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Type 21 Air Radar

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No.30 21号対空電探
Radar.png Large Radar (Air Radar)
Effects: AA+4 Accuracy+2 LoS+4
Scrap value: Steel 20 Bauxite 20 (Buildable)

Equipment Card Type 21 Air Radar.png

Equipment Character Type 21 Air Radar.png

Equipment Item Type 21 Air Radar.png

Equipment Full Type 21 Air Radar.png

Refittable Class
Coastal Defense Ship Destroyer
Light Cruiser Torpedo Cruiser
Heavy Cruiser Training Cruiser
Aviation Cruiser Fast Battleship
Battleship Aviation Battleship
Light Carrier Standard Aircraft Carrier
Armored Carrier Seaplane Tender
Submarine Aircraft Carrying Submarine
Submarine Tender Fleet Oiler
Repair Ship Amphibious Assault Ship

Introduction

初の実用艦載電探です。
対空用ですが、対水上電探としても使用可能です。
13号電探と混載することも可能で、基本的にこの21号は大型艦に搭載されました。

The Type 22 radar was one of the first radars to be used aboard warships.
Primarily tasked for air search, it can also be used for surface search.
While this can be used in conjunction with the Type 13, the Type 21 is basically used aboard larger warships.

Mechanics

RADAR Radars are used to provide boosts to LoS Line of Sight and accuracy Accuracy. They are additionally used for:

Air RADARAir Air Radars are radars that:

  • Must have 2 or more AA Anti-Air,
  • Increase the Anti-Air of the fleet,
  • Are required to trigger most AACI.

Notes

How To Obtain

Buildable

Stock equipment of: Abukuma KaiAbukuma Kai, Chikuma Kai NiChikuma Kai Ni, Hiei Kai NiHiei Kai Ni, Isuzu Kai NiIsuzu Kai Ni, Isuzu KaiIsuzu Kai, Junyou Kai NiJunyou Kai Ni, Kinu KaiKinu Kai, Kirishima Kai NiKirishima Kai Ni, Kitakami Kai NiKitakami Kai Ni, Kongou Kai NiKongou Kai Ni, Maya KaiMaya Kai, Mikuma KaiMikuma Kai, Naka Kai NiNaka Kai Ni, Ooi Kai NiOoi Kai Ni, Suzuya KaiSuzuya Kai, Tone Kai NiTone Kai Ni, Yahagi KaiYahagi Kai

From quest: C56 (choice), Cy9 (x2, choice)

Uses

Used to improve: Type 13 Air RadarType 13 Air Radar, Type 21 Air RadarType 21 Air Radar, Type 42 Air RadarType 42 Air Radar, Type 21 Air Radar KaiType 21 Air Radar Kai, SK RadarSK Radar, Type 21 Air Radar Kai NiType 21 Air Radar Kai Ni, 15m Duplex Rangefinder + Type 21 Radar Kai Ni15m Duplex Rangefinder + Type 21 Radar Kai Ni

Updates History

  • 2013-04-23: Implemented with initial game release
  • 2015-06-12: Became improvable and upgradeable to Type 21 Air Radar KaiType 21 Air Radar Kai
  • 2021-03-30: Became upgradeable to Type 21 Air Radar Kai NiType 21 Air Radar Kai Ni, build rate with Akizuki-class increased, visible bonuses added

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Mogami Kai/Ni/TokuMogami Kai
Mogami Kai Ni
Mogami Kai Ni Toku
Akizuki-class 		+3 +2 +2 Non-stackable between itself and Type 21 Air Radar Kai Ni

Improvement

Type Name ★ Resource Day 2nd Ship Note
Fuel Ammunition Steel Bauxite Item Icon Development Material.png Item Icon Improvement Material.png # of equipment needed for that upgrade. An asterisk following the number indicates a different equipment is required. Sun Mon Tue Wed Thu Fri Sat
RADAR Type 21 Air Radar 0 10 0 40 50 5/6 2/3 - I
 
I2
 
  		I
I1
I2
 
  		X  
 
 
H
H1 		 
 
 
H
H1 		I
 
I2
H
  		I
 
I2
H
  		IseIse
Ise KaiIse Kai
Ise Kai NiIse Kai Ni
HyuugaHyuuga
Hyuuga KaiHyuuga Kai 		Hyuuga Kai NiHyuuga Kai Ni can NOT improve this equipment.
Upgrades to Type 21 Air Radar KaiType 21 Air Radar Kai.
6 6/8 3/5 1xRadar.png
10 12/16 5/13 2xRadar.png
0 {{{Fuel:2}}} {{{Ammo:2}}} {{{Steel:2}}} {{{Baux:2}}} 5/6 2/3 - X M
MT 		M
  		M
  		M
MT 		X X MogamiMogami
Mogami Kai
Mogami Kai Ni TokuMogami Kai Ni Toku 		Mogami Kai NiMogami Kai Ni can NOT improve this equipment.
Upgrades to Type 21 Air Radar Kai NiType 21 Air Radar Kai Ni.
6 6/8 3/5 1xRadar.png
10 20/28 7/15 1xRadar.png
1xItem Icon New Model Armament Material.png
Improvement Improved effects
Large RADARLarge 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
[math]\displaystyle{ \text{AdjAA}_\text{fleet} }[/math] 1.50 2.12 2.59 3.00 3.35 3.67 3.96 4.24 4.50 4.74
Line of Sight 1.40 1.97 2.42 2.80 3.13 3.42 3.70 3.95 4.20 4.42
Accuracy Day 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Accuracy Night 1.30 1.84 2.25 2.60 2.91 3.18 3.44 3.68 3.90 4.11

See Also

二式二号電波探信儀一型

v · e
Equipment List
Gallery • By Stats • Equipment Types & Icons • Development • Improvement
 
Main Guns
Foreign
10cm Twin HA Gun Mount (+ AAFD) • 12cm Single High-angle Gun Mount (Model E • Model E Kai) • 12.7cm HA Gun Mount (Single LM • Twin LM • Single Kai 2 • Twin Kai 2) • 12.7cm Twin HA Gun Mount (Model A Kai 3 + AAFD • Model B Kai 4 + AAFD)
Foreign
14cm
15-15.5cm/6inch
20-20.3cm/8inch
30.5-32 cm
305mm/46 Gun Mount (Twin • Triple) (Ita) • 320mm/44 Gun Mount (Twin • Triple) (Ita) • 30.5cm Triple Gun Mount (Kai) (Sov)
35.6cm/14inch
38-38.1cm
41cm/16inch
41cm Twin Gun Mount (Kai 2) • 41cm Triple Gun Mount (Proto • Kai • Kai 2) • 16inch Twin Gun Mount (Mk.I • Mk.V • Mk.VIII Kai) (US) • 16inch Triple Gun Mount (Mk.6 • Mk.6 + GFCS • Mk.6 mod.2 • Mk.7 • Mk.7 + GFCS) (US) • 16inch Triple Gun Mount (Mk.I • Mk.I + AFCT Kai • Mk.I Kai + FCR Type 284) (UK)
46cm
 
Secondary Guns
Surface
Foreign
 
Anti-Air
 
Torpedo Weapons
53cm Twin Torpedo Mount • 53cm Bow O2 Torpedoes • 61cm Torpedo Mount (Triple • Triple O2 • Triple O2 LM • Quad • Quad O2 • Quad O2 LM • Quintuple O2 • Proto Sext O2) • 533mm Quint Torpedo Mount (Initial Model • Late Model) (US) • 533mm Triple Torpedo Mount (Model 53-39) (Sov)
Late Model Bow Torpedo Mount (4 tubes) (+ Skilled Sonar Personnel) • Late Model Bow Torpedo Mount (6 tubes) (+ Skilled Sonar Personnel) • Submarine 53cm Bow Torpedo Mount (8 tubes) (Late Model) • Prototype FaT Type 95 Oxygen Torpedo Kai (IJN/Ger) • 21inch 4-tube Bow Torpedo Launcher (Initial Model • Late Model) (US) • 21inch 6-tube Bow Torpedo Launcher (Initial Model • Late Model) (US) • Submarine 4-tube Stern Torpedo Launcher (Initial Model • Late Model) (US)
Kouhyouteki (Type A • Type C • Type D Kai)
 
Carrier-Based Planes
Other (IJN)
Type 96 (Kai) • Shiden (Kai 2 • Kai 4) • Reppuu (Prototype LM • Model 11 • 601 • Kai • Kai 2 • Kai 2 (CD1/Skilled)) • Prototype Jinpuu • Shinden Kai
Foreign
Bf 109 T Kai (IJN/Ger) • Fw190 (T Kai • A-5 Kai (Skilled)) (IJN/Ger) • Reggiane (2001 OR Kai • 2005 Kai) (IJN/Ita) • Wildcat (F4F-3 • F4F-4) (US) • Hellcat (F6F-3 • F6F-5) (US) • XF5U (US) • FR-1 Fireball (US) • Fulmar (UK) • Seafire Mk.III Kai (UK) • Corsair Mk.II (Ace) (UK)
Reppuu Kai 2 Model E (CD1/Skilled) • Hellcat (F6F-3N • F6F-5N) (US) • F4U-2 Night Corsair (US)
Foreign
Ju.87C (Kai • Kai 2 KMX • Kai 2 KMX/Skilled) (IJN/Ger) • Re.2001 CB Kai (IJN/Ita) • Dauntless (SBD • SBD-5) (US) • Helldiver (SB2C-3 • SB2C-5) (US) • Corsair (F4U-1D (US) • F4U-4 (US) • F4U-7 (Fr/US)) • FM-2 (US) • Skua (UK)
Type 0 (Model 62 FB (Iwai) • Model 63 FB • Model 64 KMX • Model 64 (Skilled FB)) • AU-1 (US)
Type 97 (Skilled • 931 • 931/Skilled • Tomonaga • Murata) • Tenzan (601 • 931 • Model 12A • Tomonaga • Murata) • Ryuusei (Kai • Kai Skilled • 601 • CD1 • CD1/Skilled)
Foreign
Re.2001 G Kai (IJN/Ita) • TBD (US) • TBF (US) • Swordfish (Mk.II Skilled • Mk.III Skilled) (UK) • Barracuda (Mk.II • Mk.III) (UK) • Mosquito TR Mk.33 (UK)
 
Land-Based Planes
Toukai (Proto • 901)
Army
Type 1 Fighter Hayabusa (Model II • Model II (64) • Model IIIA • Model IIIA (54)) (IJA) • Type 3 Fighter Hien (Model 1D • 244) (IJA) • Type 4 Fighter Hayate (IJA) • Type 2 Two-seat Fighter Toryuu (Model C) (IJA) • Ki-96 (IJA) • Fw 190 D-9 (Ger) • Me 262 A-1a/R1 (Ger) • Spitfire (Mk.I • Mk.V • Mk.IX Skilled) (UK)
Navy
Raiden • Shiden (Model 11 • Kai • Kai 343/301 • Kai 343/407 • Kai 343/701) • Type 0 Fighter (Model 22 (251) • Model 21 (Tainan) • Model 32 (Tainan)) • Reppuu Kai (352/Skilled)
HA
Me 163B (Ger) • Shuusui (Proto)
 
Seaplanes
Zuiun (631 • 634 • 634/Skilled • Model 12 • Model 12 (634) • Kai 2 (634) • Kai 2 (634/Skilled)) • Seiran (Prototype • 631) • Swordfish (Mk.III Kai • Mk.III Kai Skilled) (UK/Swe) • Laté 298B (Fr)
Type 2 Kai (Skilled) • Kyoufuu (Kai • Kai 2) • Ro.44 Seaplane Fighter (bis) (Ita)
 
Radars
 
Anti-Submarine Warfare
Ka Type Observation Autogyro • O Type Observation Autogyro (Kai • Kai 2) • S-51J (Kai) (JMSDF/US)
 
Miscellaneous
Night Battle Aid
Facility & Crew
Consumables
Others
Unreleased & removed
SB2U
HA - High-Angle or High-Altitude; DP - Dual-Purpose; LM - Late Model; CD - Concentrated Deployment or Carrier Division
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