Convoy HX 231

Convoy HX.231
Part of the Second World War

North Atlantic Ocean map
Date25 March – 10 April 1943
Location
Belligerents
Nazi Germany Germany  Canada
United Kingdom United Kingdom
Commanders and leaders
Karl Dönitz Charles Ramsay (Commodore)
Strength
11 U-boats 67 merchant ships
19 escorts
Casualties and losses
2 U-boats sunk 6 ships sunk

Convoy HX 231 was the 231st of the numbered series of Second World War HX convoys of merchant ships from HalifaX to Liverpool. The ships departed New York City on 25 March 1943 and were met on 31 March by Mid-Ocean Escort Force Group B-7. The convoy was found on 4 April and attacked by eleven U-boats of the 1st, 3rd, 6th and 10th U-boat flotillas, from Brest, La Rochelle, St Nazaire and Lorient, respectively. These U-boats formed wolfpack Löwenherz' (Lionheart). The U-boats sank six ships before losing contact on 7 April. Two U-boats, U-632 and U-635, were sunk. The convoy reached Liverpool on 10 April.