** Improvement: [[Type 22 Surface Radar Kai 4 (Calibrated Late Model)]], [[61cm Quadruple (Oxygen) Torpedo Mount Late Model]], [[12.7cm Twin Gun Mount Model B Kai 4 (Wartime Modification) + Anti-Aircraft Fire Director]], [[Type 3 Active Sonar Kai]], [[12.7cm Twin Gun Mount Model C Kai 3]], [[Type 2 Depth Charge Kai 2]]
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** Improvement & upgrade: [[Type 13 Air Radar]], [[Type 93 Passive Sonar]], [[12.7cm Twin Gun Mount Model C Kai 2]]