Development

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Introduction

Development 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 secretary ship's class. Your secretary ship is the lead ship in your first fleet marked #1.

Some equipment is 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 earned 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.

• Some specific equipment can only be developed when the Secretary Ship is of the correct ship class (not necessarily one that can equip it).
• When developing equipment, the resource(s) you choose to spend the most determines which crafting table the game pulls the result from. If there's a tie, Fuel/Steel (same table) has the highest priority, followed by the Ammo table, and then lastly the Bauxite table.
  • For example, Type 0 Observation Seaplane has a theoretical development value of 10 Fuel / 10 Ammo / 20 Bauxite, so in theory it could be created by the 10/10/10/20 recipe. However, Type 0 Observation Seaplane can only be crafted from the Fuel/Steel table, so the recipe that uses the least resource while still capable of developing Type 0 Observation Seaplane is either 20/10/10/20 or 10/10/20/20 (both can be used).

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.

Naval Aircraft

HQ level required: 20
HQ level Recommended: 30
Recommended Flagship: Armored Aircraft Carrier, Standard Aircraft Carrier

				Data	Note
20	60	10	110	6962 Data 2.6% Reppuu (Strong Gale) 2.1% Shiden Kai 2 (Violet Lightning) 4.4% Ryuusei (Shooting Star) 2.3% Ryuusei Kai (Shooting Star) 3.9% Saiun (Iridescent Cloud) 2.6% Suisei (Comet) M12A 2.8% Type 62 Zero F/B (4381 Data)	All Model, except Observation Seaplane, Type 2 Recon Aircraft)
20	60	10	111	1306 Data 1.8% Reppuu (Strong Gale) 1.5% Shiden Kai 2 (Violet Lightning) 4.4% Ryuusei (Shooting Star) 2.9% Ryuusei Kai (Shooting Star) 4.1% Saiun (Iridescent Cloud) 2.7% Suisei (Comet) M12A 1.4% Type 62 Zero F/B (417 Data)	Increasing will increase the chance to get better result
20	60	10	100	Less than 5% 2Sホロ (Holo S), less than 9% ホロ (Holo), About 33% レア(Rare). 12363 Data 2.5% Reppuu (Strong Gale) 1.9% Shiden Kai 2 (Violet Lightning) 4.0% Ryuusei (Shooting Star) 2.3% Ryuusei Kai (Shooting Star) 0.1% Saiun (Iridescent Cloud) 2.2% Suisei (Comet) M12A 2.3% Type 62 Zero F/B (7451 Data)	nearly do not appear with 100
20	90	60	100	1088 Data 2.3% Reppuu (Strong Gale) 2.5% Shiden Kai 2 (Violet Lightning) 4.2% Ryuusei (Shooting Star) 1.9% Ryuusei Kai (Shooting Star) 2.0% Suisei (Comet) M12A 2.9% Type 62 Zero F/B(522 Data) 5.5% Type 3 Shell	Have a chance to create Type 3 Shell
20	30	10	90	2324 Data 2.1% Reppuu (Strong Gale) 1.8% Shiden Kai 2 (Violet Lightning) 2.1% Suisei (Comet) M12A 3.2% Type 62 Zero F/B(1825 Data)	Focus on and type recipe
20	30	10	40	3406 Data 2.1% Suisei (Comet) M12A 1.7% Type 62 Zero F/B(2686 Data)	Focus on type recipe
20	20	10	90	2023 Data 2.3% Reppuu (Strong Gale) 2.0% Shiden Kai 2 (Violet Lightning)	Focus on type recipe
50	60	30	120	1751 Data 2.5% Reppuu (Strong Gale) 2.2% Shiden Kai 2 (Violet Lightning) 4.4% Ryuusei (Shooting Star) 2.6% Ryuusei Kai (Shooting Star) 4.1% Saiun (Iridescent Cloud) 3.0% Suisei (Comet) M12A 2.2% Type 62 Zero F/B(895 data)	Get all model; it's posible to get Type 2 Recon Aircraft if input is 130
10	10	20	20	2.2% Observation Seaplane (10780 Data)	Stock equipment of Yamato and Musashi
20		10		2.1% Observation Seaplane (6989 Data)
30	20	10	130	654 Data 1.8% Reppuu (Strong Gale) 2.0% Shiden Kai 2 (Violet Lightning) 2.9% Saiun (Iridescent Cloud) 1.2% Type 2 Recon Aircraft	Standard recipe for Type 2 Recon Aircraft
30	60	10	130	722 Data 2.8% Reppuu (Strong Gale) 2.6% Shiden Kai 2 (Violet Lightning) 3.5% Ryuusei (Shooting Star) 1.8% Ryuusei Kai (Shooting Star) 4.6% Saiun (Iridescent Cloud) 2.6% Type 2 Recon Aircraft 1.8% Suisei (Comet) M12A 2.2% Type 62 Zero F/B	Advanced recipe for Type 2 Recon Aircraft, also chance to get all type of aircraft had a chance for type 3 Sonar

Surface Combat Equipment

HQ level required: 20
HQ level Recommended: 30
Recommended Flagship: Heavy Battleship, Battleship, Fast Battleship, Aviation Battleship

				Data	Note
10	300	250	10	1222 Data 5.6% 46cm gun 5.2% 15.5cm Triple gun (Yellow) 2.2% Type 91 AP 2.2% Type A Ko-hyoteki	Good Recipe for gathering 46cm gun, and 15.5cm Triple Gun (Yellow)
10	251	250	10	5519 Data 3.7% 46cm gun 3.3% 15.5cm Triple gun (Yellow) 2.1% Type 91 AP 1.9% Type A Ko-hyoteki
100	251	250	30	699 Data 3.9% 46cm gun 1.4% 15.5cm Triple gun (Yellow) 2.2% Type 91 AP 3.3% Type 3 Shell 4.0% Enhanced Steam Boiler 3.0% Improved Steam Turbine	Have chance produce Engine
10	90	90	30	2056 Data 1.7% 10cm High Angle gun 3.7% 15.5cm Triple gun (Yellow) 7.4% Type 3 Shell 4.7% Type 91 AP	no heavy artillery, focus on shell type weapon: Type 3 Shell Type 91 AP
10	20	50	10	3134 Data 4.1% 10cm High Angle gun 3.1% 15.5cm Triple gun (Yellow) 1.2% Drum Canister(1637 Data) 36.5% Penguin	focus on 15.5cm Triple gun (Yellow)
10	10	30	10	7354 Data 9.8% 10cm High Angle gun 3.9% Drum Canister (5902 Data) 52.3% Penguin	Secretary： DD or CL focus on 10cm High Angle gun

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

				Data	Note
10	10	10	20	8794 Data 2.0% Type 3 SONAR 5.2% Type 93 SONAR 59.6% Penguin	With 59.6% penguin, theoretically 3.4% chance to get Type 3 SONAR per
10	10	10	11	314 Data 4.1% Type 93 SONAR 86.9% Penguin	Good for daily quests, with 86.9% chance to return your
10	30	10	10	5707 Data 2.4% Type 3 Depth Charge 11.5% Type 94 Depth Charge 61.2% Penguin	With 61.2% penguin, theoretically 3.9% chance to get Type 3 Depth Charge per
10	30	10	31	7116 Data 2.1% Type 3 SONAR 6.2% Type 93 SONAR 2.1% Type 3 Depth Charge 9.9% Type 94 Depth Charge 36.2% Penguin	Use Shimakaze for higher chance of Type 3 Sonar (unconfirmed)
10	50	10	51	1204 Data 2.2% Type 3 SONAR 6.3% Type 93 SONAR 1.8% Type 3 Depth Charge 9.0% Type 94 Depth Charge 2.6% 25mm Triple Autocannon Mount 33.6% Penguin	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

				Data	Note
10	10	250	250	1997 Data 1.6% (S) Type 13 Air RADAR 0.2% (S) Type 22 Surface RADAR 2.3% (S) Type 33 Surface RADAR 2.0% (L) Type 21 Air RADAR 2.2% (L) Type 14 Air RADAR 2.0% (L) Type 32 Surface RADAR 1.8% 10cm High Angle gun
10	11	251	250	9525 Data 2.0% (S) Type 13 Air RADAR 0.3% (S) Type 22 Surface RADAR 2.2% (S) Type 33 Surface RADAR 1.8% (L) Type 21 Air RADAR 2.2% (L) Type 14 Air RADAR 2.4% (L) Type 32 Surface RADAR 2.1% 10cm High Angle gun 0.4% Type 0 Observation Seaplane (3964 Data)
20	20	250	250	2573 Data 1.6% (S) Type 13 Air RADAR 2.1% (S) Type 22 Surface RADAR 1.9% (S) Type 33 Surface RADAR 2.1% (L) Type 21 Air RADAR 2.3% (L) Type 14 Air RADAR 2.4% (L) Type 32 Surface RADAR 6.6% 10cm High Angle gun 0.2% 15.5cm gun (Yellow) 0.4% Reppuu (Strong Gale) 2.7% Observation Seaplane(2192 Data)	Flagship: Aircraft Carrier Holo chance slightly decrease have chance obtain: Reppuu (Strong Gale), and Observation Seaplane
10	251	250	150	306 Data 3.6% 46cm gun 2.3% Type 22 Surface RADAR 1.0% Type 33 Surface RADAR	Flagship: Battleship no Air have chance to obtain 46cm Triple Gun Mount

ENGINE

HQ level required: 20
HQ level Recommended: 30
Recommended Flagship: Battleship, Aviation Battleship, Aircraft Carrier

				Data	Note
100	10	200	10	788 Data 2.9% Enhanced Steam Boiler 4.1% Improved Steam Turbine 2.9% 10cm High Angle gun	Focus on Only
100	251	250	10	1491 Data 3.8% Enhanced Steam Boiler 4.1% Improved Steam Turbine 4.6% 46cm gun 3.9% 15.5cm gun (Yellow) 1.6% Type 91 AP 2.6% Type A Ko-hyoteki	Flagship: Battleship More expensive, but can yield 46cm Triple Gun Mount

Miscellaneous

Drum Canister

HQ level required: None
HQ level Recommended: 20
Recommended Flagship: Destroyer, Light Cruiser
Drum Canister can be obtained from Weekly Quest F12

				Data	Note
10	10	10	10	9903 Data 4.2% Drum Canister 69.9% Penguin
10	10	11	10	5089 Data 4.6% Drum Canister 70.7% Penguin	slightly higher chance to obtain Drum Canister
10	10	30	10	7354 Data 9.8% 10cm High Angle gun 3.9% Drum Canister 52.3% Penguin	have chance to obtain 10cm High Angle gun

Equipment currently not craftable

List of equipment currently not craftable but is obtainable as stock equipment from at least one ship. Note that some of these ships may be event-exclusive drop or reward, see Ships currently not buildable.

No	Name	How to get
048	12.7cm High-angle Mount	Yuubari (Lv25), 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(no.2) 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), Amagi (Lv50+Blueprint), Katsuragi (Lv50+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), Improvement Arsenal (from 12.7cm Twin Gun Mount)
068	Daihatsu-class Landing Craft	Akitsumaru (Lv1)
069	Ka-type Observation Autogyro	Akitsumaru (Lv25)
070	Type 3 Spotter/Liaison (ASW)	Akitsumaru (Lv25)
071	10cm Twin High-angle Carriage Mount	Taihou (Lv40), Ooyodo (Lv1)
074	Searchlight	Jintsuu (Lv65), Kirishima (Lv75), Sendai (Lv60), Ayanami (Lv70), Yamashiro (Lv80+Blueprint), Furutaka (Lv65), Choukai (Lv65+Blueprint)
076	38cm Twin Gun Mount	Bismarck (Lv1, Lv30, Lv50+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), Quests D10, D12
080	Zuiun Model 12	Fusou (Lv80+Blueprint), Yamashiro (Lv80+Blueprint), Ranking: 2014 Feb (1-100), Mar (4-500), Apr (21-100), May (21-500), Aug (101-500), 2015 Jan (21-500), Mar (21-100)
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), Spring 2014 E-4 reward
087	New High Pressure-Temperature Steam Boiler	Amatsukaze (Lv20)
088	Type 22 Surface RADAR Kai 4	Choukai (Lv65+Blueprint), Improvement Arsenal (from Type 22 Surface RADAR)
090	20.3cm(no.2) Twin Gun Mount	Haguro (Lv65ｘ2), Myoukou (Lv70ｘ2), Furutaka (Lv65ｘ2), Ashigara (Lv65ｘ3), Improvement Arsenal (from 20.3cm Twin Gun Mount)
091	12.7cm Twin High-Angle Mount (Late Model)	Urakaze (Lv35), Tokitsukaze (Lv30), Isokaze (Lv45), Asagumo (Lv35), Nowaki (Lv35), Yamagumo (Lv35), Hatsushimo (Lv70), Asashimo (Lv45), Murakumo (Lv70), Mutsuki (Lv65), Kisaragi (Lv65)
092	BI-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)
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), Hatsushimo (Lv70), Teruzuki (Lv40)
107	Fleet Command Facility	Ooyodo (Lv35)
109	Zero Fighter Type 52 Type C (601 Air Group)	Unryuu (Lv50+Blueprint), Amagi (Lv50+Blueprint)
111	Suisei (601 Air Group)	Unryuu (Lv50+Blueprint), Amagi (Lv50+Blueprint)
112	Tenzan (601 Air Group)	Unryuu (Lv50+Blueprint), Amagi (Lv50+Blueprint), Winter 2015 Event E-2 reward (C)
113	Ryuusei (601 Air Group)	Katsuragi (Lv50+Blueprint), Winter 2015 Event E-2 reward (A,B), Ranking: 2014 Oct(1-5), Nov(1-20)
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	Katori (Lv1, Lv35), Improvement Arsenal (from 14cm Naval Gun)
120	Type 91 Anti-Aircraft Fire Director	Hatsushimo (Lv70)
121	Type 94 Anti-Aircraft Fire Director	Fubuki (Lv70), Improvement Arsenal (from Type 91 Anti-Aircraft Fire Director)
122	10cm Twin High-angle Mount + Anti-Aircraft Fire Director	Akizuki (Lv1, Lv40), Teruzuki (Lv1, Lv40), Improvement Arsenal (from Type 94 Anti-Aircraft Fire Director with Fubuki Kai Ni, Akizuki or Teruzuki as second ship)
123	SKC34 20.3cm Twin Cannon	Prinz Eugen (Lv1, Lv45)
124	FuMO25 Radar	Prinz Eugen (Lv45), Winter 2015 Event E-6 (A) reward
125	61cm Triple (Oxygen) Torpedo Mount	Fubuki (Lv70), Murakumo (Lv70), Mutsuki (Lv65), Kisaragi (Lv65) Improvement Arsenal (from 61cm Triple Torpedo Mount)
126	WG42 (Wurfgerät 42)	U-511 (Lv1), Winter 2015 Event E-3 (A,B) reward, Spring 2015 Event E-3 (A) reward
127	Prototype FaT Type 95 Oxygen Torpedo Kai	Ro-500 (Lv55)
129	Skilled Lookouts	Choukai (Lv65+Blueprint), Takanami (Lv30), Kazagumo (Lv30), Time-Limited Quest Reward (2015 Hina-Matsuri), Ranking: 2015 Jan (1-5ｘ2, 6-100)
131	25mm Triple Autocannon Mount (Concentrated Deployment)	Maya (Lv75), Improvement Arsenal (from 25mm Triple Autocannon Mount)
133	381mm / 50 Triple Gun Mount	Littorio (Lv1), Roma (Lv1), Ranking: 2015 Mar (1-5ｘ2, 6-500)
134	90mm Single High Angled Gun	Littorio (Lv1, Lv35), Roma (Lv1, Lv35), Spring 2015 Event E-3 (A,B) reward
135	90mm Single High Angled Gun	Italia (Lv35), Roma (Lv35), Spring 2015 Event E-4 (A,B) reward
136	Pugliese-Type Underwater Bulkhead	Littorio (Lv1), Roma (Lv1), Spring 2015 Event E-3 reward
137	381mm / 50 Triple Gun Mount Kai	Italia (Lv35), Roma (Lv35), Spring 2015 Event E-4 (A) and E-5 (A,B) reward
138	Type 2 Flying Boat	Akitsushima (Lv35), Spring 2015 Event E-5 (A) and E-6 (A,B) reward
146	Maritime Resupply	Hayasui (Lv1, Lv25), common event reward
147	120mm Twin Gun Mount	Libeccio (Lv1, Lv30x2)

List of equipment currently obtainable as Quest Reward. All of these quests are one-time only and limit the number of equipment that can be acquired. Some quests may require event-exclusive ship drop or reward. Excludes rewards that are also stock equipment of at least one ship.

No	Name	How to get
042	Repair Team	new players get 2, Quests A3, A10, A23, A25, A30, A32, A33, B11, B16, B19, B29, D5, WA02, bought from cash shop
064	Ju 87C Kai	Quests D6, D7
094	Tenzan Model 12 (Tomonaga Squadron)	Quest F13
095	53cm Submarine Bow Torpedo Mount (8 tubes)	Quests D13, D14
100	Suisei (Egusa Squadron)	Quest F14
108	Skilled Carrier-based Aircraft Maintenance Personnel	Quest B28
110	Reppuu (601 Air Group)	Quest F15, Winter 2015 Event E-1 (A,B) reward
116	Type 1 Armor-Piercing (AP) Shell	Quests B31, B32, Improvement Arsenal (from Type 91 Armor-Piercing (AP) Shell)

List of uncraftable equipment that cannot be received as Stock Equipment or as Quest Reward, but obtainable via Akashi's Improvement Arsenal.

No	Name	How to get
103	Prototype 35.6cm Triple Gun Mount	Improvement Arsenal (from 35.6cm Twin Gun Mount)
130	12.7cm Twin High-angle Mount + Anti-Aircraft Fire Director	Improvement Arsenal (from Type 94 Anti-Aircraft Fire Director with Maya Kai Ni second ship)

List of equipment not obtainable by all players currently. These equipment were available in the past as Event Reward or Ranking Rewards, and may still be available this way in the future.

No	Name	How to get
043	Repair Goddess	Events: 2013 Spring E-1, Summer E-2, Fall E-3, 2014 Spring E-4, Summer E-4, Fall E-3 Ranking: 2013 June (1-20), Nov (1-3), bought from cash shop
053	Reppuu Kai	2014 Spring E-1, Ranking: 2015 Apr (1-20)
056	Shinden Kai	2013 Spring E-4
067	53cm Hull-mount (Oxygen) Torpedoes	2013 Fall E-3, Ranking: 2014 Jan (1-3)
081	Zuiun Model 12 (634 Air Group)	Ranking: 2014 Mar (1-3), Apr (1-20), May (1-20), Aug (1-100)
083	Tenzan (931 Air Group)	Ranking: 2014 Feb (1-20), Mar (1-20), Apr (1-100), June (1-500), July (1-20), 2015 Feb (1-20)
089	Type 21 Air RADAR Kai	Ranking: 2014 Apr (1-3), May (1-3), June (1-500), Aug (1-100)
117	46cm Twin Gun Mount Prototype	Ranking: 2014 Sep (1-5ｘ2, 6-100), Oct (1-20ｘ2), Nov (1-500), 2015 Jan (1-500), Winter 2015 Event E-1 (B) reward
118	Shiun	Ranking: 2014 Sep (1-500), Oct (1-500), Dec (1-100), 2015 Mar (1-100), Apr (1-500)
128	Prototype 51cm Twin Cannon	Winter 2015 Event E-2 (A) reward (A), Spring 2015 Event E-1 (A) reward
132	Type 0 Passive SONAR	Ranking: 2015 Feb (1-5ｘ2, 6-500)
139	15.2cm Twin Gun Mount Kai	Ranking: 2015 Apr (1-5ｘ2, 6-500)