List of World War II Convoys - North Atlantic Convoys

North Atlantic Convoys

Code Prefix North Atlantic Routes First Sailing Last Sailing Number of Convoys Notes
AT United States to British Isles March 1942 1945 troopships
BHX Bermuda to Liverpool May 1940 March 1941 97 (# 41-137) sailed from Bermuda and merged with same number HX convoy at sea
CK Charleston, South Carolina to British Isles 1944 1944 rarely used
CT British Isles to Canada 1941 1941 troopships
CU Caribbean (later New York City) to Liverpool 20 March 1943 30 May 1945 73 14-knot convoys of tankers with some fast cargo ships
GUF Mediterranean to Chesapeake Bay 29 November 1942 16 April 1945 22 faster ships
GUS Mediterranean to Chesapeake Bay 21 December 1942 27 May 1945 92 slower ships
HG Gibraltar to Liverpool 26 September 1939 19 September 1942 89 replaced by MKS convoys after Operation Torch
HX Halifax Harbour (later New York City) to Liverpool 16 Sept 1939 23 May 1945 377 9-knot convoys for ships of sustained speeds less than 15 knots
HXF Halifax Harbour to Liverpool 29 Sept 1939 12 February 1940 17 fast sections of HX convoys
JW Iceland to White Sea 25 December 1942 12 May 1945 17 (# 51-67) replaced PQ convoys
KJ Kingston, Jamaica to United Kingdom
KMF Firth of Clyde to Mediterranean 26 October 1942 23 May 1945 45 faster ships to the Mediterranean
KMS Liverpool to Mediterranean 22 October 1942 27 April 1945 98 slower ships to the Mediterranean - 1st 12 sailed independently - remainder sailed with OS convoys and detached west of Gibraltar
MKF Mediterranean to Firth of Clyde or Liverpool 12 November 1942 4 June 1945 45 faster ships from the Mediterranean
MKS Mediterranean to Liverpool 12 November 1942 25 May 1945 103 slower ships from the Mediterranean- 1st 11 sailed independently - remainder merged with SL convoys west of Gibraltar
NA Canada to British Isles troopships
OG Liverpool to Gibraltar 2 October 1939 17 October 1943 95 early sailings every 5th merged OA/OB convoy became an OG convoy at sea - later OG convoys sailed from Liverpool
ON Liverpool to Halifax Harbour 26 July 1941 27 May 1945 307 replaced OB convoys for North American destinations - alternate convoys included slower ships until the ONS convoys started
ONS Liverpool to Halifax Harbour 15 March 1943 21 May 1945 51 slower ships westbound on the ON convoy route
OS Liverpool to Sierra Leone 24 July 1941 27 May 1945 131 replaced OB convoys for non-North American destinations - included KMS convoys detached west of Gibraltar
PQ Iceland to White Sea 29 September 1941 2 September 1942 18 replaced by JW convoys
QP White Sea to Iceland 28 September 1941 17 November 1942 15 replaced by RA convoys
RA White Sea to Scotland 30 December 1942 23 May 1945 17 (# 51-67) replaced QP convoys
RB United States to British Isles September 1942 September 1942 1 small passenger steamers
SC Sydney, Nova Scotia (or Halifax Harbour or New York City) to Liverpool 15 August 1940 26 May 1945 177 7-knot convoys of eastbound ships too slow for the 9-knot HX convoys
SL Sierra Leone to Liverpool 14 September 1939 25 November 1944 178 merged with MKS convoys west of Gibraltar
TA British Isles to United States large troopships
TC Canada to British Isles 1939 1941 troopships carrying Canadian troops
TCU Caribbean (later New York City) to Liverpool 14-knot CU convoys of tankers and fast cargo ships with troopships
TU British Isles to United States 1943 1944 troopships
TUC Liverpool to Caribbean (later New York City) 14-knot UC convoys of tankers and fast cargo ships with some troopships
UC Liverpool to Caribbean (later New York City) 15 February 1943 3 June 1945 71 14-knot convoys of tankers with some fast cargo ships
UGF Chesapeake Bay to Mediterranean 24 October 1942 8 April 1945 22 faster ships - (UGF-1) was the invasion force for Operation Torch
UGS Chesapeake Bay to Mediterranean 13 November 1942 28 May 1945 95 slower ships
UT United States to British Isles 1943 1944 troopships

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