| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Code |
Notes |
| A. | August 1943. C. in C. Levent 261936 August, 1943. |
| A.B. | Aden-Bombay. (A.B.1 arrived 6.10.1942.) (The first A/S escorted A.B. convoy was A.B.15, sailed 1st October, 1943) |
| A.B.F | Aden-Bombay (Military) (C. in C.E.F. 0716/19/8/1944) |
| A.C. | West going between Egyptian and Western Desert ports. (Obsolete) A.C.1 left Alexandria for Benghazi. 14.2.1941 |
| A.F. | Aden to dispersal by Gulf of Aden North Lane (never used) |
| A.G. | Aden to dispersal by Gulf of Aden South Lane (used only once) |
| A.G. | Alexandria to Greece. (Obsolete) |
| A.H. | Augusta - Heel of Italy, 1943 (Amended) |
| A.H. | Curacao-Halifax (C. in C.U. S.Fleet 1610Z/9/6/1942 and N.S.H.Q. Ottawa 1914Z/17/6/1942). A.H.1 sailed 27.7.1942 |
| A.J. | Aden - Colombo and Far East. (C. in C.E.I. 1314Z/9/1/42, C. in C.E.F.0723/14/3/43, AM.2024A/15/3/1943). |
| A.K. | Aden-Kilindini. (Cdr. Aden, 0905Z/8/9/1942) |
| A.K.D. | Aden-Kilindini-Durban. (C. in C.E.F. 2315S1Z Sept. 1943) A.K.D.2. (apparently the first A/S escorted convoy) sailed 30/3/43) (In 1944 replaced H C Convoys) |
| A.M. | Chittagong-Madras. (A.M.I. sailed 5.3.1944) Also Mediterranean local (obsolete) |
| A.N. | Alexandra to Piraeus. (AN. 10-12/12/1940, S.B.N.O. (Aegean North) Suez Canal Area 1985/12). Obsolete |
| A.N. | Admiralty Islands - New Guinea. |
| A.P. | U.K. to Middle East. (Not after 1940 - only AP.1,2 and 3 run). (Special after entry of Italy into the war) |
| A.P. | Middle East, Aden or East Africa and Persian Gulf. (D.C. in C.E.F. 0949Z/15/8/1942). (A.P.1 = 20.8.42) |
| A.R.M. | Converse of AM. (Mediterranean Local) (obsolete) |
| A.S. | Piraeus to Alexandria. (Obsolete (Aegean South) |
| A.S. | Charleston (Va.) to Basra. Started May 1942. (US. personnel) |
| A.S. | Not a regular convoy. New York - Ascension via Recife will join W.S.21P. |
| A.S. | USA to Freetown (Military) |
| A.T. | Alexandria to Tobruk. (A.T.1 see 1848/21/11/41). ('Monsters'. USA-UK (Military). |
| A.T. | Later this title was given to ships from Alexandria unable to maintain speed of main westbound through-Med convoys (C. in C Levant 2502290 August 1943), sailing every 10 days: but amended to XT vide Admiralty 251152A |
| A.T. | Antwerp-Thames (1945) |
| A.W. | Aruba-Curacao. |
Data obtained from The National Archives kindly provided by Roger Hollywood.