Emirau Island
"Hoel" then patrolled south and east of Cape Botiangen, New Hanover Island, where her guns destroyed an enemy warehouse 26 March 1944, and, the next day, captured documents which contained valuable information from a outrigger canoe. That night she made four depth charge runs on an underwater sound contact with unknown results. She returned to Purvis Bay on 8 April 1944 to screen a convoy carrying troops and supplies to Emirau Island.