Type 21 Air Radar

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 Ship Types
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

Mechanics

  Radars are used to provide boosts to LoS   and accuracy  . They are additionally used for:

 Air Air Radars are radars that:

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

Notes

How To Obtain

Buildable

Stock equipment of: Abukuma Kai , Chikuma Kai Ni , Hiei Kai Ni , Isuzu Kai Ni , Isuzu Kai , Junyou Kai Ni , Kinu Kai , Kirishima Kai Ni , Kitakami Kai Ni , Kongou Kai Ni , Maya Kai , Mikuma Kai , Naka Kai Ni , Ooi Kai Ni , Suzuya Kai , Tone Kai Ni , Yahagi Kai 

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

Uses

Used to improve: Type 13 Air Radar , Type 21 Air Radar , Type 42 Air Radar , Type 21 Air Radar Kai , SK Radar , Type 21 Air Radar Kai Ni , 15m 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 Kai 
  • 2021-03-30: Became upgradeable to Type 21 Air Radar Kai Ni , build rate with Akizuki-class increased, visible bonuses added

Fit Bonuses

Type 21 Air Radar Equipment Bonuses
Ship Extra Requirement                 Note
Mogami Kai /Ni /Toku 
 
 

Mikuma Kai Ni /Toku 
 

Akizuki-class 
 
 
 
 
(1st equipped) +3 +2 +2 One-time[1]

Additional synergy with: 20.3cm (No.3) Twin Gun Mount , Prototype 20.3cm (No.4) Twin Gun Mount 

Improvement

  Type 21 Air Radar

Improvement Conversion (helper-dependent)
★ Improvement
Level
0~5 6~9
 
Type 21 Air Radar Kai
 
Type 21 Air Radar Kai 2
  Consumed 5/6 6/8 12/16 20/28
  Consumed 2/3 3/5 5/13 7/15
Equipment
Consumed
-    x2  
Items
Consumed
- -  
Resources  10  0  40  50
Ship Helper Conversion
 
Ise/Kai Ni
 
Type 21 Air Radar Kai
Mon Tue Wed Thu Fri Sat Sun
 
Ise Kai
Mon Tue Wed Thu Fri Sat Sun
 
Hyuuga
Mon Tue Wed Thu Fri Sat Sun
 
Hyuuga Kai
Mon Tue Wed Thu Fri Sat Sun
Hyuuga Kai Ni does not work
Ship Helper Conversion
 
Mogami/Kai
 
Type 21 Air Radar Kai 2
Mon Tue Wed Thu Fri Sat Sun
 
Mogami Kai Ni Toku
Mon Tue Wed Thu Fri Sat Sun
Mogami Kai Ni does not work
Improvement   effects
 Large 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
  1.40 1.97 2.42 2.80 3.13 3.42 3.70 3.95 4.20 4.42
  Day 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
  Night 1.30 1.84 2.25 2.60 2.91 3.18 3.44 3.68 3.90 4.11

See Also