British unarmed tanker Helka bound for Fedala according to a letter of the German naval attaché at Istanbul dated 22 December 1939

In his letter dated Istanbul,  22 December 1939 No. 575g reported the German naval attaché to the Oberkommando der Wehrmacht Abteilung Ausland the steamships passing Istanbul, loaded with contraband for the enemy. An item reported on 19 December the British unarmed tanker Helka loaded with 4,800 ton gasoline bound for Fedala [Mohammedia, Morocco?].

Source

Bundesarchiv. German Marineattaché for , Greece, Romania and Bulgaria 1939-1941. RM 12-II/459.