She was back in service by 13 May and rejoined the Norwegian operations on 14 May. She rescued 80 survivors that day from Norwegian ships that had been sunk by German air attacks on ships carrying refugees to the Faroe Islands. On 29 April she deployed with the destroyers , , and to evacuate troops from Mo and Bodø. The troops were taken to Harstad in preparation for their final evacuation from Norway. "Arrow" continued to be deployed off Norway throughout June, and on 7 June she escorted a slow convoy of storeships from Harstad, with and ten trawlers, as part of Operation Alphabet. They returned to the UK where "Arrow" returned to her flotilla duties. She then sailed to the Nore and on 26 June she was taken in hand for a refit at Sheerness. The work involved improving her anti-aircraft defence capabilities.