}}{{Land-based Assault Aircraft}}{{Large Land-based Aircraft}}
| -|| -|| 1|| -|| -|| -|| -|| -|| -|| 1.3|| -|| -|| -|| -
| -|| 0.7|| -|| -|| -|| -|| 0.5|| -|| -|| -|| -|| -
|-
|-
| colspan=2|{{EquipmentLink|Ginga}} & {{EquipmentLink|Type 1 Land-based Attack Aircraft (Nonaka Squadron)|text=Type 1 Nonaka}}<br>{{Land-based Attack Aircraft}}
| colspan=2|(Large) [[Carrier Recon]]s/[[Large Flying Boat]]s<br>{{Carrier Recon}}{{Large Recon}}{{LFB}}
| -|| 0.7|| -|| -|| -|| -|| [[#Linear Bonus|Linear]] 0.25|| -|| -|| -|| -|| -
| -|| -|| -|| -|| -|| -|| -|| 1.2|| -|| -|| -|| -|| -|| -
|-
|-
| colspan=2|{{EquipmentLink|Bomb-carrying Type 1 Fighter Hayabusa Model III Kai (65th Squadron)|text=Hayabusa bomber}}<br>{{Interceptor Fighter2}}
| colspan=2|[[LB Recon]]s<br>{{Land-Based Recon}}
| -|| -|| -|| -|| -|| -|| 0.5|| -|| -|| -|| -|| -
| -|| -|| -|| -|| -|| -|| -|| 1.2?<ref>LoS might be affected like other recons, but it is not measurable, due to how LBAS work.</ref>|| -|| -|| -|| -|| -|| -
|-
|-
| rowspan=6|[[Radar]]s<br>{{Radar}}
| rowspan=2|[[Seaplane]]s<br>{{Seaplane}}{{Night Recon}}
|[[SPR|Recons]]
| -|| -|| -|| -|| -|| -|| -|| 1.2|| -|| -|| -|| -|| -|| -
| -|| -|| -|| -|| -|| -|| -|| 1.4||rowspan=3| 1.7|| -|| -|| -
|-
|-
| [[Small Radar|Small]]
|[[SPB|Bombers]]
| -|| -|| -|| -|| -|| -|| -|| 1.25|| -|| -|| -
| -|| -|| -|| -|| -|| -|| -|| 1.1|| -|| -|| -|| -|| -|| -
|-
|-
| rowspan=2|Dual Purpose
| colspan=2|[[Rotorcraft]]/[[Liaison Aircraft]]<br>{{Autogyro}}{{ASWPlane}}
| -|| -|| -|| [[#Linear Bonus|Linear]]|| -|| -|| -|| -|| 1?<ref name="?">Unconfirmed yet</ref>|| 1.3?<ref name="?"/>|| -|| -|| -|| -
| -|| -|| -|| -|| -||rowspan=4| 1.5|| -|| 1.4|| -|| -|| -
|-
|-
| [[Small Radar|Small]]
| rowspan=2|[[Land Based Bomber]]s
| -|| -|| -|| -|| -|| -|| 1.25||rowspan=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|| -|| -|| -|| -|| -|| -|| -
|-
|-
| rowspan=2|[[Air Radar]]
|{{EquipmentLink|Bomb-carrying Type 1 Fighter Hayabusa Model III Kai (65th Squadron)|text=Hayabusa bomber}}<br>{{IconText|{{LB Fighter 2}}|bomber}}
| [[Large Radar|Large]]
| -|| {{ToolTip|0.7*|only against DD and Installation [https://twitter.com/Divinity_123/status/1659942251257004035] }}|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -
| -|| -|| -|| -|| -|| -|| 1.4|| -|| -|| -
|-
|-
| [[Small Radar|Small]]
| colspan=2|[[Radar]]s<br>{{Radar}}
| -|| -|| -|| -|| -|| -|| 1.25|| -|| -|| -
| -|| -|| -|| -|| -|| 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|[[Depth Charge]]s<br>{{DepthCharge}}
| colspan=2|[[Depth Charge]]s<br>{{DepthCharge}}
| 0.75|| -|| -|| 0.67|| -|| -|| -|| -|| -|| -|| -|| -
| 0.75|| -|| -||rowspan=2| 0.67|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -
|-
|-
| colspan=3|[[Sonar]]s<br>{{Sonar}}
| 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}}
| 0.75|| -|| -|| 0.67|| -|| -|| -|| -|| 1.3<ref>Applies to ASW only.</ref>|| -|| -|| 1.5
| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -
|-
|-
| colspan=3|[[Engine Improvement]]s<br>{{Turbine}}
| colspan=2|[[Sonar]]s<br>{{Sonar}}
| -|| -|| -|| -|| -|| -|| -|| -|| -|| -||colspan=2| 1.5
| 0.75|| -|| -|| 0.67|| -|| -|| -|| -|| -|| -|| -|| 1.3|| -|| 1.5
|-
|-
| colspan=3|[[Shell]]s<br>{{RedAmmo}}{{GreenAmmo}}
| colspan=2|[[Engine Improvement]]s<br>{{Turbine}}
| 1|| -|| 1|| -|| -|| -|| -|| -|| 1|| -|| -|| -
| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -|| -||colspan=2| 1.5
|-
|-
| colspan=3|[[Landing Craft]] & [[Amphibious Tank]]s<br>{{LandingCraft}}{{Amphibious Tank}}
| 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|[[Anti-Ground Rocket]]s<br>{{AntiGroundArtillery}}
| colspan=2|[[Aviation Personnel]]s/[[Anti-Ground Rocket]]s<br>[[Smoke Generator]]s<br>{{Aviation Personnel}}{{AntiGroundArtillery}}{{Smoke}}
| 1|| -|| 1|| -|| -|| -|| -|| -|| 1?<ref name="?"/>|| 1.3?<ref name="?"/>|| -|| -|| -|| -
| 1|| -|| 1|| -|| -|| -|| -|| -|| -|| -|| -|| -
|}
|}
<references/>
<references/>
{{Clear}}
{{Clear}}
==Linear Bonus==
Some bonuses have a linear growth. The bonus per improvement level is given in the table below.
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"
{|class="wikitable" style="text-align:center"
|rowspan=3| 0.2|| -|| -|| -|| -
|rowspan=3| 0.2|| -|| -|| -|| -
|-
|-
| colspan=2|[[SPF]]<br>{{SeaplaneFighter}}
| colspan=2|[[Seaplane Fighter]]s<br>{{SeaplaneFighter}}
| -|| -|| -|| -
| -|| -|| -|| -
|-
|-
| -|| -|| 0.2|| -
| -|| -|| 0.2|| -
|-
|-
| colspan=2|[[SPB|Seaplane Bombers]]<br>{{Seaplane}}
| colspan=2|[[Seaplane Bomber]]s<br>{{Seaplane}}
| -|| 0.2|| -|| -|| -
| -|| 0.2|| -|| -|| -
|-
|-
| rowspan=2|[[Rotorcraft]]<br>{{Autogyro}}
| colspan=2|[[Rotorcraft]]<br>{{Autogyro}}
| -|| -|| -||0.2<ref>For base {{ASW}} ASW ≤ 10</ref><br>0.3<ref>For base {{ASW}} ASW ≥ 11</ref>|| -
| -|| -|| -|| 0.3|| -
|-
|-
| {{EquipmentLink|Type 3 Command Liaison Aircraft Kai|Type 1 Fighter Hayabusa Model II Kai (20th Squadron)|text=Advanced}}
| colspan=2|[[Liaison Aircraft]]<br>{{ASWPlane}}<ref>[https://twitter.com/hedgehog_hasira/status/1522381044976013315][https://twitter.com/CC_jabberwock/status/1621947944596557824]</ref>
| -|| -|| -|| 0.3|| -
| -|| -|| -|| 0.2<ref>For base {{ASW}} ASW ≤ 7</ref><br>0.3<ref>For base {{ASW}} ASW ≥ 8</ref>|| -
|-
|-
| rowspan=2|[[Extra Armor]]<br>{{ArmorEquipment}}
| rowspan=2|[[Extra Armor]]<br>{{ArmorEquipment}}
{{Clear}}
{{Clear}}
===Linear % Bonus===
==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
! style="color:tomato"|C
|-
|colspan=2|[[Landing Craft]]<br>{{LandingCraft}}
|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>
|-
|rowspan=2|[[Amphibious Vehicle]]s<br>{{Amphibious Tank}}
|{{Equipment/Link|Special Type 2 Amphibious Tank|text=Ka-Mi tank}}
| 1 + (Average {{Star}} /30)
| 1 + (Average {{Star}} /30)
|-
|{{Equipment/Link|Special Type 4 Amphibious Tank|Special Type 4 Amphibious Tank Kai|text=Ka-Tsu tanks|link=Ka-Tsu}}
| 1 + (Average {{Star}} /50)
|[1 + (Average {{Star}} /50)]<sup>'''N'''</sup><ref name="N"/>
|-
|colspan=2|[[Landing Force]]s<br>{{Landing Forces}}
|colspan=2|''Unknown yet
| -
|}
<references/>
{{Clear}}
==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"
!rowspan=2|Equipment Type
!Equipment Type
!rowspan=2|Anti-Installation Bonus<ref>See [[Anti-Installation#Damage_Bonuses|Anti-Installation]] for more details.</ref>
! Smoke<br>Trigger Rate
!rowspan=2|Expedition Bonus<ref>See [[Expeditions#Expedition_Rewards|Expedition]] for more details</ref>
! Smoke Level
! [[Support Fleet]]<br>Trigger Rate
|-
|-
!Fleet!!Enemy
|[[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>
! -
|-
|-
|[[Landing Craft]]<br>{{LandingCraft}}
|{{Equipment/Link|Fleet Communication Antenna|text=FCA}}<br>{{FCF}}
| 0.02%<ref>Some equipment have additional properties over that.</ref>|| 0.05%<ref>For [[Daihatsu Landing Craft]] and [[Toku Daihatsu Landing Craft]].</ref><br>0.02%<ref>For [[Daihatsu Landing Craft (Type 89 Medium Tank & Landing Force)]].</ref><br>0%<ref>For other Landing Craft.</ref>|| -|| -
!colspan=2| -
| ''Increased?''
|}
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
|-
|-
|[[Tank|Amphibious Tanks]]<br>{{Amphibious Tank}}
|[[Submarine Equipment]]s<br>{{SubmarineRadar}}
| 0.03%|| 0.01%|| -|| -
| "Nothing"
|-
|-
|[[Searchlights]]<br>{{Searchlight}}
|[[Combat Ration]]s<br>{{Rations}}
| -|| -|| +?%|| -?%
| "Nothing"<ref>[[Morale and Fatigue#Morale modifiers|Morale gains]] might be affected.</ref>
|}
|}
<references/>
<references/>
{{Clear}}
{{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=5|{{Sec Green}}
|{{EquipmentLink|12.7cm High-angle Gun + Anti-Aircraft Fire Director}}
|
|-
|{{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}}
|
|-
|{{EquipmentLink|Type 21 Air Radar Kai 2}}
|
|-
|{{EquipmentLink|Type 42 Air Radar Kai 2}}
|Not improvable
|-
|{{EquipmentLink|Type 281 Radar}}
|Not improvable
|-
|{{EquipmentLink|Type 274 Fire Control Radar}}
|Not improvable
|-
!{{SubmarineRadar}}
|{{EquipmentLink|Late Model Radar & Passive Radiolocator + Snorkel Equipment}}
|Not improvable
|-
!rowspan=2|{{AA Shell}}
|{{EquipmentLink|Type 3 Shell Kai}}
|
|-
|{{EquipmentLink|Type 3 Shell Kai 2}}
|
|-
!{{SurfaceShipPersonnel}}
|{{EquipmentLink|Torpedo Squadron Skilled Lookouts}}
|Not improvable
|-
!{{Turbine}}
|{{EquipmentLink|New Model High Temperature High Pressure Boiler}}
|
|-
!rowspan=2|{{Large Armor}}
|{{EquipmentLink|Pugliese Underwater Protection Bulkhead}}
|
|-
|{{EquipmentLink|New Kanhon Design Anti-torpedo Bulge (Large)}}
|
|-
!{{Aviation Personnel}}
|{{EquipmentLink|Skilled Deck Personnel + Aviation Maintenance Hands}}
|
|-
!{{FCF}}
|{{EquipmentLink|Fleet Communication Antenna}}
|
|-
!rowspan=2|{{Amphibious Tank}}
|{{EquipmentLink|Special Type 4 Amphibious Tank}}
|Not improvable
|-
|{{EquipmentLink|Special Type 4 Amphibious Tank Kai}}
|Not improvable
|}
==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]]
*[[Akashi's Improvement Arsenal]]
*[[Improvement/Categories]]
*[[Improvement/Categories]]
*[[Improvement/Helper]]
*[[Improvement/Reference Charts]]
*[[Improvement/Reference Charts]]
*[[Help:Akashi Upgrades]]
*https://akashi-list.me/
*https://akashi-list.me/
{{Mechanics}}
{{Mechanics}}