Kancolle Wiki

Difference between revisions of "Improvement"
 
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The improvement effects are unknown for some equipment types/cases.
 
The improvement effects are unknown for some equipment types/cases.
  
−
===Square Rooted Bonus===
+
==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"
 
{|style="padding:10px; margin:20px; border:1px solid orange; border-radius:10px"
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{{Clear}}
 
{{Clear}}
  
−
===Linear Bonus===
+
==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"
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{{Clear}}
 
{{Clear}}
  
−
===Averaged 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.
 
The average is counted using all craft on the ship for anti-installation, and all "working" craft in the fleet for expeditions.
  
Line 252: Line 259:
 
{{Clear}}
 
{{Clear}}
  
−
===Misc Bonuses===
+
==Misc Bonuses==
 
Other bonuses observed in the game.
 
Other bonuses observed in the game.
 
*''See [[Smoke Generator]]s for more details,
 
*''See [[Smoke Generator]]s for more details,
Line 282: Line 289:
 
** 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}}.
  
−
====Resource Node Bonus====
+
===Myths===
−
Uniquely on the [[Resource Node]]s of [[1-6]] and [[3-5]], improvements {{Star}} slightly increase resource gains.
 
−
{{Gain Modifier Sp2}}
 
−
 
 
−
====Myths====
 
 
The following have been confirmed to be negative.
 
The following have been confirmed to be negative.
 
*{{Star}} on {{Searchlight}} [[Searchlights]] do NOT increase:
 
*{{Star}} on {{Searchlight}} [[Searchlights]] do NOT increase:
Line 294: Line 297:
 
*{{Star}} on {{SubmarineRadar}} [[Submarine Equipment]]s do NOT increase [[Night Cut-In]] rate.
 
*{{Star}} on {{SubmarineRadar}} [[Submarine Equipment]]s do NOT increase [[Night Cut-In]] rate.
  
−
===Expeditions Bonus===
+
==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=10|{{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}}
 +
|
 +
|-
 +
!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}}
 +
|Not improvable
 +
|-
 +
!{{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=2|{{AA Gun}}
 +
|{{EquipmentLink|2cm Flakvierling 38}}
 +
|
 +
|-
 +
|{{EquipmentLink|3.7cm FlaK M42}}
 +
|Not improvable
 +
|-
 +
!rowspan=3|{{TorpedoWeapon}}
 +
|{{EquipmentLink|53cm Twin Torpedo Mount}}
 +
|
 +
|-
 +
|{{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}}
 +
|Not improvable
 +
|-
 +
|{{EquipmentLink|SB2C-5}}
 +
|Not improvable
 +
|-
 +
|{{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}}
 +
|
 +
|-
 +
!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:
 +
*{{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}}
 +
*{{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.
 
For expedition stats requirements, improvements {{Star}} are globally simplified, overwriting the above-mentioned improvements.
 
*''See [[Expeditions#Adjusted Improvement|here]] for more details
 
*''See [[Expeditions#Adjusted Improvement|here]] for more details

Latest revision as of 16:37, 1 May 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 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 Improvement material are notably used for improvements.

  • 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.
  • For a comprehensive list of improvements, please refer to Akashi-List or the List of Improvements.

Overview

  1. Improvement levels are displayed beside equipment names.
    • They run from  +1 to   (+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.
    • Some improvements on equipment can add some additional visible Fit Bonuses.
      • This works on an equipment-to-equipment and ship-to-ship basis with no general rule.
  3. Equipped equipment cannot be improved.
    • There is an option to unequip the equipment from the improvement list.
  4. Equipment must be unlocked in order to be upgraded to a better version.
  5. Improvements have a chance to fail. Please see below.
    • Materials (  ) and any fodder equipment are still lost on failure.
    • 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  +6 and beyond.
    • Akashi Kai has a higher success rate than her base version.
  6. Improved equipment cannot be used as fodder.
  7. Certain conversion quests like F13, F14, F15, F19, Fm1, and F24 to F30, that do not require improved equipment, will carry over any   to the upgraded equipment.
  8. Certain conversion quests like F62, F89, F70, and F107, allow to use improved equipment, but any   are lost during conversion.

Improvement Success Rates

Akashi's level does not affect improvement rates. However, her remodel status does. It is highly recommended that she be remodeled to Kai as soon as possible, to maximize improvement success rates. The data below is sourced from KanColle Kai.

Modification Level 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★ Upgrade
Akashi 100% 100% 100% 100% 95% 90% 80% 77% 72% 60% 50%
Akashi Kai 100% 100% 100% 100% 100% 95% 90% 82% 77% 67% 62%

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 the use as base decimals and 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 improvment bonuses, please refer to the Categories Charts or 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:

[math]\displaystyle{ \text{Bonus}_\text{stat} = \sum_{\text{All equips}} \text{Mod}_\text{equip} \sqrt{\bigstar} }[/math]
With
  • [math]\displaystyle{ \bigstar }[/math] is the improvement level of the equipment.
  • [math]\displaystyle{ \text{Mod}_\text{equip} }[/math] is the equipment modifier for that stat. Please refer to the table below for details.
Equipment Type Day Battle Night Battle ASW AA Fighter Power LoS Accuracy[1] Evasion
Firepower Torpedo Ship Fleet Day Night Torpedo ASW Shelling Torpedo
Main Guns (Very) Large
  Sp 		1.5 - 1 - - - - - 1 1.3 - - - -
Medium/Small (Red)
   		1 - 1 - - - - - 1 1.3 - - - -
HA (Green)
 Main 		1 - 1 - 2[2]
3[3]		 2[2]
3[3]		 - - 1 1.3 - - - -
Secondary Guns 90 mm Single HA 
 Sec 		1 - 1 - - - 1 1.3 - - - -
(Large) HA (Green)
 Sec  Sp_Sec 		Linear 0.2[4]
Linear 0.3[5]		 - Linear 0.2[4]
Linear 0.3[5]		 - - - 1 1.3 - - - -
Surface (Yellow)
  		- - - - - - 1 1.3 - - - -
15.2 cm Single  & OTO 
  		1 - 1 - - - - - 1 1.3 - - - -
Anti-Aircraft Fire Directors
  		1 - 1 - 2[2]
3[3]		 2[2]
3[3]		 - - 1 1.3 - - - -
Anti-Air Guns
  		1 1.2 - - 4[2]
6[3]		 - - - - - 2 - - -
Torpedoes
  		- 1.2 1 - - - - - - 1.3 2 - - -
Midget Submarines
 Minisub 		- - 1 - - - - - - 1.3 - - - -
(Large) Carrier Recons/Large Flying Boats
  Sp  		- - - - - - - 1.2 - - - - - -
LB Recons
 LB 		- - - - - - - 1.2?[6] - - - - - -
Seaplanes
   		Recons - - - - - - - 1.2 - - - - - -
Bombers - - - - - - - 1.1 - - - - - -
Rotorcraft/Liaison Aircraft
   		- - - Linear - - - - 1?[7] 1.3?[7] - - - -
Land Based Bombers Attackers/Assault/ASW/Heavy Bombers
     		- 0.7*both   and  [5] - - - - 0.5 - - - - - - -
Hayabusa bomber 
 bomber 		- 0.7*only against DD and Installation [6] - - - - - - - - - - -
Radars
  		- - - - - 0[8]
1.5[9]		 - 1.25[10]
1.4[11]		 1[12]
1.7[13]		 1.3[14]
1.6[15]		 - - - -
Depth Charges
  		0.75 - - 0.67 - - - - - - - - - -
T95 DC  & T2/K2 DC 
 
  		- - - - - - - - - - - - -
Sonars
  		0.75 - - 0.67 - - - - - - - 1.3 - 1.5
Engine Improvements
  		- - - - - - - - - - - - 1.5
Shells/Searchlights/Lookouts
Landing Equipment/Command Facilities
         		1 - 1 - - - - - 1 1.3 - - - -
Aviation Personnels/Anti-Ground Rockets
Smoke Generators
    		1 - 1 - - - - - 1?[7] 1.3?[7] - - - -
  1. ↑ [1]
  2. ↑ 2.0 2.1 2.2 2.3 2.4 For base   AA ≤ 7
  3. ↑ 3.0 3.1 3.2 3.3 3.4 For base   AA ≥ 8
  4. ↑ 4.0 4.1 For base   FP ≤ 3
  5. ↑ 5.0 5.1 For base   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. ↑ For pure Surface Radars & Large Dual Purpose Radars
  13. ↑ For pure Air Radars & Small Dual Purpose Radars
  14. ↑ For base   Acc ≤ 2
  15. ↑ For base   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] is the improvement level of the equipment.
  • [math]\displaystyle{ \text{Mod}_\text{equip} }[/math] is the equipment modifier for that stat. Please refer to the table below for details.
Equipment Type Fighter Power Dive Bomb Torpedo ASW Armor
Submarine Torpedoes
 Sub 		- - 0.2 - -
Fighters
  		0.2 - - - -
Seaplane Fighters
  		- - - -
LB Fighters
   		- - - -
Fighter-Bombers
  		0.25 - - - -
Mod 64 Zero FB 
 
  		- - 0.2 -
Dive Bombers (ex. FB)
  		- 0.2 - -
Torpedo Bombers
  		- - 0.2 -
Seaplane Bombers
  		- 0.2 - - -
Rotorcraft
  		- - - 0.2[1]
0.3[2]		 -
Liaison Aircraft
 [3] 		- - - 0.2[4]
0.3[5]		 -
Extra Armor
  		Medium - - - - 0.2
Large - - - - 0.3
  1. ↑ For base   ASW ≤ 10
  2. ↑ For base   ASW ≥ 11
  3. ↑ [2][3]
  4. ↑ For base   ASW ≤ 7
  5. ↑ For base   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
  		1 + (Average   /50) [1 + (Average   /50)]N[3] 1 + (Average   /100)[4]
Amphibious Vehicles
  		Ka-Mi tank  1 + (Average   /30) 1 + (Average   /30)
Ka-Tsu tanks 
  		1 + (Average   /50) [1 + (Average   /50)]N[3]
Landing Forces
  		Unknown yet -
  1. ↑ The average stars are counted 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

Other bonuses observed in the game.

Equipment Type Smoke Trigger Rate Smoke Level
Smoke Generators
  		Increased[1] Increased[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
  		"Nothing"
Combat Rations
  		"Nothing"[4]
  1. ↑ https://discord.com/channels/118339803660943369/178613137430282240/1160847799106158662
  2. ↑ 2 smokes at   can trigger level 3 smoke[4]
  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
  38cm Twin Gun Mount Kai 
35.6cm Triple Gun Mount Kai (Dazzle Camouflage) 
16inch Triple Gun Mount Mk.6 
16inch Triple Gun Mount Mk.6 mod.2 
16inch Triple Gun Mount Mk.6 + GFCS  Not improvable
38cm Quadruple Gun Mount Kai Deux 
35.6cm Twin Gun Mount Kai 3 (Dazzle Camouflage) 
35.6cm Twin Gun Mount Kai 4  Not improvable
14inch/45 Twin Gun Mount 
14inch/45 Triple Gun Mount 
  SKC34 20.3cm Twin Gun Mount 
14cm Twin Gun Mount Kai 
6inch Triple Rapid Fire Gun Mount Mk.16  Not improvable
6inch Triple Rapid Fire Gun Mount Mk.16 mod.2  Not improvable
6inch Mk.XXIII Triple Gun Mount  Not improvable
14cm Twin Gun Mount Kai 2 
Prototype 20.3cm (No.4) Twin Gun Mount 
  12.7cm Single Gun Mount 
12.7cm Twin Gun Mount Model D Kai 2 
12.7cm Twin Gun Mount Model A Kai 2 
12.7cm Twin Gun Mount Model D Kai 3  Not improvable
120mm/50 Twin Gun Mount Kai A.mod.1937 
12.7cm Twin Gun Mount Model C Kai 3 
12.7cm Twin Gun Mount Model C Kai 3 H 
 Small 10cm Twin High-angle Gun Mount + Anti-Aircraft Fire Director 
12.7cm Single High-angle Gun Mount (Late Model) 
Locally Modified 12.7cm Twin High-angle Gun Mount  Not improvable
Locally Modified 10cm Twin High-angle Gun Mount  Not improvable
12cm Single High-angle Gun Mount Model E Kai  Not improvable
  15.2cm Triple Gun Mount 
 Sec 8cm High-angle Gun Kai + Additional Machine Guns 
10cm Twin High-angle Gun Mount Kai + Additional Machine Guns 
65mm/64 Single Rapid Fire Gun Mount Kai  Not improvable
12cm Single High-angle Gun Mount + 25mm Machine Guns Additions 
  2cm Flakvierling 38 
3.7cm FlaK M42  Not improvable
  53cm Twin Torpedo Mount 
61cm Triple (Oxygen) Torpedo Mount Late Model 
61cm Quadruple (Oxygen) Torpedo Mount Late Model 
 Sub Late Model 53cm Bow Torpedo Mount (8 tubes) 
Skilled Sonar Personnel + Late Model Bow Torpedo Mount (4 tubes)  Not improvable
  Seafire Mk.III Kai  Not improvable
Shiden Kai 4 
Type 0 Fighter Model 64 (Air Superiority Fighter Specification) 
  SBD-5 
SB2C-3  Not improvable
SB2C-5  Not improvable
Type 0 Fighter Model 64 (Two-seat w/ KMX) 
Type 0 Fighter Model 64 (Skilled Fighter-bomber) 
  Barracuda Mk.II 
Barracuda Mk.III 
  Saiun  Not improvable
Type 2 Reconnaissance Aircraft 
Saiun (Eastern Caroline Air Group)  Not improvable
Saiun (4th Recon Squad)  Not improvable
Fulmar (Reconnaissance Fighter/Skilled)  Not improbable
 Sp Prototype Keiun (Carrier-based Reconnaissance Model) 
 Recon Ar196 Kai 
Shiun 
OS2U 
SOC Seagull 
SO3C Seamew Kai  Not improvable
Shiun (Skilled)  Not improvable
Type 0 Small Reconnaissance Seaplane  Not improvable
Type 0 Small Reconnaissance Seaplane (Skilled)  Not improvable
  Loire 130M 
  Kyoufuu Kai 2 
  Type 3 Command Liaison Aircraft Kai 
Type 1 Fighter Hayabusa Model II Kai (20th Squadron)  Not improvable
Type 1 Fighter Hayabusa Model III Kai (Skilled/20th Squadron)  Not improvable
  Type 2 Depth Charge 
Type 2 Depth Charge Kai 2 
 Small Type 3 Active Sonar Kai 
 Large Type 0 Passive Sonar 
 Small Type 13 Air Radar Kai (Late Model) 
Passive Radiolocator (E27) + Type 22 Surface Radar Kai 4 (Calibrated Late Model) 
 Large FuMO25 Radar 
Type 21 Air Radar Kai 2 
Type 42 Air Radar Kai 2  Not improvable
Type 281 Radar  Not improvable
Type 274 Fire Control Radar  Not improvable
  Late Model Radar & Passive Radiolocator + Snorkel Equipment  Not improvable
  Type 3 Shell Kai 
Type 3 Shell Kai 2 
  Torpedo Squadron Skilled Lookouts  Not improvable
  New Model High Temperature High Pressure Boiler 
 Large Pugliese Underwater Protection Bulkhead 
New Kanhon Design Anti-torpedo Bulge (Large) 
  Skilled Deck Personnel + Aviation Maintenance Hands 
  Special Type 4 Amphibious Tank  Not improvable
Special 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   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
 		 G
 [2] 		M
 		 M
 [2] 		J
 		 J
 [2]
 
  		A 1 Toku Daihatsu Landing Craft  0.0 6.00 0.3800? 12.00 0.?? 24.00 0.??
2 Ka-Tsu Tank Kai  5.50 0.?? 11.00 0.?? 22.00 0.2??
3 Daihatsu Landing Craft  5.00 0.0350? 10.00 0.?? 20.00 0.??
4 Ka-Tsu Tank  4.50 0.?? 9.00 0.?? 18.00 0.2??
5 Armed Daihatsu  2,50 0.0720? 5.00 0.?? 10.00 0.??
6 DLC + T89 Tank 
DLC + Panzer II  		1.50 0.0100? 3.00 0.?? 6.00 0.??
7 Soukoutei 
Toku DLC + Ho-Ni Tank  		1.10 0.0200? 2.20 0.?? 4.40 0.??
8 Ka-Mi Tank  0.75 0.0041? 1.50 0.?? 3.00 0.??
  B Drums  0.0 N/A 0.0 N/A 10.0 N/A
  C Toku DLC + 11th Reg 
M4A1 DD 
Toku DLC + Panzer III 
Toku DLC + Chi-Ha 
Toku DLC + Chi-Ha Kai 
Toku DLC + Panzer III J  		0.0
Ship Kinu 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 A7 is equipped in the fleet.

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

Expeditions Bonus

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

  • See here for more details

See Also

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