'TS' (i) was the designation of Allied convoys (together with a numerical suffix) plying the route from Takoradi, Gold Coast, to Freetown, Sierra Leone, as successor to the short-lived 'LS' series started in April 1942, and as such reciprocals of the 'ST' (ii) series (August 1942/April 1945).

The first of these convoys was TS.14 of 12/19 August 1942 with the 4,875-ton British Camerata, 4,765-ton British Chateauroux, 5,277-ton British Dahomian, 5,013-ton David Livingstone, 6,736-ton US Examiner, 6,574-ton British New Columbia, 1,365-ton British Pinzon and 2,648-ton British Rapidol, escorted by the British destroyer Velox, British ocean boarding vessel Corinthian, British corvette Snowdrop and Free French corvette Commandant Drogou. The last was TS.68 of 13/18 April 1945 with the 3,664-ton French Charles Schiaffino, 4,376-ton French Fauzon and 7,168-ton British Fort Saleesh.