 In March 1910 Josef met Géo Chavez at Camp de Châlons, France and learnt to fly on a Farman plane from him.By 12 April in the same year, he is registered with licence N°7, becoming one of the first 11 pilots registered at the "Aéro-Club de Belgique" (Aero Club of Belgium).On 14 March 1911, Josef received much enthusiasm and assistance from the British Colonial Government in Singapore.