'Bansin' was the German naval convoy programme for the delivery of reinforcements and supplies from Feodosiya in eastern Crimea across the Strait of Kerch to Anapa in the lodgement of Generaloberst Richard Ruoff’s (from 24 June Generaloberst Erwin Jaenecke’s) 17th Army in Kuban (June/September 1943).
The operation was generally successful as the Soviets lacked the air superiority required to make decisive aircraft attacks, the flat-bottomed ferry barges were relatively immune to the torpedo attacks of Soviet submarines, and the Axis escort forces were generally able to drive off the attacks of Soviet gunboats and motor torpedo boats.