Convoy Identification Codes
AB Two "one off" convoys of early date (one from August 1939!).
AB Commenced in Sept 1942, Aden to Bombay
ABF The Fast, i.e. troopship, successor to AB, Aden to Bombay.
AC A 1941 series, Alexandria to Cyrenaica i.e. Tobruk.
AG Alexandria to Greece, a 1941 series.
AH Aruba to Halifax, a brief tanker series in 1942.
AH Augusta to Heel of Italy, post Sept 1943.
AJ Aden to Colombo. "J" probably refers to Jaffna.
AK Aden to Kilindini, commenced in 1942.
AKD Aden to Kilindini and Durban.
AM Chittagong to Madras.
AN Aegean Northward, i.e. Alexandria to Piraeus 1940 & 1941.
AN Admiralty Islands to New Guinea. (troop convoys UK to Egypt in mid 1940).
ARG Boston to Argentina--USN convoys.
ARM A local Mediterranean code, little used.
AS Aegean Southward, i.e. Piraeus to Alexandria 1940 & 1941.
AS America to Suez, convoys New York to Suez via Freetown in 1942.
AT Alexandria to Tobruk commencing late 1941.
AT USA to UK troopship series 1942-45.
ATM Antwerp to Thames, a late 1944 & 1945 series.
AW Aruba to Curacao (Willemstad) local tanker traffic.
BA Bombay to Aden, reversal of AB.
BAF Bombay to Aden Fast, troopships, reverse of ABE.
BE Belfast to Bristol Channel 1940 to 1943.
BE Clyde to Bristol Channel 1945.
BC Beira to Durban, probably coded as Beira-Cape.
BC Bristol Channel to Biscay, outward & return carried same number.
ED White Sea to Dikson Sept 1943 onward, new numbers each year.
BEC The retitled EBC series--qv.
BF Bahia, Brazil to Freetown, a US series from 1943.
BG A Pacific series, Milne Bay to New Guinea.
BG A Pacific series, Brisbane to Gladstone.
BHX Bermuda to rendezvous with the same number HX convoy.
BK A little used Bombay to Karachi series in 1943.
BK White Sea to Kola Inlet Sept 1943 onward, new numbers each year.
"Blue" The early Port Said to Gibraltar convoys of 1939.
BM Bombay to Singapore to Jan 42 then Bombay-Colombo traffic.
BN Bombay Northward, (Bombay to Suez, then Aden to Suez), 1940-41.
BN A later, Pacific, series, New Britain to New Guinea.
BP Bombay to Persian Gulf.
BRN Bahia, Brazil, Recife Northward.
BS Suez to Aden late 1940 and early 1941.
BS A brief Canadian series Corner Brook to Sydney CB.
BS French convoys Brest to Casablanca 1933-40.
BT Bahia, Brazil to Trinidad commenced Jan 1943.
BT Sydney NSW to USA troop convoys 1943-44.
BT Brisbane to Townsville.
BTC Bristol Channel to Thames 1944-45.
BV A Pacific series, Brisbane to Townsville.
BW Sydney CB to St John's NF commenced 1942.
BX Boston to Halifax.
BZ Proposed Bombay-Kilindini-Aden series, not used.
C Colombo to dispersal, 1942 series.
CA Capetown southward to dispersal.
CB Durban to Beira.
CD Capetown to Durban.
CE Channel Eastward i.e. St Helens Roads to Southend.
CF Capetown to W. Africa and UK, a little used series.
CF Colombo to Fremantle, occasional use only.
CG Casablanca to Gibraltar.
CH Chittagong to Calcutta.
CJ Calcutta to Colombo.
CK Havana (Cuba) to Key West.
CK Charleston SC to UK, rarely used 1944 series.
CL St John's NF to Sydney CB.
CM Capetown Military, Capetown - Kilindini -Aden
CN Capetown Northward to dispersal.
CNF Special designation for Sicily invasion.
CO Newcastle, NSW to Melbourne & Adelaide in 1942.
COC Late 1944 early 1945 Plymouth to Brittany series.
CP Curacao to Panama, 1942 series.
CRD Casablanca to Dakar.
CT UK to Canada troopship series in 1941.
CT Corsica-Sardinia-Bizerta series in 1944.
CU Curacao-UK tanker series, New York to UK after CU 3,
CV Cyrenaica to Valetta, rarely used, 1944.
CW Cristobal to Key West.
CW Channel Westward i.e. Southend to St Helens Roads.
CX Colombo to Addu Atoll, both outward and return passages .
CZ Curacao to Cristobal (Canal Zone).
D Dakar to Casablanca.
DB Dikson to White Sea from 1942, new numeration for each year.
DBF Dakar-Bathurst-Freetown, 1943 series.
DC Durban to Capetown.
DF Clyde to Faroes, military ferry service.
DG Thursday Island to Merauke, New Guinea.
DK Durban to Kilindini.
DKA Durban-Kilindini-Aden .
DLM Durban to I,ourenco Marques.
DM Durban to Malaya, 1941-42, three convoys only.
DN Durban Northwards to dispersal.
DR Dakar to Gibraltar, 1944 series.
DRC Dakar to Casablanca.
DS Clyde to Reykjavik, military ferry service.
DSF Dakar to Freetown.
DSL Dakar to Freetown & Lagos.
DSP Dakar to Freetown & Pointe Noire.
DST Dakar to Freetown & Takoradi.
DT Danuin to Thursday Island.
DWI Dutch West Indies to UK, proposed in 1943, not used.
E Trinidad to dispersal southward.
EBC Bristol Channel coastal convoy to France June to Oct 1944.
EBM Bristol Channel MT convoy to France June 1944.
EC Southend to Oban via Firth of Forth, 1941.
ECM Falmouth to France June/early July 1944.
ECP Portland & Solent Personnel convoys to Seine Bay June to Oct 1944.
EMM Two convoys Belfast to France June-July 1944.
EMP Two personnel convoys Belfast to France July 1944.
EN Methil to Oban via Loch Ewe .Two series, interrupted by EC.
EPM Portland to France via Solent MT convoys July to Sept 1944.
EPP Portland to France via Solent personnel convoys July to Sept 1944.
ET North Africa to Gibraltar, Nov 1942 to early 1943.
ETC Thames to France coaster convoys June to Oct 1944.
ETM Thames to France MT convoys June to Oct 1944.
EWC Spithead to Normandy beaches, coaster convoys June 1944
EWL Isle of Wight to France convoys, mainly landing ships & craft June 1944.
EWM Isle of Wight to France MT convoys Sept and Oct 1944.
EWP Isle of Wight to France personnel convoys.
EXP June to Oct 1944 invasion series.
FB Freetown to Bahia, Brazil.
FBC Seine Bay to Bristol Channel coaster convoys June to Oct 1944.
FD Faroes to Clyde, military ferry.
FC France to W of England convoy series June-July 1944.
FCP France to W of England personnel convoys June-July 1944.
FFT Freetown to Trinidad 1942 to 1943.
FG Fremantle to Adelaide, 1942 onward.
FH Saint John NE to Halifax, late 1942 onward.
FJ Florianopolis to Rio de Janeiro.
FM Milne Bay to Port Moresby.
FN Forth North, Thames to Firth of Forth 1939 to 1945.
FP Troop convoys to Norway Apr/May 1940.
FPM France to Portland MT convoys, invasion series.
FPP France to Portland personnel convoys July-Aug 1944.
FS Forth South, Firth of Forth to Thames 1939 to 1945.
FSD Freetown to Dakar, small craft 1944.
FTC France to Thames coaster convoys 1944.
FTM France to Thames MT convoys 1944.
FWC France to Isle of Wight coaster convoys June 1944.
FWL France to Isle of Wight landing craft convoys 1944.
FWM France to Isle of Wight MT convoys June-July 1944.
FWP France to Isle of Wight personnel convoys June-Sept 1944.
FXP France to UK invasion series June to Oct 1944.
G Guantanamo to San Juan PR.
GAT Guantanamo-Aruba Trinidad.
GB New Guinea to Milne Bay.
GC Gibraltar to Casablanca.
GD Merauke to Thursday Island.
GF Adelaide to Fremantle.
GI New Guinea to Philippines.
GJ Guantanamo to Kingston, Jamaica.
GK Guantanamo to Key West.
GM Gibraltar to Malta.
GM Galveston to Mississippi.
GN Guantanamo to New York City.
GP Guantanamo to Panama.
GP Sydney NSW to Townsville and Brisbane.
"Green" Gibraltar to Fort Said, late 1933.
"GREYBACK" Dieppe-Newhaven ferry service.
GS Greenland to Sydney CB or St John's NE
GS Humber (Grimsby) to Southend 1940.
GT Gladstone to Townsville.
GTX Gibraltar-Tripoli-Alexandria 1943 only.
GUF Oran or Naples to USA Fast.
GUS Port Said to USA Slow.
GZ Guantanamo to Canal Zone 1942 onward.
HA Halifax to Curacao 1942 only.
HA Heel of Italy to Augusta 1943 onwards.
HE Troop convoys Australia to India 1945.
HC Calcutta to Chittagong.
HF Halifax to Saint John, NE.
HG Homeward from Gibraltar 1933-42.
HGF Homeward from Gibraltar Fast.
HHX Halifax ships joining HX convoys which originated at New York.
HJ Halifax to St John's, NE
HK Galveston (Houston) to Key West.
HM Holyhead to Milford Haven.
HN Homeward from Norway i.e. Bergen to Methil 1939-40.
HON Ships joining, from Halifax NS, a NYC-bound ON convoy.
HP Heel of Italy to Piraeus.
HS Halifax to Sydney CB.
HT Halifax to Trinidad preceded HA.
HX Halifax to UK, later New York City to UK.
HXA English Channel section of HX 1933-40 & 1944-45.
HXF Halifax to UK, Fast 1933-40 only.
IG Philippines to New Guinea.
IXF Italy (Taranto & Naples) to Alexandria & Port Said.
JA Colombo to Aden.
JC Colombo to Calcutta.
JF Rio de Janeiro to Florianopolis.
JG Kingston, Jamaica to Guantanamo.
JH St John's NF to Halifax NS.
JM India to Madagascar via Mombassa 1943 only.
JMG Assault convoy for Malaya Sept 1945.
TN St John's, NF to Labrador.
JR Rio de Janeiro to Recife.
JS Colombo to Singapore Nov 41 to Feb 42.
JT Rio de Janeiro to Trinidad, 1943-45.
JW UK to North Russia. Replaced PQ.
K Casablanca to Brest, sometimes suffixed F or S.
KA Kilindini to Aden.
KB Kola Inlet to White Sea, fresh numeration annually.
KM Karachi to Bombay.
KD Kilindini to Durban.
KG Key West to Guantanamo.
KH Key West to Galveston (Houston).
KJ Kingston, Jamaica to UK, 1940, also KJE
KM Kilindini to Diego Suarez (Madagascar).
KMF UK to Mediterranean Fast Nov 1942 onward.
KMS UK to Mediterranean Slow Nov 1942 onward.
KN Key West to New York City.
KP Key West to Pilottown, Mississippi.
KP Karachi to Persian Gulf.
KP Kola Inlet to Petsamo 1944-45, fresh numbers annually.
KR Kilindini to Ceylon.
KR Calcutta and Arakan ports to Rangoon 1945.
KS Key West South, i.e. New York to Key West.
KS Variation on the French K series.
KW Key West to Havana.
KX UK to Gibraltar Oct 42 onward.
LC Sydney CB to St John's NE
LE Levant East i.e. Port Said to Haifa.
LGE Lagos Eastbound, local West African traffic.
LGW Lagos Westbound, local West African traffic.
LM Lagos to Matadi.
LMD Lourenco Marques to Durban.
LN SI Lawrence to Labrador.
LQ Barrier Reef to Brisbane.
LS Lagos to Freetown.
LSD Lagos to Dakar via Freetown.
LTS Lagos-Takoradi- Freetown.
LU Humber to Elbe, May 1945.
LW Levant West i.e. Haifa to Port Said.
MA Mombassa to Aden.
MA Madras to Chittagong 1943.
MB Colombo to Bombay.
MB Port Moresby to Fall River.
MC Aden-Mombassa- Durban- Capetown.
MD Madagascar to Durban, one convoy only.
ME Malta East, i.e. Malta to Alexandria & Port Said.
MF Port Moresby to Milne Bay & Fall River.
MG Malta to Gibraltar.
MG Mississippi to Galveston.
MH Milford Haven to Holyhead.
MK Madagascar to Kilindini.
MKF Mediterranean to UK Fast Nov 1942 onward.
MKS Mediterranean to UK Slow Nov 1942 onward.
MN Mauritius to Seychelles.
MO Marseilles to North Africa.
MR Madras to Rangoon.
MS Melbourne to Singapore Nov 41 to Feb 42.
MS Marseilles to Naples 1944 to 1945.
MT Methil to Tyne 1940 & 1941.
MT Port Moresby to Townsville 1942.
MTC Seine Bay to Southend, replacing FTC.
MTM Seine Bay to Southend, replacing FTM.
MV Milne Bay to Townsville.
MW Malta Westward, Alexandria to Malta.
NA Canada to UK troop convoys.
NA Langemak Bay, New Guinea to Admiralty Islands.
NAP A southbound series, mainly from Dover to France Dec 44.
NE New Guinea to New Britain.
NC Walvis Bay to Capetown 1943.
NCF Fast Sicily invasion convoys 1943.
NCS Slow Sicily invasion convoys 1943.
NE New Zealand to Panama.
NG New York City to Guantanamo.
NJ Newfoundland coast to St John's NE
NK New York City to Key West.
NL Labrador to St Lawrence.
NLY Lingayen/Hollandia/Leyte convoys.
NP Norwegian troop convoys Apr-May 1940.
NP Turkey to Port Said.
NR Norway to Methil, 1945.
NS New Caledonia to Sydney NSW
NSF North African ports to Naples, troop convoys.
NT New Guinea to Townsville.
NV Naples to Augusta.
NYC New York City to UK via Bermuda & E Coast USA ports.
OA Thames to Liverpool, with an Atlantic element 1939 to July 1940.
OA After July 1940, Methil to Liverpool to disperse in North Atlantic.
OB Liverpool outward, usually joined by the OA of same number.
OC Melbourne to Newcastle, NSW.
OG Outward to Gibraltar from UK.
OM Oran to Marseilles, 1944 series.
ON Outward to Norway, Methil to Bergen, in 1939-40.
ON Outward North. Liverpool etc to North America 1941 onwards.
ON(F) Alternate convoys of the ON sequence (see above).
ON(S) Alternate convoys of the ON sequence (see above).
ONS Outward North Slow, Liverpool etc to North America 1943 onwards.
OS Outward Southbound, Liverpool etc to Freetown 1941 onwards.
OSS Southward extension of OS from Freetown.
OT Outward Trinidad. Two series, one local Caribbean, one to North Africa.
OW Outward Westward, Australia-India, numbers re-used.
PA Persian Gulf to Aden.
PB Persian Gulf to Bombay.
PG Brisbane to Sydney NSW.
PG Panama to Guantanamo, 1942 series.
PGE Pointe Noire southward, local traffic.
PH Piraeus to Heel of Italy.
PK Pilottown, Mississippi to Key West.
PN Port Said Northbound to Turkey.
PQ Iceland to North Russia, 1941 and 1942.
PQ Townsville to Port Moresby 1942.
PR Piraeus to Rabbit Island (Dardanelles), 1945.
PAD Pointe Noire-Freetown-Dakar.
PT Paramaribo to Trinidad.
PT Pearl Harbor to Tarawa.
PTS Pointe Noire-Takoradi-Freetown .
PV Melbourne to Townsville.
QL Brisbane to Townsville.
QP North Russia to Iceland 1941-42.
QS Quebec to Sydney CB.
RA North Russia to Iceland, later UK 1942-45. Replaced QP
RE A single convoy of small passenger liners USA to UK 1942.
"Red" Early Gibraltar to Far East convoy.
RJ Recife to Rio de Janeiro.
RK Rangoon to Arakan and Calcutta, 1945.
RK Colombo to Kilindini, 1944.
RM Rangoon-Madras-Colombo, 1945.
RN Methil to Nonvay, May 1945.
RP Dardanelles (Rabbit Island) to Piraeus, 1945.
RS Gibraltar to Freetown 1943.
RT Capetown to Freetown, 1941.
RT Recife to Trinidad, 1943.
RU Reykjavik to Loch Ewe, later Belfast. 1941-45.
SB Sydney CB to Corner Brook from 1942.
SBF Assault convoys for Sicily invasion.
SBM Assault convoys for Sicily invasion.
SC Sydney CB later Halifax or New York to UK. Commenced 1941.
SD Iceland to Clyde, military ferry service.
SD Seychelles to Diego Suarez, 1944.
SG Southend to Humber (Grimsby) 1940.
SG Sydney CB later St John's NF to Greenland, 1942 onwards.
SH Sydney CB to Halifax.
SHX Sydney CB component joining HX convoys.
"SILVERTIP" Newhaven-Dieppe ferry service.
SJ San Juan PR to Guantanamo.
SJ Singapore to Colombo, Nov 41 to Feb 42.
SJ Santos to Rio de Janeiro.
SL Freetown to UK.
SLF Freetown to UK Fast.
SLS Freetown to UK Slow.
SM Batavia to Fremantle, Dec 41 to Feb 42.
SM Naples to Marseilles, 1944.
SN Sydney NSW to New Caledonia.
SNF South from Naples, Fast troopships Naples to North Africa.
SQ Sydney CB to Quebec.
SR Sandheads (Calcutta) to Rangoon 1941-42.
SR Freetown to Gibraltar 1943-44.
ST Freetown to Takoradi.
ST Sydney NSW to Townsville 1')43.
STC Freetown-Takoradi-Capetown .
STP Freetown-Takoradi-Pointe Noire.
STW Freetown-Takoradi-WaIvis Bay.
SU Suez to Australia 1940-41.
SV Sydney NSW to Townsville.
SW Suez to Mombassa or Durban, 1940-41.
T Hollandia to Manila.
TA UK to USA, large troopships.
TA Tobruk to Alexandria.
TAC Thames to Ostend 1945.
TACA Thames to Antwerp, later retitled TAM.
TAG Trinidad-Aruba-Guantanamo 1942 onwards.
TAM Thames to Antwerp Military, retitled from TAC qv.
TAP Thames to France 1945.
TAW Trinidad-Curacao-Key West 1942.
TB Trinidad to Bahia, Brazil.
TBC Thames to Bristol Channel, 1944-45.
TC Troops from Canada, troop convoys to UK 1933-41.
TC Tunisia to Corsica, 1943-44.
TCU Occasional CU convoys containing troopships.
TD Thursday Island to Darwin.
TD New Zealand to Northern Australia.
TE Trinidad Eastward to dispersal.
TE Torch Eastward, Gibraltar to North Africa 1942-43.
TF Trinidad to Freetown.
TG Trinidad to Guantanamo.
TGE Takoradi, Lagos Eastward to dispersal.
TH Trinidad to Haiifax 1942.
TJ Trinidad to Rio de Janeiro.
TJF Assault convoys for Sicilian invasion.
TJM Assault convoys for Sicilian invasion.
TJS Assault convoys for Sicilian invasion.
TM Norwegian troop convoys Apr-May 1940 only.
TM Trinidad to Mediterranean 1942.
TMC The retitled ETC series-qv.
TMM The retitled ETM series-qv.
TN TownsviIle to New Guinea.
TO North Africa to Caribbean.
TO Trinidad to Curacao.
TP Troop convoy from Norway to UK May 1940.
TP Trinidad to Paramaribo.
TP Tarawa to Pearl Harbor.
TR Trinidad to Recife.
"TRINIDAD" Trinidad to dispersal southeast.
TS Takoradi to Freetown.
TS Townsville to Sydney NSW & Brisbane.
TSF Assault convoys for Naples landings.
TSM Assault convoys for Naples landings.
TSS Assault convoys for Naples landings.
TU UK to USA military convoys, reversal of UT.
TV Tripoli (Libya) to Valetta.
TX Tripoli (Libya) to Alexandria.
UA UK to Azores, three convoys to occupy the islands in 1943.
UC UK to New York, reversal of CU. Occasionally a T suffix.
UGF USA to Gibraltar, later Naples, started Nov 1942.
UGL USA to Gibraltar, landing craft convoys.
UGS USA to Gibraltar, later Port Said Nov 42-May 45.
UL Elbe to Humber post May 1945.
UR Loch Ewe (later Belfast) to Reykjavik (Iceland),
US Australia to Suez. US 3 diverted to UK via Cape.
UT USA to UK troop convoys 1943-44.
VB Townsville to Brisbane.
VC Valetta to Cyrenaica 1943-44.
VK Sydney NSW to Wellington.
VN Augusta to Naples, also used for Malta to Naples, late 1944 Naples to Leghorn
VS Townsville to Sydney NSW.
VT Valetta to Tripoli, Libya.
WA Curacao to Aruba. Oct to Dec 1944 invasion series.
WAT Key West- Curacao-Trinidad.
WDC Sept to Dec 1944 invasion series.
WEC Isle of Wight to France Dec 1944 to May 1945.
WEL Isle of Wight to France, landing craft 1944-45.
WEP Isle of Wight to Cherbourg series, Dec 1944.
WFM Oct and Nov 1944 invasion series.
WMP Isle of Wight to Arromanches Nov & Dec 1944.
WN Clyde, Oban & Loch Ewe to Firth of Forth.
WNC Isle of Wight to Havre Dec 1944 to May 1945.
WNL Isle of Wight to France Apr to May 1945.
WO India to Australia troop convoys.
WP Wales-Portsmouth i.e. Milford Haven to Solent.
WS Wabana to Sydney CB.
WS UK to Suez and Bombay, troop convoys 1940-43.
WTS Walvis Bay-Takoradi-Freetown.
WVP Isle of Wight to France Dec 1944 to May 1945.
WX Western Desert ports to Alexandria.
XB Halifax to Boston.
XIF Alexandria & Fort Said-Italy (Taranto & Naples).
XK Gibraltar to UK.
XT Alexandria to Tripoli (Libya).
XTG Alexandria-Tripoli-Gibraltar 1943 only.
XW Alexandria to Western Desert ports.
ZC Cristobel to Curacao.
ZG Cristobel to Guantanamo.
ZT New Zealand to Sydney NSW.