Upon her return to Purvis Bay 14 April 1944, "Hoel" reported for duty to Rear Admiral Robert W. Hayler, the commander of Cruiser Division 12 who kept her busy with training exercises and convoy duty until 14 August 1944, when she was assigned to the 3d Amphibious Force then preparing for the invasion of the Palaus. She joined at Espiritu Santo 24 August 1944, for passage to Purvis Bay. On 8 September 1944 they put to sea for the Palau Islands with Rear Admiral W. D. Sample's escort carrier task force unit to provide air support during the invasion of Peleliu. While continuing to screen the escort carriers, she rescued a pilot and passenger from an aircraft that had gone into the sea on attempting to take off from and transferred them to Marcus Island. On 1 October 1944, "Hoel" made three depth charge runs on an underwater sound contact with unknown results.