Voltige en hélicoptère: pousser les limites

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Photos et vidéos

http://www.flyingmag.com/aircraft/extreme-flying-how-modern-fliers-are-busting-limits
 
[youtube https://www.youtube.com/watch?v=mQT26oxOG4c&w=560&h=315]
 
[youtube https://www.youtube.com/watch?v=aoWQd8pcvek&w=420&h=315]