File:Oemichen2.jpg

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DescriptionOemichen2.jpg	English: Étienne Oehmichen Helicopter No. 2, 1923-1924. On May 4 1924, it was the first helicopter to fly on the distance of one kilometer (0.6 mile) in a closed-circuit, landing at his starting point. Français : L'hélicoptère N°2 d'Étienne Œhmichen, 1923-1924. Il est le premier à réaliser un vol d'1 km en circuit fermé le 4 mai 1924.
Date	1924
Source	Public domain
Author	Unknown authorUnknown author

File:Oemichen2.jpg

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