"Sydney"s first patrol commenced on 4 October, with two days spent providing air support of efforts to push the front line away from the Han River. "Sydney" was then briefly repositioned off the east coast, where her aircraft flew strike missions near Wonsan. After returning to the east coast, "Sydney" set a record on 11 October for light carrier operations: her aircraft flew 89 sorties during the day, with 31 aircraft aloft at one point. Following her first patrol, the carrier sailed to Sasebo to resupply, but on 14 October, all ships were ordered to sea to avoid Typhoon Ruth. Although the order to clear the anchorage was given that morning, the number of ships present meant "Sydney" did not leave until late in the day, and sailed during the worst part of the storm. A Firefly, a motor dinghy, and a forklift were lost overboard, six other aircraft parked on the deck were destroyed, and the carrier experienced extreme winds—the wind recorder broke after registering .