On 17 December 1941, the convoy was unsuccessfully attacked by the Soviet M-class submarine "M-59", the submarine being subsequently depth-charged by "Regele Ferdinand" and sunk with all hands.
On 17 December 1941, the Soviet M-class submarine "M-59" carried out an attack against an Axis convoy near the coastal town of Jibrieni in December 1941. The attack was unsuccessful, the submarine being subsequently depth-charged at close range by "Regele Ferdinand" and sunk with all hands.