ADM 237 CONVOYS - Short Titles - Alphabetical List.
Additional Finding Aid to ADM 199 and ADM 237

 

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

O.

Code
Notes
O.A.Thames - Western Approaches. (Outward Atlantic)(East O.A.234, sailed 24.10.1940)
O.B.Liverpool - Western Approaches (Outward Atlantic), (Superseded, D.T.D. 0019B/15/7/41)
O.C.Melbourne - Newcastle (N.S.W.)
O.G.U.K. - Gibraltar (including sections for South Atlantic ports) 7> knots. (Deleted D.T.D. 1252B/8/8/41).
O.M.Oran and Algiers - French Mediterranean Ports.(C. in C. Med. 151218 October, 1944)
O.NMethil - Bergen, (Outward Norwegian) (Obsolete 1940)
O.N.Outward Northbound. (U.K. to North America) 9 knots.(D.T.D. 0019B/15/7/41). (Superseding O.B.)
O.N.(S)Outward Northbound (U.K. to North America) 7> knots and South Atlantic ports, (After 19.9.1941 = odd numbered convoys)(DT.D. 1252B/8/8/41).
O.N.A.Ships for and from south and east U.K. ports for and from O.N. Convoys.
O.S.Southbound U.K. to W.Africa including sections for West Indies and South Atlantic ports. (D.T. D.0019B/15/7/41). Temporarily discontinued 29.9.1942. Resumed with O.S.43 on 15.2.43. (Slow)
O.S.S.Indicates portion of O.S. proceeding south of Sierra Leone.
O.T.Curacao and Aruba - Trinidad. Abolished when W.A.T. started.
O.T.Resumed with O.T.1 on 5.2.1943 as fast tanker convoys from Gulf or Caribbean to and from North West Africa. (Connav 2053A/26/1 /43, Cominch. (CAR.) 1535/30/1/43). Cancelled after O.T.15 (Cominch 2047/3/6/44).
O.W.Overseas from Melbourne, westbound. (To Colombo and Persian Gulf).
O.W.Australia - India; (O.W.1 Melbourne - Calcutta (2.2.1945)

Note:
O.G., O.N., also indicate Liverpool sections before R/V with other sections.
(R), (M), (O) and (U) after 'O' convoys indicate Clyde, Milford Haven, Oban and Loch Ewe sections.
O.S. also indicates Liverpool sections before R/V with other sections.

Data obtained from The National Archives kindly provided by Roger Hollywood.