Later that day she heard the British freighter Ashcrest broadcast that she needed assistance as her rudder was broken, at . U-140 sank Ashcrest with the loss of the entire crew of 37.
Six days later north of Ireland, on 8 December she sank the steel 3-mast barque Penang of neutral Finland, inbound from Stenhouse Bay, South Australia to Cobh in neutral Ireland with a cargo of grain. The Penang and her 18 crew were all lost at .