[youtube http://www.youtube.com/watch?v=O7rT9Qnlt8Y&w=1280&h=720]
La tendance « verticale » est-elle une bulle ?
https://www.aerobuzz.fr/breves-helicoptere/bell-helicopter-devoile-taxi-aerien/ http://www.aerovfr.com/2018/05/pipistrel-se-met-a-levtol/ https://www.flightglobal.com/news/articles/embraer-reveals-evtol-concept-448429/ [youtube https://www.youtube.com/watch?v=isLm0v_PhBE&w=560&h=315]…