German lighter Elena Leventis lying at Feodosia, Crimea on 3 March 1943

In his letter dated Bucharest, Romania 3 March1943 to the Reichskommissar dealing with the position of the tugs and lighters in Russian waters on that same day mentioned the Seetransportchef at Feodosia, Crimea the lighter Elena Leventis.

Source

High Command of the Kriegsmarine (OKM). Case 227. Website