 After Charles Lindbergh crossed the Atlantic from West to East in May 1927, the idea of flying in the opposite direction, which is more difficult because of the prevailing winds, became more and more popular.In 1927, Ehrenfried Günther Freiherr von Hünefeld bought two Junkers W 33 aircraft from the Junkers company in Dessau, naming them after the two Norddeutscher Lloyd flagships and .His plans were supported by Hugo Junkers.