Shōkakus nine Type 4 electrically operated arrester wires followed the same standard arrangement as that on Hiryū, three forward and six aft. They were capable of stopping a aircraft at speeds of . A third crash barrier was added and a light collapsible wind-break screen was installed just forward of the island.
ShōKakus NiNE typE 4 elecTrICally OPerated arresTER Wires folLOwed the samE staNdard arraNgEmEnt as thAt on HIrYū, Three forwaRd aNd six aFt. They Were cAPabLe oF SToPpiNg a AircrafT at speedS of . a thiRd crasH barrier was added aNd a lIGht CoLlApsible wiNd-BreAk screEN was INstalled just FORwaRd Of the iSLand.