Atterrissage court : vidéo

[youtube https://www.youtube.com/watch?v=XR3NWSN9nb8&w=560&h=315] [youtube https://www.youtube.com/watch?v=yw4UmIi4sbQ&w=560&h=315] Glissade [youtube https://www.youtube.com/watch?v=l2CQGLcPSGY&w=560&h=315]…