慶良間群島
Back in the Okinawa vicinity, she and fellow destroyer escort "" operated as an anti-submarine hunter-killer group for the next several days, on one occasion firing her Hedgehog (weapon) at several contacts that turned out to be schools of fish. After returning to her patrol station separately from "England" in late April, "Oberrender" briefly returned to the Kerama Islands for resupply on 30 April, then resumed her station later that day. For the next few days, the routine of patrolling was broken by the escort of transports from Hagushi Beach to Nakagusuku Bay on 2 May and a fruitless engagement with a G3M Nell bomber.