List of Allied convoys during World War II by region

This is a list of Allied convoys during World War II by region.

European Coastal Atlantic convoys +European CoastalCodeRouteFirst sailingLast sailingNo. run NotesBBBelfast or River Clyde to Bristol Channel1940 Belfast, 1945 Clyde1943 Belfast, 1945 ClydeBCBristol Channel to Bay of Biscayoutward and return convoys used same numberBDWhite Sea to Dikson IslandSeptember 1943BKWhite Sea to Kola InletSummer 1941BTCBristol Channel to River Thames19441945165CESt. Helens Roads to Southend-on-Sea19401944261CWSouthend-on-Sea to St. Helens Roads19401944270DBDikson Island to White Sea1942DFRiver Clyde to Faroe Islandsmilitary ferry serviceDSRiver Clyde to Reykjavíkmilitary ferry serviceECSouthend-on-Sea to Oban via Firth of Forth1941194190temporary substitution for EN convoysENMethil, Fife to Oban via Loch Ewe19401945597temporarily replaced by EC convoys during 1941FDFaroe Islands to River Clydemilitary ferryFNRiver Thames to Firth of Forth193919451,744FPBrest via British Isles to NorwayApril 1940May 1940French and Polish troop convoysFSFirth of Forth to River Thames193919451,840FSBrest via British Isles to NorwayApril 1940May 1940French supply convoysGREYBACKDieppe, Seine-Maritime to Newhaven, East Sussexferry serviceGSGrimsby to Southend-on-Sea19401940HMHolyhead to Milford HavenHNBergen to Methil, Fife19391940HXAWestern Approaches to English Channel19391945English channel section of same numbered HX convoys – no sailings from 1940 to 1944KBKola Inlet to White SeaKPKola Inlet to Pechengsky DistrictMHMilford Haven to HolyheadMTMethil, Fife to River TyneNPBritish Isles to NorwayApril 1940May 1940troop convoysOARiver Thames (or Methil, Fife after July 1940) to Liverpool7 September 193924 October 1940234merged with OB convoy in the southwest approachesOBLiverpool to the Atlantic Ocean7 September 193921 July 1941345merged with OA convoy in the southwest approaches - ON and OS convoys replaced OB convoysONMethil, Fife to Bergen19391940PWPortsmouth to WalesSDIceland to River Clydemilitary ferry serviceSGSouthend-on-Sea to Grimsby19401940SILVERTIPNewhaven, East Sussex to Dieppe, Seine-Maritimeferry serviceTBCRiver Thames to Bristol Channel19441945TMBritish Isles to NorwayApril 1940May 1940troop convoysTPNorway to British IslesMay 1940May 1940troop convoysURLoch Ewe (later Belfast) to ReykjavíkWNRiver Clyde, Oban and Loch Ewe to Firth of ForthWPWales to Portsmouth

North Atlantic convoys Code prefixRouteFirst sailingLast sailingNumber of convoysNotesATUnited States to British IslesMarch 19421945troopshipsBHXBermuda to LiverpoolMay 1940March 194197 (# 41-137)sailed from Bermuda and merged with same number HX convoy at seaCKCharleston, South Carolina to British Isles19441944rarely usedCTBritish Isles to Canada19411941troopshipsCUCaribbean (later New York City) to Liverpool20 March 194330 May 19457314-knot convoys of tankers with some fast cargo shipsGUFMediterranean to Chesapeake Bay29 November 194216 April 194522faster shipsGUSMediterranean to Chesapeake Bay21 December 194227 May 194592slower shipsHGGibraltar to Liverpool26 September 193919 September 194289replaced by MKS convoys after Operation TorchHXHalifax Harbour (later New York City) to Liverpool16 Sept 193923 May 19453779-knot convoys for ships of sustained speeds less than 15 knotsHXFHalifax Harbour to Liverpool29 Sept 193912 February 194017fast sections of HX convoysJWIceland to White Sea25 December 194212 May 194517 (# 51-67)replaced PQ convoysKJKingston, Jamaica to United KingdomKMFFirth of Clyde to Mediterranean26 October 194223 May 194545faster ships to the MediterraneanKMSLiverpool to Mediterranean22 October 194227 April 194598slower ships to the Mediterranean - 1st 12 sailed independently, remainder sailed with OS convoys and detached west of GibraltarMKFMediterranean to Firth of Clyde or Liverpool12 November 19424 June 194545faster ships from the MediterraneanMKSMediterranean to Liverpool12 November 194225 May 1945103slower ships from the Mediterranean- 1st 11 sailed independently, remainder merged with SL convoys west of GibraltarNACanada to British IslestroopshipsOGLiverpool to Gibraltar2 October 193917 October 194395early sailings every 5th merged OA/OB convoy became an OG convoy at sea - later OG convoys sailed from LiverpoolONLiverpool to Halifax Harbour26 July 194127 May 1945307replaced OB convoys for North American destinations - alternate convoys included slower ships until the ONS convoys startedONSLiverpool to Halifax Harbour15 March 194321 May 194551slower ships westbound on the ON convoy routeOSLiverpool to Sierra Leone24 July 194127 May 1945131replaced OB convoys for non-North American destinations - included KMS convoys detached west of GibraltarPQIceland to White Sea29 September 19412 September 194218replaced by JW convoysQPWhite Sea to Iceland28 September 194117 November 194215replaced by RA convoysRAWhite Sea to Scotland30 December 194223 May 194517 (# 51-67)replaced QP convoysRBUnited States to British IslesSeptember 1942September 19421small passenger steamersSCSydney, Nova Scotia (or Halifax Harbour or New York City) to Liverpool15 August 194026 May 19451777-knot convoys of eastbound ships too slow for the 9-knot HX convoysSLSierra Leone to Liverpool14 September 193925 November 1944178merged with MKS convoys west of GibraltarTABritish Isles to United Stateslarge troopshipsTCCanada to British Isles19391941troopships carrying Canadian troopsTCUCaribbean (later New York City) to Liverpool14-knot CU convoys of tankers and fast cargo ships with troopshipsTUBritish Isles to United States19431944troopshipsTUCLiverpool to Caribbean (later New York City)14-knot UC convoys of tankers and fast cargo ships with some troopshipsUCLiverpool to Caribbean (later New York City)15 February 19433 June 19457114-knot convoys of tankers with some fast cargo shipsUGFChesapeake Bay to Mediterranean24 October 19428 April 194522faster ships - (UGF-1) was the invasion force for Operation TorchUGSChesapeake Bay to Mediterranean13 November 194228 May 194595slower shipsUTUnited States to British Isles19431944troopships

North American coastal and Caribbean convoys Code prefixRouteFirst sailingLast sailingNumber of convoysNotesAHAruba to Halifax HarbourJuly 1942September 1942a brief tanker seriesARGBoston to Argentia, NewfoundlandUSN convoysAWAruba to Curaçaolocal tanker trafficBSCorner Brook, Newfoundland to Sydney, Nova Scotiaa brief seriesBWSydney, Nova Scotia to St. John's, Newfoundland1942BXBoston to Halifax Harbour21 March 194222 May 1945CKHavana, Cuba to Key West, FloridaCLSt. John's, Newfoundland to Sydney, Nova ScotiaCPCuraçao to Panama Canal19421942CWPanama Canal to Key West, FloridaCZCuraçao to Panama CanalFHSaint John, New Brunswick to Halifax Harbourlate 1942GGuantanamo Bay Naval Base to Puerto RicoGATGuantanamo Bay Naval Base to Trinidad via ArubaGJGuantanamo Bay Naval Base to Kingston, JamaicaGKGuantanamo Bay Naval Base to Key West, FloridaGMGalveston, Texas to Mississippi RiverGNGuantanamo Bay Naval Base to New York CityGPGuantanamo Bay Naval Base to Panama CanalGSGreenland to Sydney, Nova Scotia, or St. John's, NewfoundlandUSN escorted convoysGZGuantanamo Bay Naval Base to Panama Canal1942HAHalifax Harbour to Curaçao1942September 1942replaced HT convoysHFHalifax Harbour to Saint John, New BrunswickHHXHalifax Harbour to meet HX convoys originating in New York City at the Halifax Ocean Meeting Point (HOMP)HJHalifax Harbour to St. John's, NewfoundlandHKHouston, Texas to Key West, FloridaHONHalifax Harbour to ON convoys at the Halifax Ocean Meeting Point (HOMP)HSHalifax Harbour to Sydney, Nova ScotiaHTHalifax Harbour to TrinidadMay 19421942replaced by HA convoysJGKingston, Jamaica to Guantanamo Bay Naval BaseJHSt. John's, Newfoundland to Halifax HarbourJNSt. John's, Newfoundland to LabradorKGKey West, Florida to Guantanamo Bay Naval BaseKHKey West, Florida to Houston, TexasKNKey West, Florida to New York CityKPKey West, Florida to Mississippi RiverKSNew York City to Key West, FloridaKWKey West, Florida to Havana, CubaLCSydney, Nova Scotia to St. John's, NewfoundlandLNSt. Lawrence River to LabradorMGMississippi River to Galveston, TexasNGNew York City to Guantanamo Bay Naval BaseNJNewfoundland (island) coast to St. John's, NewfoundlandNKNew York City to Key West, FloridaNLLabrador to St. Lawrence RiverPGPanama Canal to Guantanamo Bay Naval Base19421942PKPilottown, Louisiana to Key West, FloridaQSQuebec to Sydney, Nova ScotiaSBSydney, Nova Scotia to Corner Brook, Newfoundland1942SGSydney, Nova Scotia (later St. John's, Newfoundland) to Greenland19421942USN escorted convoysSHSydney, Nova Scotia to Halifax HarbourSHXSydney, Nova Scotia to HX convoysSJSan Juan, Puerto Rico to Guantanamo Bay Naval BaseSQSydney, Nova Scotia to QuebecTAGTrinidad to Guantanamo Bay Naval Base via Aruba1942TAWTrinidad to Key West via Curaçao19421942TGTrinidad to Guantanamo Bay Naval BaseTHTrinidad to Halifax Harbour19421942TOTrinidad to CuraçaoWACuraçao to ArubaWATKey West to Trinidad via CuraçaoWSWabana, Newfoundland and Labrador to Sydney, Nova ScotiaXBHalifax Harbour to Boston18 March 1942ZCPanama Canal to CuraçaoZGPanama Canal to Guantanamo Bay Naval Base

Mediterranean and North African coastal convoys