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SG Radar (Initial Model)

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No.315 SG レーダー(初期型)
Radar.png Small Radar (Air Radar)
Effects: Firepower+1 AA+3 ASW+3 Accuracy+8 Evasion+6 LoS+8 RangeMedium
Scrap value: Steel 15 Bauxite 20 (Unbuildable)

Equipment Card SG Radar (Initial Model).png

Equipment Character SG Radar (Initial Model).png

Equipment Item SG Radar (Initial Model).png

Equipment Full SG Radar (Initial Model).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



A practical surface radar that was developed in the United States and mounted on many surface ships.
This is an initial model of standardized and practical surface as well as low altitude radars which were developed from advanced radar technology from the land of black tea that was subsequently improved independently.


How To Obtain

Stock equipment of: Fletcher KaiFletcher Kai, Johnston KaiJohnston Kai, Colorado KaiColorado Kai, Maryland KaiMaryland Kai, South Dakota KaiSouth Dakota Kai, Massachusetts KaiMassachusetts Kai

From quest: C68 (choice)

Ranking reward for:

  • Nov 2018: 1-5, 6-20, 21-100
  • Mar 2020: 1-5 (★+4), 6-20 (★+3), 21-100 (★+2), 101-500 (★+2)


Used to improve: SK RadarSK Radar, SK + SG RadarSK + SG Radar, SG Radar (Initial Model)SG Radar (Initial Model)

Updates History

  • 2018-12-25: Implemented as ranking reward
  • 2022-07-13: Became improvable

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Samuel B. RobertsSamuel B. Roberts
+3 +4 +3 Also +1 Range (Range non-stackable)
Other USN ShipsIowaColorado
South DakotaWashington
HornetGambier Bay
+2 +4 +3
Dan YangDan Yang/Yukikaze Kai NiYukikaze Kai Ni +2 +3 +2 Also +1 Range
All stats non-stackable


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 SG Radar (Initial Model) 0 10 0 110 220 17/23 6/6 1xRadar.png F
Fletcher Mk.IIFletcher Mk.II
Will eventually become upgradable to the SG Radar (Late Model)SG Radar (Late Model)
6 24/33 7/8 1xRadar.png
10 - - -
Improvement Improved effects
Small RADARSmall 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Anti-Air Fleet 1.50 2.12 2.59 3.00 3.35 3.67 3.96 4.24 4.50 4.74
Line of Sight 1.25 1.76 2.16 2.50 2.79 3.06 3.30 3.53 3.75 3.95
Accuracy 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16

See Also