Development
Introduction
Crafting requires 
resources and 
development materials (one dev. mat. is required for each attempt). The rarity and success rate depend on the resource recipe used and your flagship's class. Your flagship is the lead ship in your fleet marked #1.
Some equipment are not craftable, see list below.
Often you will fail to produce an item from a recipe, denoted by the penguin-in-a-box screen. In this case, the development material used will be refunded. Development materials can be found by completing quests, expeditions, and World 2-4.
Please Read This First
- The recipes presented here do not guarantee that you will get what you want.
- Percentage of success relates to: HQ Level, Secretary Ship Type, and amount of resources used.
- Page recipes should come from databases or external sites with at least hundreds of documented attempts. For your own personal lucky recipes and experiences, please use the comments section.
Development Theory
According to gathered data, equipment development follows a few patterns. Theoretically, the recipe for any piece of equipment is 10 times its scrap value. However, some specific equipment can only be built when the Secretary Ship can equip that equipment. Also, the resource you use the most of in a given attempt will increase the likelihood of related equipment types types: Ammo creates Weapons, Steel creates Engines, Bauxite creates Aircraft, Radar or Sonar.
Development recipes
Input material can be adjusted by one digit unit at the top and bottom of the frame that says the number in the "▼" button "▲".
NOTE: These recipes are the minimum required resource costs, condensed down to the most recommended equipment for ease of navigation and use. If you would like to see recipes for other items, please see List of development recipes by item. Yellow Highlighted recipes have large samples sizes and are more likely to have accurate data.
HQ level required: 20
HQ level Recommended: 30
Recommended Flagship: Armored Aircraft Carrier, Standard Aircraft Carrier
Surface Combat Equipment
HQ level required: 20
HQ level Recommended: 30
Recommended Flagship: Heavy Battleship, Battleship, Fast Battleship, Aviation Battleship
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Data | Note |
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| 10 | 300 | 250 | 10 | 1222 Data 5.6% 46cm gun |
Good Recipe for gathering 46cm gun, and 15.5cm Triple Gun (Yellow)
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| 10 | 251 | 250 | 10 | 5519 Data 3.7% 46cm gun |
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| 100 | 251 | 250 | 30 | 699 Data 3.9% 46cm gun |
Have chance produce  Engine
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| 10 | 90 | 90 | 30 | 2056 Data 1.7% 10cm High Angle gun |
no heavy artillery, focus on shell type weapon: Type 3 Shell Type 91 AP
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| 10 | 20 | 50 | 10 | 3134 Data 4.1% 10cm High Angle gun |
focus on 15.5cm Triple gun (Yellow)
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| 10 | 10 | 30 | 10 | 7354 Data 9.8% 10cm High Angle gun |
Secretary： DD or CL focus on  10cm High Angle gun
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Anti-submarine Warfare
HQ level required: 10
HQ level Recommended: 20
Recommended Flagship: Destroyer, Light Cruiser, Torpedo Cruiser, Submarine
Note that Submarine cannot equip Depth Charge
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Data | Note |
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| 10 | 10 | 10 | 20 | 8794 Data 2.0% Type 3 SONAR |
With 59.6% penguin, theoretically 3.4% chance to get Type 3 SONAR per
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| 10 | 10 | 10 | 11 | 314 Data 4.1% Type 93 SONAR |
Good for daily quests, with 86.9% chance to return your
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| 10 | 30 | 10 | 10 | 5707 Data 2.4% Type 3 Depth Charge |
With 61.2% penguin, theoretically 3.9% chance to get  Type 3 Depth Charge per
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| 10 | 30 | 10 | 31 | 7116 Data 2.1% Type 3 SONAR |
Use Shimakaze for higher chance of Type 3 Sonar (unconfirmed) |
| 10 | 50 | 10 | 51 | 1204 Data 2.2% Type 3 SONAR |
Increasing material will decrease the chance to get penguin |
RADAR
HQ level required: 20
HQ level Recommended: 30
Recommended Flagship: Battleship, Aviation Battleship, Aircraft Carrier
ENGINE
HQ level required: 20
HQ level Recommended: 30
Recommended Flagship: Battleship, Aviation Battleship, Aircraft Carrier
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Data | Note |
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| 100 | 10 | 200 | 10 | 788 Data 2.9% Enhanced Steam Boiler |
Focus on Only
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| 100 | 251 | 250 | 10 | 1491 Data 3.8% Enhanced Steam Boiler |
Flagship: Battleship more material to spent but have chance to obtain 46cm Triple Gun Mount
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Miscellaneous
Drum Canister
HQ level required: 10
HQ level Recommended: 20
Recommended Flagship: Destroyer, Light Cruiser
Drum Canister can be obtained from Weekly Quest F12
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Data | Note |
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| 10 | 10 | 10 | 10 | 9903 Data 4.2% Drum Canister |
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| 10 | 10 | 11 | 10 | 5089 Data 4.6% Drum Canister |
slightly higher chance to obtain Drum Canister
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| 10 | 10 | 30 | 10 | 7354 Data 9.8% 10cm High Angle gun |
have chance to obtain 10cm High Angle gun
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Equipment Currently not Craftable
List of equipment currently not craftable but obtainable as stock equipment from ships, or using Akashi's Improvement Arsenal upgrading from normally obtainable equipment. Note that some of these ships may be event-exclusive drop or reward, see Ships_currently_not_buildable.
| No | Name | Where to get |
|---|---|---|
| 048 | 12.7cm High-angle Mount | Yuubari(Lv35), Yayoi(Lv20) |
| 050 | 20.3cm(no.3) Twin Gun Mount | Mikuma(Lv30), Kinugasa(Lv55), Tone(Lv70+Blueprint), Chikuma(Lv70+Blueprint), Improvement Arsenal (from 20.3cm Twin Gun Mount) |
| 051 | 12cm 30-tube Rocket Launcher | Shoukaku(Lv30), Zuikaku(Lv25), Chitose(Lv35, Lv50), Chiyoda(Lv35, Lv50), Ryuuhou(Lv50+Blueprint), Unryuu(Lv1), Junyou(Lv80), Fusou(Lv80+Blueprint) |
| 058 | 61cm Quint (Oxygen) Torpedo Mount | Kitakami(Lv50), Ooi(Lv50), Kiso(Lv65), Improvement Arsenal (from 61cm Quad (Oxygen) Torpedo Mount) |
| 062 | Prototype Seiran | I-401(Lv35) |
| 063 | 12.7cm Twin Mount Type-B Kai 2 | Yuudachi(Lv55), Ayanami(Lv70), Harusame(Lv30), Hatsuharu(Lv65) |
| 065 | 15.2cm Naval Gun | Agano (Lv1, Lv35), Noshiro (Lv1, Lv35), Yahagi(Lv1, Lv35), Sakawa(Lv1), Ooyodo(Lv35) |
| 066 | 8cm Twin High-angle Mount | Agano (Lv1), Noshiro(Lv1), Yahagi(Lv1), Sakawa(Lv1) |
| 068 | Daihatsu-class Landing Craft | Akitsumaru(Lv1) |
| 069 | Ka-type Observation Autogyro | Akitsumaru(Lv35) |
| 070 | Type 3 Spotter/Liaison (ASW) | Akitsumaru(Lv35) |
| 071 | 10cm Twin High-angle Mount | Taihou(Lv40), Ooyodo(Lv1) |
| 074 | Searchlight | Jintsuu(Lv65), Kirishima(Lv75), Sendai(Lv60), Ayanami(Lv70), Yamashiro(Lv80+Blueprint), Furutaka(Lv65) |
| 076 | 38cm Twin Gun Mount | Bismarck(Lv1, Lv30, 50+Blueprint) |
| 077 | 15cm Twin Gun Mount | Bismarck(Lv1, Lv30) |
| 078 | 12.7cm Naval Gun | Z1(Lv1, Lv30, Lv70), Z3(Lv1, Lv30,Lv70) |
| 079 | Zuiun (634 Air Group) | Tone(Lv70+Blueprint), Chikuma(Lv70+Blueprint) |
| 080 | Zuiun Model 12 | Fusou(Lv80+Blueprint), Yamashiro(Lv80+Blueprint) |
| 082 | Type 97 Torpedo Bomber (931 Air Group) | Ryuuhou(Lv50+Blueprint) |
| 084 | 2cm Flakvierling 38 | Bismarck(Lv50+Blueprint), Z1(Lv70), Prinz Eugen(Lv45) |
| 085 | 3.7cm FlaK M42 | Bismarck(Lv50+Blueprint, Lv75+2*Blueprint), Z3(Lv70) |
| 086 | Ship Repair Facility | Akashi(Lv1, Lv35) |
| 087 | New High Pressure-Temperature Steam Boiler | Amatsukaze(Lv20) |
| 090 | 20.3cm(no.2) Twin Gun Mount | Haguro(Lv65ｘ2), Myoukou(Lv70ｘ2), Furutaka(Lv65ｘ2), Ashigara(Lv65ｘ3) |
| 091 | 12.7cm Twin High-Angle Mount (Late Model) | Urakaze(Lv35), Tokitsukaze(Lv30), Isokaze(Lv45), Asagumo(Lv35), Nowaki(Lv35), Yamagumo(Lv35) |
| 092 | HI-type 40mm Twin Machine Gun | Taigei(Lv1), Harusame(Lv1) |
| 093 | Type 97 Torpedo Bomber (Tomonaga Squadron) | Hiryuu(Lv77) |
| 096 | Type 21 Zero Fighter (Skilled) | Hiryuu(Lv77), Souryuu(Lv78) |
| 097 | Type 99 Dive Bomber (Skilled) | Hiryuu(Lv77) |
| 098 | Type 97 Torpedo Bomber (Skilled) | Souryuu(Lv78) |
| 099 | Type 99 Dive Bomber (Egusa Squadron) | Souryuu(Lv78) |
| 101 | Star Shell | Sendai(Lv60), Ayanami(Lv70) |
| 102 | Type 98 Recon Seaplane (Night Scout) | Sendai(Lv60) |
| 103 | Prototype 35.6cm Triple Gun Mount | Improvement Arsenal(from 35.6cm Twin Gun Mount) |
| 104 | 35.6cm Twin Gun Mount (Dazzle Camouflage) | Haruna(Lv80ｘ2) |
| 105 | Prototype 41cm Triple Cannon | Fusou(Lv80+Blueprint), Yamashiro(Lv80+Blueprint) |
| 106 | Type 13 AIR RADAR Kai | Ooyodo(Lv35), Isokaze(Lv45), Junyou(Lv80), Hatsuharu(Lv65), Akizuki(Lv40) |
| 107 | Fleet Command Facility | Ooyodo(Lv35) |
| 109 | Zero Fighter Type 52 Type C (601 Air Group) | Unryuu(Lv50+Blueprint) |
| 111 | Suisei (601 Air Group) | Unryuu(Lv50+Blueprint) |
| 112 | Tenzan (601 Air Group) | Unryuu(Lv50+Blueprint) |
| 114 | 38cm Twin Gun Mount Kai | Bismarck(Lv75+2*Blueprint ｘ2) |
| 115 | Ar196 Kai | Bismarck(Lv75+2*Blueprint), Prinz Eugen(Lv1) |
| 119 | 14cm Twin Gun Mount | Improvement Arsenal(from 14cm Naval Gun) |
| 122 | 10cm Twin High-angle Mount + Anti-Aircraft Fire Director | Akizuki(Lv1, Lv40), Improvement Arsenal (from Type 94 Anti-Aircraft Fire Director) |
| 123 | SKC34 20.3cm Twin Cannon | Prinz Eugen(Lv1, Lv45) |
| 124 | FuMO25 Radar | Prinz Eugen(Lv45) |
| No | Name | Where to get |