Snowbird – Canadian human-powered plane that flaps its wings almost as described in Leonardo da Vinci’s sketches!
Snowbird ornithopter
Canadian snowbird – First human-powered ornithopter, a plane that flies by flapping its wings!
COURS d’ANGLAIS de l’AVIATION – Niveau 4, 5 et 6 OACI fclanglais.fr
Préparation aux PLS Anglais de la Certification Otan – Examens Oraux Blancs: PLS 4444, PLS 3333, PLS 2222 fclanglais.fr
