HX convoys were transatlantic convoys in the North Atlantic during the First World War and in the Battle of the Atlantic in the Second World War. HX convoys sailed eastwards from Halifax, Nova Scotia in Canada, to Liverpool and other ports in Britain. They were joined the BHX convoys from Bermuda en route. After the United States entered the war, HX convoys began at New York.
Convoy SC 104 was the 104th of the numbered series of World War II Slow Convoys of merchant ships from Sydney, Cape Breton Island to Liverpool. During October 1942, a U-boat wolf pack sank eight ships from the convoy. The convoy escorts sank two of the attacking submarines.
Convoy SL 125 was the 125th of the numbered series of World War II SL convoys of merchant ships from Sierra Leone to Liverpool. Ships carrying commodities bound to the British Isles from South America, Africa, and the Indian Ocean travelled independently to Freetown, Sierra Leone, to be convoyed for the last leg of their voyage. Thirty-seven merchant ships departed Freetown on 16 October 1942 and were joined at sea by five more.
Convoy ON 122 was a trade convoy of merchant ships during the Second World War. It was the 122nd of the numbered series of ON convoys Outbound from the British Isles to North America. The ships departed Liverpool on 15 August 1942 and were joined on 17 August by Escort Group B6 of the Mid-Ocean Escort Force.
Convoy TAG 18 was a trade convoy of merchant ships during the second World War. It was the 18th of the numbered TAG Convoys from Trinidad and Aruba to Guantánamo. The convoy was shadowed from 1 to 4 November by U-160 skippered by Kapitänleutnant Georg Lassen and joined on 5 November by U-129 – skippered by Hans-Ludwig Witt. The two U-boats sank six ships from the convoy.
Convoy TAG 5 was a trade convoy of merchant ships during the second World War. It was the 5th of the numbered TAG Convoys from Trinidad and Aruba to Guantánamo. The convoy was found on 13 September 1942 by U-558. Kapitänleutnant Günther Krech destroyed three ships from the convoy in two approaches aboard U-558.
Convoy TAG 19 was a trade convoy of merchant ships during the second World War. It was the 19th of the numbered TAG Convoys from Trinidad and Aruba to Guantánamo. The convoy was found on the night of 5–6 November 1942 by U-508. Kapitänleutnant Georg Staats sank two ships from the convoy on 7 November in two approaches aboard U-508.
Convoy ON 113 was a trade convoy of merchant ships during the second World War. It was the 113th of the numbered series of ON convoys Outbound from the British Isles to North America. The ships departed Liverpool on 17 July 1942 and were joined on 18 July by Mid-Ocean Escort Force Group C-2. They were found on 24 July by the eleven U-boats of Wolf pack Wolf. Five ships were sunk before the convoy reached Halifax, Nova Scotia on 31 July.
Convoy SC 20 was the 20th of the numbered series of World War II Slow Convoys of merchant ships from Sydney, Cape Breton Island to Liverpool. The trade convoy left Halifax on 22 January 1941 and was found by U-boats of the 2nd and 9th Flotillas, operating from Lorient and Brest, respectively. Five ships were sunk before the convoy reached Liverpool on 8 February.
Convoy HX 133 was the 133rd of the numbered series of World War II HX convoys of merchant ships from HalifaX to Liverpool. The ships departed Halifax on 16 June 1941, and were found on 23 June by U-boats of the 1st U-boat Flotilla, operating out of Brest, France. U-boats sank six ships before the convoy reached Liverpool on 3 July. There was strong criticism of the RCN corvette's signalling capabilities as borne out by the number of collisions that occurred.
Convoy HX 126 was the 126th of the numbered series of World War II HX convoys of merchant ships from HalifaX to Liverpool.
Convoy SC 67 was the 67th of the numbered series of World War II Slow Convoys of merchant ships from Sydney, Cape Breton Island to Liverpool. The convoy left Halifax on 30 January 1942 and picked up a tran-Atlantic escort in Newfoundland. This marked the start of the allied end-to-end convoy escort system, which remained in effect until the end of the war. The convoy was found by U-591 on 10 February, and attacked by U-136 of 6th U-boat Flotilla, operating out of St Nazaire. Surviving ships reached Liverpool on 15 February.
Convoy HX 65 was a North Atlantic convoy of the HX series which ran during the battle of the Atlantic in World War II. It was the 65th of the numbered series of merchant convoys run by the Allies from Halifax to Liverpool. The convoy was attacked by German U-boats and aircraft, losing eight of its 51 ships sunk and a further three damaged. One U-boat was damaged.
Convoy OG 71 was a trade convoy of merchant ships during the second World War. It was the 71st of the numbered OG convoys Outbound from the British Isles to Gibraltar. The convoy departed Liverpool on 13 August 1941 and was found on 17 August by a Focke-Wulf Fw 200 Condor of Kampfgeschwader 40. Starting on August 19, it became the first convoy of the war to be attacked by a German submarine wolfpack, when reached by eight U-boats from 1st U-boat Flotilla, operating out of Brest. Ten ships comprising a total tonnage of 15,185 tons were sunk before the U-boats lost contact on 23 August.
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.
Convoy ON 92 was a trade convoy of merchant ships during the Second World War. It was the 92nd of the numbered series of ON convoys Outbound from the British Isles to North America. The ships departed from Liverpool on 6 May 1942 and were joined on 7 May by Mid-Ocean Escort Force Group A-3.
Convoy OG 69 was a trade convoy of merchant ships during the second World War. It was the 69th of the numbered OG convoys Outbound from the British Isles to Gibraltar. The convoy departed Liverpool on 20 July 1941 and was found on 25 July by Focke-Wulf Fw 200 Condors of Kampfgeschwader 40. Nine ships were sunk by submarine attacks continuing through 30 July.
Convoy SC 100 was a North Atlantic convoy, one of the SC series which ran during the battle of the Atlantic in World War II. It was the 100th of the numbered series of slow convoys of merchant ships from Sydney, Cape Breton Island to Liverpool. It came under attack, one of several convoy battles that occurred during the autumn and winter of 1942, losing five ships.
Convoy ON 115 was a trade convoy of 43 merchant ships with 12 escort ships during the Second World War. The convoy departed Liverpool on 24 July 1942 and arrived at Boston on 8 August. Three ships were lost to U-boats during the crossing and two were damaged.
Convoy HX 47 was a North Atlantic convoy of the HX series which ran during the battle of the Atlantic in World War II. It was the 47th of the numbered series of merchant convoys run by the Allies from Halifax to Liverpool. The convoy was attacked by German U-boats and lost three of its 58 ships.
Kriegsmarine 
Royal Canadian Navy 
