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Submarine Radar and Radio Direction Finder (E27)

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Submarine Radar & Passive Radiolocator (E27)

No.211 潜水艦搭載電探&逆探(E27)

Submarine Radar Submarine Radar

Effects: Firepower+1 Evasion+11 Anti-Air+1 Accuracy+3 View Range+5

Scrap Value: Steel13 Bauxite15

Equipment Card Submarine Radar & Passive Radiolocator (E27).png

Equipment Character Submarine Radar & Passive Radiolocator (E27).png

Equipment Item Submarine Radar & Passive Radiolocator (E27).png

Equipment Full Submarine Radar & Passive Radiolocator (E27).png

Refittable Class
Coastal Defense ShipDestroyer
Light CruiserTorpedo Cruiser
Heavy CruiserAviation Cruiser
BattleshipAviation Battleship
Fast BattleshipLight Carrier
Standard CarrierArmored Carrier
Seaplane TenderSubmarine Tender
SubmarineSubmarine Carrier
Repair ShipTraining Cruiser
Fleet OilerAmphibious Assault Ship



Equipment that is mounted on submarines and used to search for enemies as well as to conduct surface reconnaissance.
Several excellent water-resistant telescopes that are primarily mounted on top of the bridge, surface radars and anti-air radars, not to mention the very useful E27 radar, are used for attempts at early detection of threats or targets.


Can be used together with late model submarine torpedoes (Late Model Bow Torpedo Mount (6 tubes)Late Model Bow Torpedo Mount (6 tubes), Skilled Sonar Personnel + Late Model Bow Torpedo Mount (6 tubes)Skilled Sonar Personnel + Late Model Bow Torpedo Mount (6 tubes), Late Model 53cm Bow Torpedo Mount (8 tubes)Late Model 53cm Bow Torpedo Mount (8 tubes), 21inch 6-tube Bow Torpedo Launcher (Late Model)21inch 6-tube Bow Torpedo Launcher (Late Model) or Submarine 4-tube Stern Torpedo Launcher (Late Model)Submarine 4-tube Stern Torpedo Launcher (Late Model)) to trigger Torpedo Cut-In types that have higher damage modifiers than the usual Torpedo Cut-In.

Torpedo Cut-In modifiers
Attack Type Prerequisites Notes Pre-cap
Submarine Cut-ins Torpedo-based WeaponSubmarine Radar With Late Model Sub Torpedoes ONLY 1.75 2
Torpedo-based WeaponTorpedo-based Weapon 1.6 2
Torpedo Cut-in Torpedo-based WeaponTorpedo-based Weapon + Any on the remaining slots 1.5 2

How To Obtain

Stock equipment of I-13 KaiI-13 Kai

Upgradeable from Submarine Radar & Waterproof TelescopeSubmarine Radar & Waterproof Telescope

Ranking reward for:

  • Apr 2018: 1-5, 6-20
  • Jul 2020: 21-100

Updates History

  • 2017-02-12: Implemented
  • 2020-06-26: Became possible to equip in expansion slots

See Also