Fiedler built his aircraft in Wiener Neustadt, Austria. His 60 hp Mercedes D4F engines sponsored by the Princess of Fürstenberg, Fiedler’s employer as a teacher. In December 1910 he received his Austrian pilot’s certificate #19 with his second machine at the Steinfeld in Wiener Neustadt.
In early 1911 Fiedler went to Germany to show his new craft and skills to his benefactors – where he had a first big mishap while crossing the upper Lake Constance/Bodensee.
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