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Difference between revisions of "Improvement"

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{{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 increases in performance for equipment, being represented using {{Star}} stars.
 +
 
 +
Improvements are notably done via "[[Akashi's Improvement Arsenal]]", requiring [[Akashi]] and Improvement Materials {{IM}}, or may be already present on the equipment when obtained.
 +
*''See how to perform improvements [[Akashi's Improvement Arsenal|here]].
 
*''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 improvable equipment [[:Category:Improvable Equipment|here]] (this omit the equipment not improvable but obtainable already improved) .
 +
**''For a comprehensive list, please refer to [https://akashi-list.me/ Akashi-List].
 
*''See the full list of ship Helpers [[Improvement/Helper|here]].
 
*''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.''
 
  
 
=Overview=
 
=Overview=
Line 10: Line 13:
 
# 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 (''see [[#Expeditions Bonus|here]]'').
−
#* Some improvements on equipment can add some additional [[#Visible Fit Bonuses|Visible Fit Bonuses]].
+
#* Some improvements on equipment can also 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.
 
#** This works on an equipment-to-equipment and ship-to-ship basis with no general rule.
−
# Most conversion quests (e.g. {{Q|F62}}), allow to use improved equipment, but any {{Star}} are lost during conversion.
+
# Most conversion quests (e.g. {{Q|F62}}), allow to use improved equipment, but any {{Star}} are {{color|red|lost during conversion}}.
 
# Certain conversion quests that do not require improved equipment, will carry over any {{Star}} from the required equipment to the upgraded equipment.
 
# Certain conversion quests that do not require improved equipment, will carry over any {{Star}} from the required equipment to the upgraded equipment.
 
#*So far, this is only applicable to quests {{Q|F13}}, {{Q|F14}}, {{Q|F15}}, {{Q|F19}}, {{Q|F24}}, {{Q|F26}}, {{Q|F28}}, {{Q|F29}}, {{Q|F30}}, {{Q|Fm1}}, and {{Q|Fm2}}.
 
#*So far, this is only applicable to quests {{Q|F13}}, {{Q|F14}}, {{Q|F15}}, {{Q|F19}}, {{Q|F24}}, {{Q|F26}}, {{Q|F28}}, {{Q|F29}}, {{Q|F30}}, {{Q|Fm1}}, and {{Q|Fm2}}.
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=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.
−
*Most improved stats will come as decimal numbers due to the use as base decimals and how [[wikipedia:Square root|square roots]] work.
+
*Most improved stats will come as decimal numbers, due to 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.  
 
*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]].''
+
*''For calculated improvement 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.
+
The improvement effects are unknown/unclear for some equipment types/cases.
  
 
==Square Rooted Bonus==
 
==Square Rooted Bonus==
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| -|| -|| 0.2|| -|| -
 
| -|| -|| 0.2|| -|| -
 
|-
 
|-
−
| colspan=2|[[Fighter]]s<br>{{GreenPlane}}
+
| colspan=2|[[Fighter]]s/[[SPF]]/[[Interceptor|LB Fighters]]<br>{{Fighter}}/{{SPF}}/{{LB Fighter 1}}{{LB Fighter 2}}
−
|rowspan=3| 0.2|| -|| -|| -|| -
+
| 0.2|| -|| -|| -|| -
−
|-
 
−
| colspan=2|[[Seaplane Fighter]]s<br>{{SeaplaneFighter}}
 
−
| -|| -|| -|| -
 
−
|-
 
−
| colspan=2|[[Interceptor|LB Fighters]]<br>{{Interceptor Fighter}}{{Interceptor Fighter2}}
 
−
| -|| -|| -|| -
 
 
|-
 
|-
−
| colspan=2|[[Fighter-Bomber]]s<br>{{RedPlane}}
+
| colspan=2|[[Fighter-Bomber]]s<br>{{Dive Bomber}}
 
|rowspan=2| 0.25|| -|| -|| -|| -
 
|rowspan=2| 0.25|| -|| -|| -|| -
 
|-
 
|-
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| -|| -||rowspan=3| 0.2||| -
 
| -|| -||rowspan=3| 0.2||| -
 
|-
 
|-
−
| colspan=2|[[Dive Bomber]]s (ex. FB)<br>{{RedPlane}}
+
| colspan=2|[[Dive Bomber]]s (ex. FB)<br>{{Dive Bomber}}
 
| -|| 0.2|| -|| -
 
| -|| 0.2|| -|| -
 
|-
 
|-
−
| colspan=2|[[Torpedo Bomber]]s<br>{{BluePlane}}
+
| colspan=2|[[Torpedo Bomber]]s<br>{{Torpedo Bomber}}
 
| -|| -|| 0.2|| -
 
| -|| -|| 0.2|| -
 
|-
 
|-
−
| colspan=2|[[Seaplane Bomber]]s<br>{{Seaplane}}
+
| colspan=2|[[Seaplane Bomber]]s<br>{{SPB}}
 
| -|| 0.2|| -|| -|| -
 
| -|| 0.2|| -|| -|| -
 
|-
 
|-
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|-
 
|-
 
|colspan=2|[[Landing Force]]s<br>{{Landing Forces}}
 
|colspan=2|[[Landing Force]]s<br>{{Landing Forces}}
−
|colspan=2|''Unknown yet
+
!colspan=3| -
−
| -
 
 
|}
 
|}
 
<references/>
 
<references/>
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==Misc Bonuses==
 
==Misc Bonuses==
−
Other bonuses observed in the game.
+
The following bonuses are part of bigger formulas:
 
*''See [[Smoke Generator]]s for more details,
 
*''See [[Smoke Generator]]s for more details,
 +
*''See [[Support Expedition#Trigger Rate|Support Expeditions]] for more details.
  
 
{|class="wikitable" style="text-align:center"
 
{|class="wikitable" style="text-align:center"
−
!Equipment Type
+
!colspan=2|Equipment Type
 
! Smoke<br>Trigger Rate
 
! Smoke<br>Trigger Rate
 
! Smoke Level
 
! Smoke Level
 
! [[Support Fleet]]<br>Trigger Rate
 
! [[Support Fleet]]<br>Trigger Rate
 
|-
 
|-
−
|[[Smoke Generator]]s<br>{{Smoke}}
+
|rowspan=2|[[Smoke]]s<br>{{Smoke}}
−
| ''Increased''<ref>https://discord.com/channels/118339803660943369/178613137430282240/1160847799106158662</ref>
+
|{{Equipment/Link|Smoke Generator (Smoke Screen)|text=Smoke Generator (base)}}
−
| ''Increased''<ref>2 smokes at {{MaxStar}} can trigger level 3 smoke[https://twitter.com/Nanano88_/status/1777318858845749464]</ref>
+
| <math>\text{K} = +0.3 \times \bigstar</math>
−
! -
+
|rowspan=2| ''Increased''<ref>2 smokes at {{MaxStar}} can trigger level 3 smoke[https://twitter.com/Nanano88_/status/1777318858845749464]</ref>
 +
|rowspan=2| -
 +
|-
 +
|{{Equipment/Link|Smoke Generator Kai (Smoke Screen)|text=Smoke Generator (Kai)}}
 +
| <math>\text{K} = +0.5 \times \bigstar</math>
 
|-
 
|-
−
|{{Equipment/Link|Fleet Communication Antenna|text=FCA}}<br>{{FCF}}
+
|colspan=2|{{Equipment/Link|Fleet Communication Antenna|text=FCA}}<br>{{FCF}}
−
!colspan=2| -
+
|colspan=2| -
 
| +2 %/{{Star}}<br>for the 2nd roll<ref>https://x.com/shiroos/status/1808545990217249165</ref>
 
| +2 %/{{Star}}<br>for the 2nd roll<ref>https://x.com/shiroos/status/1808545990217249165</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>:
−
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"
 
{|class="wikitable" style="text-align:center"
 
!Equipment Type
 
!Equipment Type
Line 269: Line 269:
 
<references/>
 
<references/>
 
{{Clear}}
 
{{Clear}}
 +
 +
*The {{Searchlight}} {{EquipmentLink|Type 96 150cm Searchlight}} has a "[[Saury|Saury fishing]]" bonus at +8 {{Star}}.
 
*So far, {{Rations}} {{EquipmentLink|Combat Ration|text=Onigiri}} improvement only serves to upgrade into {{EquipmentLink|Combat Ration (Special Onigiri)|text=Special Onigiri}}.
 
*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}}.
 
** 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}}.
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|-
 
|-
 
|{{EquipmentLink|35.6cm Twin Gun Mount Kai 3 C}}
 
|{{EquipmentLink|35.6cm Twin Gun Mount Kai 3 C}}
−
|Not improvable
+
|
 
|-
 
|-
 
!rowspan=9|{{Med Gun}}
 
!rowspan=9|{{Med Gun}}
Line 333: Line 335:
 
|-
 
|-
 
|{{EquipmentLink|6inch Triple Rapid Fire Gun Mount Mk.16 mod.2}}
 
|{{EquipmentLink|6inch Triple Rapid Fire Gun Mount Mk.16 mod.2}}
−
|Not improvable
+
|
 
|-
 
|-
 
|{{EquipmentLink|6inch Mk.XXIII Triple Gun Mount}}
 
|{{EquipmentLink|6inch Mk.XXIII Triple Gun Mount}}
Line 477: Line 479:
 
|-
 
|-
 
|{{EquipmentLink|SBD (Yellow Wings)}}
 
|{{EquipmentLink|SBD (Yellow Wings)}}
−
|Not improvable
+
|
 
|-
 
|-
 
|{{EquipmentLink|SBD VB-2 (Bomber Squadron)}}
 
|{{EquipmentLink|SBD VB-2 (Bomber Squadron)}}
−
|Not improvable
+
|
 
|-
 
|-
 
!rowspan=3|{{Torpedo Bomber}}
 
!rowspan=3|{{Torpedo Bomber}}
Line 490: Line 492:
 
|-
 
|-
 
|{{EquipmentLink|TBD (Yellow Wings)}}
 
|{{EquipmentLink|TBD (Yellow Wings)}}
−
|Not improvable
+
|
 
|-
 
|-
 
!rowspan=6|{{Carrier Recon}}
 
!rowspan=6|{{Carrier Recon}}
Line 529: Line 531:
 
|-
 
|-
 
|{{EquipmentLink|SOC Seagull Late Model (Skilled)}}
 
|{{EquipmentLink|SOC Seagull Late Model (Skilled)}}
−
|Not improvable
+
|
 
|-
 
|-
 
|{{EquipmentLink|SO3C Seamew Kai}}
 
|{{EquipmentLink|SO3C Seamew Kai}}
Line 553: Line 555:
 
|
 
|
 
|-
 
|-
−
!rowspan=3|{{ASWPlane}}
+
!rowspan=4|{{ASWPlane}}
 
|{{EquipmentLink|Type 3 Command Liaison Aircraft Kai}}
 
|{{EquipmentLink|Type 3 Command Liaison Aircraft Kai}}
 
|
 
|
Line 562: Line 564:
 
|{{EquipmentLink|Type 1 Fighter Hayabusa Model III Kai (Skilled/20th Squadron)}}
 
|{{EquipmentLink|Type 1 Fighter Hayabusa Model III Kai (Skilled/20th Squadron)}}
 
|Not improvable
 
|Not improvable
 +
|-
 +
|{{EquipmentLink|Type 3 Command Liaison Aircraft Kai 2}}
 +
|
 
|-
 
|-
 
!rowspan=2|{{DepthCharge}}
 
!rowspan=2|{{DepthCharge}}
Line 593: Line 598:
 
|-
 
|-
 
|{{EquipmentLink|Type 42 Air Radar Kai 2}}
 
|{{EquipmentLink|Type 42 Air Radar Kai 2}}
−
|Not improvable
+
|
 
|-
 
|-
 
|{{EquipmentLink|Type 281 Radar}}
 
|{{EquipmentLink|Type 281 Radar}}

Latest revision as of 00:32, 10 November 2024

Home Port's Mechanics Portal
Ship Equipment
Marriage · Morale and Fatigue · Gifting · Supply
Repairs · Remodel · Modernization · Construction 		Development · Improvement · Fit Bonuses
Speed · Range · Plane Proficiency
Stats · Resources · Experience and Rank · Ranking


"Improvements" are increases in performance for equipment, being represented using Improved stars.

Improvements are notably done via "Akashi's Improvement Arsenal", requiring Akashi and Improvement Materials Improvement material, or may be already present on the equipment when obtained.

  • See how to perform improvements here.
  • See the full list of improvable equipment here (this omit the equipment not improvable but obtainable already improved) .
  • See the full list of ship Helpers here.

Overview

  1. Improvement levels are displayed beside equipment names.
    • They run from Improved+1 to Max-Improved (+10).
  2. Improvement bonuses are hidden. The increase in stats is not reflected on ship girls' stat cards.
    • This means they do not count for Support Expeditions or for reaching certain thresholds like for OASW.
    • Those bonuses work to some extent to reach regular Expeditions thresholds (see here).
    • Some improvements on equipment can also add some additional Visible Fit Bonuses.
      • This works on an equipment-to-equipment and ship-to-ship basis with no general rule.
  3. Most conversion quests (e.g. F62), allow to use improved equipment, but any Improved are lost during conversion.
  4. Certain conversion quests that do not require improved equipment, will carry over any Improved from the required equipment to the upgraded equipment.

Improvement Bonuses

The bonus stats gained from improvement will vary depending on the type of equipment as well as the stat itself.

  • Most improved stats will come as decimal numbers, due to how 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 improvement bonuses, please refer to the Categories Charts or Reference Charts.

The improvement effects are unknown/unclear 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:

[math]\displaystyle{ \text{Bonus}_\text{stat} = \sum_{\text{All equips}} \text{Mod}_\text{equip} \sqrt{\bigstar} }[/math]
With
  • [math]\displaystyle{ \bigstar }[/math] the improvement level of the equipment.
  • [math]\displaystyle{ \text{Mod}_\text{equip} }[/math] the equipment modifier for that stat, described below:
Equipment Type Day Battle Night Battle ASW AA Fighter Power LoS Accuracy Evasion
Firepower Torpedo Ship Fleet Day Night[1] Torpedo ASW Shelling Torpedo
Main Guns (Very) Large
Large Caliber Main GunVery Large Caliber Main GunSp 		1.5 - 1 - - - - - 1 1.3 - - - -
Medium/Small (Red)
Medium Caliber Main GunSmall Caliber Main Gun 		1 - 1 - - - - - 1 1.3 - - - -
HA (Green)
Main High-Angle GunMain 		1 - 1 - 2[2]
3[3]		 2[2]
3[3]		 - - 1 1.3 - - - -
Secondary Guns 90 mm Single HA90mm Single High-angle Gun Mount
Secondary High-Angle GunSec 		1 - 1 - - - 1 1.3 - - - -
(Large) HA (Green)
Secondary High-Angle GunSec Large Secondary High-Angle GunSp_Sec 		Linear 0.2[4]
Linear 0.3[5]		 - Linear 0.2[4]
Linear 0.3[5]		 - - - 1 1.3 - - - -
Surface (Yellow)
Secondary Gun 		- - - - - - 1 1.3 - - - -
15.2 cm Single15.2cm Single Gun Mount & OTOOTO 152mm Triple Rapid Fire Gun Mount
Secondary Gun 		1 - 1 - - - - - 1 1.3 - - - -
Anti-Aircraft Fire Directors
Anti-Aircraft Fire Director 		1 - 1 - 2[2]
3[3]		 2[2]
3[3]		 - - 1 1.3 - - - -
Anti-Air Guns
Anti-Aircraft Gun 		1 1.2 - - 4[2]
6[3]		 - - - - - 2 - - -
Torpedoes
Torpedoes 		- 1.2 1 - - - - - - 1.3 2 - - -
Midget Submarines
Midget SubmarineMinisub 		- - 1 - - - - - - 1.3 - - - -
(Large) Carrier Recons/Large Flying Boats
Reconnaissance AircraftLarge Reconnaissance AircraftSpLarge Flying Boat 		- - - - - - - 1.2 - - - - - -
LB Recons
Land-based Reconnaissance AircraftLB 		- - - - - - - 1.2?[6] - - - - - -
Seaplanes
SeaplaneNight Reconnaissance Seaplane 		Recons - - - - - - - 1.2 - - - - - -
Bombers - - - - - - - 1.1 - - - - - -
Rotorcraft/Liaison Aircraft
RotorcraftLiaison Aircraft 		- - - Linear - - - - 1?[7] 1.3?[7] - - - -
Land Based Bombers Attackers/Assault/ASW/Heavy Bombers
Land-based Attack AircraftLand-based Assault AircraftLand-based Patrol AircraftLand-based Heavy Bomber 		- 0.7*both Torpedo Attack and Dive Bomber Attack[5] - - - - 0.5 - - - - - - -
Hayabusa bomberBomb-carrying Type 1 Fighter Hayabusa Model III Kai (65th Squadron)
Land-based Fighterbomber 		- 0.7*only against DD and Installation [6] - - - - - - - - - - -
Radars
RADAR 		- - - - - 0[8]
1.5[9]		 - 1.25[10]
1.4[11]		 1[12]
1.7[13]		 1.3[12]
1.6[13]		 - - - -
Depth Charges
Depth Charges 		0.75 - - 0.67 - - - - - - - - - -
T95 DCType 95 Depth Charge & T2/K2 DCType 2 Depth Charge
Type 2 Depth Charge Kai 2
Depth Charges 		- - - - - - - - - - - - -
Sonars
SONAR 		0.75 - - 0.67 - - - - - - - 1.3 - 1.5
Engine Improvements
Engine Improvement 		- - - - - - - - - - - - 1.5
Shells/Searchlights/Lookouts
Landing Equipment/Command Facilities
Anti-Aircraft ShellArmor-Piercing ShellSearchlightLookoutLanding CraftAmphibious VehicleLanding ForcesCommand Facility 		1 - 1 - - - - - 1 1.3 - - - -
Aviation Personnels/Anti-Ground Rockets
Smoke Generators
Aviation PersonnelAnti-Ground RocketSmoke Generator 		1 - 1 - - - - - 1?[7] 1.3?[7] - - - -
  1. ↑ [1]
  2. ↑ 2.0 2.1 2.2 2.3 2.4 For base Anti-Air AA ≤ 7
  3. ↑ 3.0 3.1 3.2 3.3 3.4 For base Anti-Air AA ≥ 8
  4. ↑ 4.0 4.1 For base Firepower FP ≤ 3
  5. ↑ 5.0 5.1 For base Firepower FP ≥ 5
  6. ↑ LoS might be affected like other recons, but it is not measurable, due to how LBAS work.
  7. ↑ 7.0 7.1 7.2 7.3 Unconfirmed yet
  8. ↑ For Surface Radars
  9. ↑ For Air Radars
  10. ↑ For Small Radars
  11. ↑ For (Very) Large Radars
  12. ↑ 12.0 12.1 For base Accuracy Acc ≤ 2
  13. ↑ 13.0 13.1 For base Accuracy Acc ≥ 3

Linear Bonus

Some bonuses have a linear growth. The bonus can be calculated by:

[math]\displaystyle{ \text{Bonus}_\text{stat} = \sum_{\text{All equips}} \text{Mod}_\text{equip} \times \bigstar }[/math]
With
  • [math]\displaystyle{ \bigstar }[/math] the improvement level of the equipment:
  • [math]\displaystyle{ \text{Mod}_\text{equip} }[/math] the equipment modifier for that stat, described below:
Equipment Type Fighter Power Dive Bomb Torpedo ASW Armor
Submarine Torpedoes
Submarine TorpedoesSub 		- - 0.2 - -
Fighters/SPF/LB Fighters
Fighter/Seaplane Fighter/Land-based FighterLand-based Fighter 		0.2 - - - -
Fighter-Bombers
Dive Bomber 		0.25 - - - -
Mod 64 Zero FBType 0 Fighter Model 64 (Two-seat w/ KMX)
Type 0 Fighter Model 64 (Skilled Fighter-bomber)
Dive Bomber 		- - 0.2 -
Dive Bombers (ex. FB)
Dive Bomber 		- 0.2 - -
Torpedo Bombers
Torpedo Bomber 		- - 0.2 -
Seaplane Bombers
Seaplane BomberBomber 		- 0.2 - - -
Rotorcraft
Rotorcraft 		- - - 0.2[1]
0.3[2]		 -
Liaison Aircraft
Liaison Aircraft[3] 		- - - 0.2[4]
0.3[5]		 -
Extra Armor
Armor 		Medium - - - - 0.2
Large - - - - 0.3
  1. ↑ For base Anti-Submarine Warfare ASW ≤ 10
  2. ↑ For base Anti-Submarine Warfare ASW ≥ 11
  3. ↑ [2][3]
  4. ↑ For base Anti-Submarine Warfare ASW ≤ 7
  5. ↑ For base Anti-Submarine Warfare ASW ≥ 8

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:

Equipment Type Anti-Installation Bonuses[1][2] Expedition Bonus
A1 C
Landing Craft
Landing Craft 		1 + (Average Improved /50) [1 + (Average Improved /50)]N[3] 1 + (Average Improved /100)[4]
Amphibious Vehicles
Amphibious Vehicle 		Ka-Mi tankSpecial Type 2 Amphibious Tank 1 + (Average Improved /30) 1 + (Average Improved /30)
Ka-Tsu tanksSpecial Type 4 Amphibious Tank
Special Type 4 Amphibious Tank Kai 		1 + (Average Improved /50) [1 + (Average Improved /50)]N[3]
Landing Forces
Landing Forces 		-
  1. ↑ The average stars are counted per ship on a per-category basis, with each 3 categories being counted separately.
  2. ↑ https://bbs.nga.cn/read.php?tid=39595977&rand=587
  3. ↑ 3.0 3.1 N = 1 for any Landing Craft/Ka-Tsu, +1 to N for each unique:
  4. ↑ Does not work for Type 3 Landing Tanks

Misc Bonuses

The following bonuses are part of bigger formulas:

Equipment Type Smoke
Trigger Rate 		Smoke Level Support Fleet
Trigger Rate
Smokes
Smoke Generator 		Smoke Generator (base)Smoke Generator (Smoke Screen) [math]\displaystyle{ \text{K} = +0.3 \times \bigstar }[/math] Increased[1] -
Smoke Generator (Kai)Smoke Generator Kai (Smoke Screen) [math]\displaystyle{ \text{K} = +0.5 \times \bigstar }[/math]
FCAFleet Communication Antenna
Command Facility 		- +2 %/Improved
for the 2nd roll[2]

It is confirmed that none of the usual stats, probably nothing at all, is given to the following equipment types[3]:

Equipment Type Effect
Submarine Equipments
Submarine Equipment 		"Nothing"
Combat Rations
Ration 		"Nothing"[4]
  1. ↑ 2 smokes at Max-Improved can trigger level 3 smoke[4]
  2. ↑ https://x.com/shiroos/status/1808545990217249165
  3. ↑ https://twitter.com/Divinity_123/status/1377666014834479104
  4. ↑ Morale gains might be affected.

Myths

The following have been confirmed to be negative.

Visible Fit Bonuses

The following equipment provide additional Visible Fit Bonuses to some ships when improved:

Type Equipment Notes
Large Caliber Main Gun 38cm Twin Gun Mount Kai38cm Twin Gun Mount Kai
35.6cm Triple Gun Mount Kai (Dazzle Camouflage)35.6cm Triple Gun Mount Kai (Dazzle Camouflage)
16inch Triple Gun Mount Mk.616inch Triple Gun Mount Mk.6
16inch Triple Gun Mount Mk.6 mod.216inch Triple Gun Mount Mk.6 mod.2
16inch Triple Gun Mount Mk.6 + GFCS16inch Triple Gun Mount Mk.6 + GFCS Not improvable
38cm Quadruple Gun Mount Kai Deux38cm Quadruple Gun Mount Kai Deux
35.6cm Twin Gun Mount Kai 3 (Dazzle Camouflage)35.6cm Twin Gun Mount Kai 3 (Dazzle Camouflage)
35.6cm Twin Gun Mount Kai 435.6cm Twin Gun Mount Kai 4 Not improvable
14inch/45 Twin Gun Mount14inch/45 Twin Gun Mount
14inch/45 Triple Gun Mount14inch/45 Triple Gun Mount
35.6cm Twin Gun Mount Kai 3 C35.6cm Twin Gun Mount Kai 3 C
Medium Caliber Main Gun SKC34 20.3cm Twin Gun MountSKC34 20.3cm Twin Gun Mount
14cm Twin Gun Mount Kai14cm Twin Gun Mount Kai
6inch Triple Rapid Fire Gun Mount Mk.166inch Triple Rapid Fire Gun Mount Mk.16
6inch Triple Rapid Fire Gun Mount Mk.16 mod.26inch Triple Rapid Fire Gun Mount Mk.16 mod.2
6inch Mk.XXIII Triple Gun Mount6inch Mk.XXIII Triple Gun Mount Not improvable
14cm Twin Gun Mount Kai 214cm Twin Gun Mount Kai 2
Prototype 20.3cm (No.4) Twin Gun MountPrototype 20.3cm (No.4) Twin Gun Mount
15.2cm Triple Main Gun Mount15.2cm Triple Main Gun Mount
15.2cm Triple Main Gun Mount Kai15.2cm Triple Main Gun Mount Kai Not improvable
Small Caliber Main Gun 12.7cm Single Gun Mount12.7cm Single Gun Mount
12.7cm Twin Gun Mount Model D Kai 212.7cm Twin Gun Mount Model D Kai 2
12.7cm Twin Gun Mount Model A Kai 212.7cm Twin Gun Mount Model A Kai 2
12.7cm Twin Gun Mount Model D Kai 312.7cm Twin Gun Mount Model D Kai 3 Not improvable
120mm/50 Twin Gun Mount Kai A.mod.1937120mm/50 Twin Gun Mount Kai A.mod.1937
12.7cm Twin Gun Mount Model C Kai 312.7cm Twin Gun Mount Model C Kai 3
12.7cm Twin Gun Mount Model C Kai 3 H12.7cm Twin Gun Mount Model C Kai 3 H
13.8cm Twin Gun Mount13.8cm Twin Gun Mount
13.8cm Twin Gun Mount Kai13.8cm Twin Gun Mount Kai Not improvable
Small Caliber Main High-Angle GunSmall 10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director
12.7cm Single High-angle Gun Mount (Late Model)12.7cm Single High-angle Gun Mount (Late Model)
Locally Modified 12.7cm Twin High-angle Gun MountLocally Modified 12.7cm Twin High-angle Gun Mount Not improvable
Locally Modified 10cm Twin High-angle Gun MountLocally Modified 10cm Twin High-angle Gun Mount Not improvable
12cm Single High-angle Gun Mount Model E Kai12cm Single High-angle Gun Mount Model E Kai
Secondary Gun 15.2cm Triple Gun Mount15.2cm Triple Gun Mount
Secondary High-Angle GunSec 12.7cm High-angle Gun + Anti-Aircraft Fire Director12.7cm High-angle Gun + Anti-Aircraft Fire Director
8cm High-angle Gun Kai + Additional Machine Guns8cm High-angle Gun Kai + Additional Machine Guns
10cm Twin High-angle Gun Mount Kai + Additional Machine Guns10cm Twin High-angle Gun Mount Kai + Additional Machine Guns
65mm/64 Single Rapid Fire Gun Mount Kai65mm/64 Single Rapid Fire Gun Mount Kai Not improvable
12cm Single High-angle Gun Mount + 25mm Machine Guns Additions12cm Single High-angle Gun Mount + 25mm Machine Guns Additions
Anti-Aircraft Gun 25mm Twin Autocannon Mount25mm Twin Autocannon Mount
25mm Triple Autocannon Mount25mm Triple Autocannon Mount
25mm Single Autocannon Mount25mm Single Autocannon Mount
25mm Triple Autocannon Mount (Concentrated Deployment)25mm Triple Autocannon Mount (Concentrated Deployment)
2cm Flakvierling 382cm Flakvierling 38
3.7cm FlaK M423.7cm FlaK M42 Not improvable
Torpedoes 53cm Twin Torpedo Mount53cm Twin Torpedo Mount Only as synergy
61cm Triple (Oxygen) Torpedo Mount Late Model61cm Triple (Oxygen) Torpedo Mount Late Model
61cm Quadruple (Oxygen) Torpedo Mount Late Model61cm Quadruple (Oxygen) Torpedo Mount Late Model
Submarine TorpedoesSub Late Model 53cm Bow Torpedo Mount (8 tubes)Late Model 53cm Bow Torpedo Mount (8 tubes)
Skilled Sonar Personnel + Late Model Bow Torpedo Mount (4 tubes)Skilled Sonar Personnel + Late Model Bow Torpedo Mount (4 tubes) Not improvable
Fighter Seafire Mk.III KaiSeafire Mk.III Kai Not improvable
Shiden Kai 4Shiden Kai 4
Type 0 Fighter Model 64 (Air Superiority Fighter Specification)Type 0 Fighter Model 64 (Air Superiority Fighter Specification)
Dive Bomber SBD-5SBD-5
SB2C-3SB2C-3
SB2C-5SB2C-5
Type 0 Fighter Model 64 (Two-seat w/ KMX)Type 0 Fighter Model 64 (Two-seat w/ KMX)
Type 0 Fighter Model 64 (Skilled Fighter-bomber)Type 0 Fighter Model 64 (Skilled Fighter-bomber)
SBD (Yellow Wings)SBD (Yellow Wings)
SBD VB-2 (Bomber Squadron)SBD VB-2 (Bomber Squadron)
Torpedo Bomber Barracuda Mk.IIBarracuda Mk.II
Barracuda Mk.IIIBarracuda Mk.III
TBD (Yellow Wings)TBD (Yellow Wings)
Reconnaissance Aircraft SaiunSaiun Not improvable
Type 2 Reconnaissance AircraftType 2 Reconnaissance Aircraft
Saiun (Eastern Caroline Air Group)Saiun (Eastern Caroline Air Group) Not improvable
Saiun (4th Recon Squad)Saiun (4th Recon Squad) Not improvable
Fulmar (Reconnaissance Fighter/Skilled)Fulmar (Reconnaissance Fighter/Skilled) Not improbable
SBD VS-2 (Reconnaissance Squadron)SBD VS-2 (Reconnaissance Squadron)
Large Reconnaissance AircraftSp Prototype Keiun (Carrier-based Reconnaissance Model)Prototype Keiun (Carrier-based Reconnaissance Model)
Reconnaissance SeaplaneRecon Ar196 KaiAr196 Kai
ShiunShiun
OS2UOS2U
SOC SeagullSOC Seagull
SOC Seagull Late Model (Skilled)SOC Seagull Late Model (Skilled)
SO3C Seamew KaiSO3C Seamew Kai Not improvable
Shiun (Skilled)Shiun (Skilled) Not improvable
Type 0 Small Reconnaissance SeaplaneType 0 Small Reconnaissance Seaplane Not improvable
Type 0 Small Reconnaissance Seaplane (Skilled)Type 0 Small Reconnaissance Seaplane (Skilled) Not improvable
Night Reconnaissance Seaplane Loire 130MLoire 130M
Loire 130M Kai (Skilled)Loire 130M Kai (Skilled) Not improvable
Seaplane Fighter Kyoufuu Kai 2Kyoufuu Kai 2
Liaison Aircraft Type 3 Command Liaison Aircraft KaiType 3 Command Liaison Aircraft Kai
Type 1 Fighter Hayabusa Model II Kai (20th Squadron)Type 1 Fighter Hayabusa Model II Kai (20th Squadron) Not improvable
Type 1 Fighter Hayabusa Model III Kai (Skilled/20th Squadron)Type 1 Fighter Hayabusa Model III Kai (Skilled/20th Squadron) Not improvable
Type 3 Command Liaison Aircraft Kai 2Type 3 Command Liaison Aircraft Kai 2
Depth Charges Type 2 Depth ChargeType 2 Depth Charge
Type 2 Depth Charge Kai 2Type 2 Depth Charge Kai 2
Small SONARSmall Type 3 Active Sonar KaiType 3 Active Sonar Kai
Large SONARLarge Type 0 Passive SonarType 0 Passive Sonar
Small RADARSmall Type 13 Air Radar Kai (Late Model)Type 13 Air Radar Kai (Late Model)
Passive Radiolocator (E27) + Type 22 Surface Radar Kai 4 (Calibrated Late Model)Passive Radiolocator (E27) + Type 22 Surface Radar Kai 4 (Calibrated Late Model)
Large RADARLarge FuMO25 RadarFuMO25 Radar
Type 21 Air Radar Kai 2Type 21 Air Radar Kai 2
Type 42 Air Radar Kai 2Type 42 Air Radar Kai 2
Type 281 RadarType 281 Radar Not improvable
Type 274 Fire Control RadarType 274 Fire Control Radar Not improvable
Submarine Equipment Late Model Radar & Passive Radiolocator + Snorkel EquipmentLate Model Radar & Passive Radiolocator + Snorkel Equipment Not improvable
Anti-Aircraft Shell Type 3 Shell KaiType 3 Shell Kai
Type 3 Shell Kai 2Type 3 Shell Kai 2
Lookout Torpedo Squadron Skilled LookoutsTorpedo Squadron Skilled Lookouts Not improvable
Engine Improvement New Model High Temperature High Pressure BoilerNew Model High Temperature High Pressure Boiler
Large ArmorLarge Pugliese Underwater Protection BulkheadPugliese Underwater Protection Bulkhead
New Kanhon Design Anti-torpedo Bulge (Large)New Kanhon Design Anti-torpedo Bulge (Large)
Aviation Personnel Skilled Deck Personnel + Aviation Maintenance HandsSkilled Deck Personnel + Aviation Maintenance Hands
Command Facility Fleet Communication AntennaFleet Communication Antenna
Amphibious Vehicle Special Type 4 Amphibious TankSpecial Type 4 Amphibious Tank Not improvable
Special Type 4 Amphibious Tank KaiSpecial Type 4 Amphibious Tank Kai Not improvable

Equipability

The following equipment have enhanced equipability when improved:

Resource Node Bonus

Uniquely on the Resource Nodes of 1-6 and 3-5, improvements Improved slightly increase resource gains.

Special Resource Nodes Gain Modifiers
Type 2
Equipment / Ship Bonus Gains (per DLC / Ship)[1]
Type Name 1-6 3-5
N G
Ammunition		 G
Improved[2] 		M
Fuel		 M
Improved[2] 		J
Ammunition		 J
Improved[2]
Landing Craft
Amphibious Vehicle 		A 1 Toku Daihatsu Landing CraftToku Daihatsu Landing Craft 0.0 6.00 0.3800? 12.00 0.?? 24.00 0.??
2 Ka-Tsu Tank KaiSpecial Type 4 Amphibious Tank Kai 5.50 0.?? 11.00 0.?? 22.00 0.2??
3 Daihatsu Landing CraftDaihatsu Landing Craft 5.00 0.0350? 10.00 0.?? 20.00 0.??
4 Ka-Tsu TankSpecial Type 4 Amphibious Tank 4.50 0.?? 9.00 0.?? 18.00 0.2??
5 Armed DaihatsuArmed Daihatsu 2,50 0.0720? 5.00 0.?? 10.00 0.??
6 DLC + T89 TankDaihatsu Landing Craft (Type 89 Medium Tank & Landing Force)
DLC + Panzer IIDaihatsu Landing Craft (Panzer II/North African Specification) 		1.50 0.0100? 3.00 0.?? 6.00 0.??
7 SoukouteiSoukoutei (Armored Boat Class)
Toku DLC + Ho-Ni TankToku Daihatsu Landing Craft + Type 1 Gun Tank 		1.10 0.0200? 2.20 0.?? 4.40 0.??
8 Ka-Mi TankSpecial Type 2 Amphibious Tank 0.75 0.0041? 1.50 0.?? 3.00 0.??
Drum Canister B DrumsDrum Canister (Transport Use) 0.0 N/A 0.0 N/A 10.0 N/A
Landing Craft C Toku DLC + 11th RegToku Daihatsu Landing Craft + 11th Tank Regiment
M4A1 DDM4A1 DD
Toku DLC + Panzer IIIToku Daihatsu Landing Craft + Panzer III (North African Specification)
Toku DLC + Chi-HaToku Daihatsu Landing Craft + Chi-Ha
Toku DLC + Chi-Ha KaiToku Daihatsu Landing Craft + Chi-Ha Kai
Toku DLC + Panzer III JToku Daihatsu Landing Craft + Panzer III Ausf. J 		0.0
Ship Kinu Kai NiKinu Kai Ni[3] 5.0 N/A 10.0 N/A 20.00 N/A
Other Ships 0.0 0.0 0.0
Resource Cap N/A 40 80 150
Random Resource Increments N/A 0 0 0
Star Bonus[2]
[math]\displaystyle{ \text{Bonus}_\text{Star} = \sum_\text{All Types} \text{N}_\text{Type}^2 \times \sqrt{\text{N}_\text{Star Type} } \times \text{Star Bonus}_\text{Type} }[/math]
With
  • [math]\displaystyle{ \text{Bonus}_\text{Star} }[/math] the total bonus resource gain bonus for the fleet,
  • [math]\displaystyle{ \text{N}_\text{Type} }[/math] the number of craft of a given type (A1 to A6),
  • [math]\displaystyle{ \text{N}_\text{Star Type} }[/math] the total number of stars on a given type,
  • [math]\displaystyle{ \text{Star Bonus}_\text{Type} }[/math] the bonus given by stars of each type.

Notes:

  1. ↑ If the total value has a decimal, only the rounded-down value is applied.
  2. ↑ 2.0 2.1 2.2 2.3 Exact values an behaviors still under investigation
  3. ↑ Those bonuses only appear if any type from A1 to A8 is equipped in the fleet.

Sources: [7] [8] [9] [10] [11]

Expeditions Bonus

For expedition stats requirements, improvements Improved are globally simplified, overwriting the above-mentioned improvements.

  • See here for more details

See Also

v · e
Game Mechanics
Ship Mechanics • Equipment Mechanics
General Combat
Combat Calcultaions
Remodels/Upgrades
Others
Other
Defunct Mechanics
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