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Introduction[edit]

Convoys were employed at least from the 16th Century as a form of protection. They were used extensively during World War 2.

There are extensive resources on the web about convoys and this entry is restricted to explaining the prefix codes used for convoys duing World War 2.


Key to World War 2 Convoys[edit]
PrefixRouteNotes
ABAden - BombayFrom Nov' 1942
ACAden - Colombo
AHAruba - Halifax, NSFrom July to Sept' 1942. 4 convoys only
AKDAden - Kilindini - DurbanFrom Sept' 1943
APUK - Middle East via CapeSummer 1940. Fast military convoy with war materials for Middle East
ASAmerica - FreetownFrom March 1942, military convoys
ATNew York - UKFrom March 1942, military convoys
BABombay - Aden/Red SeaFrom May 1941, military then later merchant
BBUK Coastal
BCBeira - CapetownJuly to September 1943, then AKD
BCBombay - ColomboFrom September 1943
BDWhite Sea - DiksonRussian. From summer 1943
BHXBermuda - HalifaxFeeder. May 1940 to March 1941
BKWhite Sea - Kola FjordRussian. From Summer of 1941
BRNBrazilian CoastFrom late 1942
BSBrest - CasablancaFrench. September 1939 to June 1940
BTSydney, NSW - USAFrom January 1943. Military
BTBahia - TrinidadNovember 1942 to July 1943 then JT
BTCU.K. coastalFrom June 1944
BXBoston - Halifax, NSFrom 1942
CAColombo - Aden
CBCapetown - BeiraJuly to September 1943 them DKA
CBColombo - BombayFrom September 1943
CDCapetown - DurbanFrom November 1942
CEU.K. coastalFrom September 1940. St Helens to Southend
CFCapetown - FreetownFrom May 1941
CGCasablanca - GibraltarFrom January 1943 for FT
CHColombo - Calcutta
CJColombo - Chittagong
CMCapetown - Red SeaFrom June 1940. Military
CTUK - North AmericaFrom August 1941. Military
CUCaribbean - UKFrom February 1943. Tanker convoys
CWUK CoastalChannel coast
CXColombo - Maldives - ChagosFrom April 1943
CZCuracao - Panama CanalFrom August 1942
DBDikson - White SeaFrom summer 1942. Russian
DCDurban - CapetownFrom December 1942
DKADurban - Kilindini - AdenFrom September 1943
DNDurban - North
EBCEnglish ChannelFrom June 1944. Eastern feeder, Operation Neptune
EBMEnglish ChannelFrom June 1944. Western feeder, Operation Neptune
ECSouthend - Loch Ewe - ClydeFrom March to October 1941
ECPEnglish ChannelFrom June 1944. Invasion convoys
EMCEnglish ChannelFrom June 1944. Invasion convoys
ENMethil - Loch Ewe (Clyde)From August 1940 to Clyde, from July 1941 to Loch Ewe only
ETNorth African Ports - GibraltarFrom November 1942
ETCEnglish ChannelFrom June 1944. Eastern feeder for Operation Neptune
EWUK CoastalChannel area West
FCFreetown - CapetownFrom May 1941
FNSouthend - MethilFrom September 1939
FNFreetown - NatalFrom summer 1942
FPBrest - UKFrom March to June 1940
FSMethil - SouthendFrom September 1939
FSSBizerta - SalermoFrom September 1939 to end of 1943
FTFreetown - TrinidadFrom July 1943
FXPEnglish ChannelFrom June 1944. Invasion convoys
GATGuantanamo - Aruba - TrinidadFrom August 1942. Former WAT
GCGibraltar - CasablancaFrom November 1942. Former TF
GIBRCanares - GibraltarCoastal
GKGuantanamo - Key WestFrom September 1942
GMGibraltar - MaltaFrom July 1941. Military convoys
GNGuantanamo - New YorkFrom September 1942
GPGuantanamo - Panama CanalFrom July 1942. GZ from September 1942
GPAustralia - East CoastFrom 1942
GSUK Coastal
GSGreenland - Sydney, NS
GTUK Coastal
GTXGibraltar - Tripoli - Alexandria/Port SaidFrom May 1943
GUFGibraltar - USFrom November 1942. Fast
GUSGibraltar - USFrom November 1942. Slow
GZGuantanamo - Panama CanalFrom September 1942. for GP
HAHalifax, NS - ArubaFrom July to September 1942
HATripoli - AugustaFrom August 1943
HCCalcutta - Colombo
HGGibraltar - UKFrom September 1939 to September 1942, later MKF and MKS
HKGalveston - Wey WestFrom August 1942
HMUK coastal
HNBergen - MethilFrom October 1939 to April 1940
HXHalifax/N.Y. - UKFrom September 1939 to 1942 from Halifax. From September 1942 to May 1945 from New York. From July 1940 entry from the North Channel, and from October 1944 from South of Ireland. From September 1939 to February 1940 additional HXF (fast) convoys. Feeder convoys HXH from Halifax, NS. HXS from Sydney, NS. HXJ from St Johns, NFL.
JCChittagong - Colombo
JTRio de Janeiro - TrinidadFrom July 1943 for former BT
JWLoch Ewe - Kola FjordFrom December 1942, former PQ. Part of convoy direct to Archangel
KCasablanca - BrestFrom October 1939 to June 1940
KBKola Fjord - White SeaFrom summer 1941
KGKey West - GuantanamoFrom September 1942
KHKey West - GalvestonFrom August 1942
KJKingston - EuropeFrom September to October 1939 KJF (fast), also linked with KJ
KMFUK - Mediterranean (fast)From October 1942. Military at the start. Replacing OG. From May 1943 to Alexandria
KMSUK to Mediterranean (slow)From October 1942. From April 1943 linked with OS convoys off Gibraltar.
KNKey West - New YorkFrom May 1942 to Hampton Roads. From September 1942 to New York
KPKola Fjord - Pilottotown(Mississippi)From August 1942
KPKola Fjord - Petsamo/KirkenesFrom November 1944. Soviet convoys
KRIndian OceanFrom 1944. Military convoys
KRSUK - North AfricaFrom 1942. Operation Torch
KSOran/Casablanca - Brest/St NazaireFrom September 1939 to June 1940. French
KXUK - GibraltarFrom October to November 1942 - Operation Torch
LEPort Said/Alexandria - Famagusta/Haifa/BeirutFrom July 1941
LMDLaurenco Marques - DurbanFrom November 1942 to September 1943 then AKD.
LSLagos - FreetownFrom April to August 1942 then TS
MCMiddle East - Kilindini- CapetownFrom June 1940. Military.
MEMediterranean - EastFrom June 1940
MGMalta - GibraltarFrom July 1941 to August 1942. Military
MHUK coastal
MKFMediterranean - UKFrom November 1942. Fast military
MKSMediterranean - UKFrom November 1942 replacing HG. Slow convoy. From May 1943 linked with SL
MTMethil - TyneFrom February 1940. Replaced FN.
MWWest Mediterranean - Alexandria/MaltaFrom July 1940 to 1941. Resumed November 1942. July 1943 MWF for operation Husky
NANorth America - UKJanuary/February 1942. Military convoys. Later combined with AT
NCOran/Algiers - SicilyJuly 1943. Invasion convoys for Operation Husky
NENew Zealand - Panama
NGNew York - GuantanamoFrom August 1942
NKNew York - Key WestFrom May to August 1942 from Hampton Roads, from August - New York
NPClyde/Scapa Flow - NarvikApril 1940. Military
NSNorth Africa - Naples
OAOutward Bound to North AmericaSeptember 1939 to July 1940 from South Ireland. July 1940 to October 1940 from North Channel. Gibraltar section OAG till July 1940. From October 1940 OB only
OBLiverpool - North AmericaFrom September 1939 to July 1940 from Bristol Channel. From July 1940 from North Channel. July 1941 merged with ONF and ONS. Gibraltar section OBG until July 1940
OCAustralian coastal1943.
OGUK - GibraltarFrom October 1939 to August 1942 and from May to October 1943, then KMS. Until July 1940 from South of Ireland then from North Channel. Combined with KMS July 1943 and for a short time with OGF.
OLMersey/Clyde - OutwardFrom September 1940 to October 1940. Large passenger liners only
ONMethil - BergenFrom November 1939 to April 1940
ON(F)UK - North AmericaFrom July 1941 fast convoys for former OB. From September 1944 from South of Ireland. From August 1944 final destination shifted from Halifax to New York.
ONSUK - North AmericaFrom July 1941, slow convoy for OB. From September 1942 to 1943 final destination New York. From September 1944, South of Ireland. From March 1943 new number to avoid confusion with ON
OSUK - FreetownFrom July 1941 to September 1942, then again from February 1943. From April 1943 off Gibraltar together with KMS
OTNew York - Caribbean - Northwest AfricaFrom February 1943 to June 1944, tankers
PAPersian Gulf - AdenFrom September 1943
PGPanama - GuantanamoFrom July 1942 to September 1943
PGAustralian coastal1943.
PKPilottotown, Miss - Key WestFrom August 1942
PKPetsamo - Kola FjordeFrom November 1944. Russian convoys
PQIceland - North RussiaFrom September 1941 to December 1942 then as JW
PWPortsmouth - Bristol ChannelFrom July 1941
QPNorth Russia - IcelandFrom September 1941 to December 1942 then as RA
QSQuebec - SydneyFrom 1942
RAKola Fjord - Loch EweFrom December 1942 for former QP. Russian feeder convoys BK.
RBSt Lawrence - UKFrom September 1942. Transfer of passenger ships from Great Lakes to UK
RSGibraltar - BrestFrom October 1939 to June 1940. French
RSGibraltar - Sierra LeoneFrom February 1943
RUReykjavik - UK
SBrest - CasablancaFrom 1939 to June 1940. French
SBMalta - SicilyFrom July 1943. Invasion convoys for Operation Husky. Subdevided into SBF - Malta and SBM, SBS - Sfax
SCSydney, NS - UKFrom August 1940 to May 1944, and again from October 1944.September 1942 to March 1943 assembly at New York, then Sydney again.
SGUK coastal
SGSydney, NS - GreenlandFrom 1942.
SLSierra Leone(Freetown) - UKFrom September 1939 to October 1942 and again from March 1943. Off Gibraltar linked with MKS
SNNaples - North African portsFrom 1943. Fast (SNF)
SQSydney, NS - QuebecFrom 1942.
SRSierra Leone - GibraltarFrom February 1943
STFreetown - TakoradiFrom December 1941. Later FL and FT
SWSuez - Durban/CapetownFrom 1940. WS on return.
TAUK - USAFrom March 1942. Military convoys, combined with AN
TAGTrinidad - Aruba - GuantanamoFrom August 1942. Former TAW
TAMTrinidad - Aruba -???
TAWTrinidad - Aruba - Key WestFrom July to August 1942 then TAG
TBUSA - Sydney (Aust)From January 1942, military convoys
TBTrinidad - BahiaFrom December 1942 to July 1943 then TJ
TBCUK coastalFrom 1944. Invasion convoys
TCCanadian Troop ConvoyFrom 1939 to 1940
TETrinidad - eastwardFrom November 1942
TFTrinidad - FreetownFrom November 1942 to July 1943
TEGibraltar - North African portsFrom November 1942
TGUK coastal
TJTrinidad - Rio de JaneiroFrom July 1943. Former TB
TJTunisia - SicilyJuly 1943. Invasion convoy for Operation Husky with TJF, TJM and TJS
TMTyne - MethilFrom February 1940
TMTrinidad - GibraltarFrom January 1943. Tanker convoy for Operation Torch
TONW Africa - Caribbean - USAFrom February 1943 to June 1944. Tankers.
TRTrinidad - RecifeNovember 1942. One convoy only, then TB
TSTakoradi - FreetownFrom August 1942. From April 1942 LS
TSTripoli - TerminiSeptember 1943. Invasion convoys for Operation Avalanche with TSF and TSS
TUUK - USAFrom September 1943. Military
TXTripoli - AlexandriaFrom February 1943
UCUK - CaribbeanFrom February 1943. Special tanker convoys
UGFUSA - GibraltarFrom October 1942(fast) Initially invasion convoys Operation Torch then ports in North Africa
UGSUSA - GibraltarFrom October 1942(slow) as per UGF
URLoch Ewe (later Belfast) to Reykjavik (Iceland)
USAustralia - Middle EastFrom January 1940. Military
UTUSA - UKFrom August 1943. Military
VAVilkizky - DiksonFrom July 1943. Russian
VDVilkizky - DiksonFrom July 1943. Russian
WATKey West - Aruba - TrinidadFrom July to August 1942. Then GAT
WEPIsle of Wight to CherbourgDec 1944.
WNLoch Ewe - MethilFrom July 1940.
WPBristol Channel - PortsmouthFrom July 1941.
WSUK - Middle East"Winstons Specials" From June 1940 to August 1943 mostly via Capetown. A few in Sept/41, June/42 and Aug/42 via the Mediterranean
XLe Verdon - CasablancaFrom September 1939 to June 1940. French
XBHalifax - BostonFrom April 1942
XCChagos - Maldives - ColomboFrom May 1940
XKGibraltar - UKFrom October 1942. Special convoys for Operation Torch
XSLe Verdon - MediterraneanFrom September 1939 to June 1940. French
XTAlexandria - TripoliFrom January 1943
XTGAlexandria - Tripoli - GibraltarFrom June 1943
ZCPanama Canal - CuracaoFrom August 1942
ZGPanama Canal - GuantanamoFrom September 1942. Former PG
MVSNo information
VWPNo information
WEGUK coastalVarious local coastal convoys

Main Contributors[edit]

Initially completed by Benjidog on 26 August 2007 from various internet sources. It should be noted that there may be errors and omissions in this list as the sources do not all agree. Anyone having better information is invited to update this page.
 
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