 Having booked, and then cancelled, passage home for himself and his aircraft several times, it was only then that he decided to continue the flight around the world.Having been advised not to fly over Indochina, he travelled by ship to Shanghai, China, and then flew to Nanking.From there Koenig-Warthausen sailed east to Kobe, Japan, where he spent ten days, and, after another three weeks in Tokyo, he sailed for the United States from Yokohama on the "Siberia Maru", arriving in San Francisco via Honolulu on 8 June.