Fred Noonan an interest in starting a navigation school. In March, he divorced his wife, Josie, in Ciudad Juárez, Mexico. Two weeks later, he married Mary Beatrice Martinelli (born Passadori) of Oakland, California. Noonan was rumored to be a heavy drinker. That was fairly common during this era and there is no contemporary evidence Noonan was an alcoholic, although decades later, a few writers and others made some hearsay claims that he was. Amelia Earhart met Noonan through mutual connections in the Los Angeles aviation community and chose him to serve as her navigator on her World Flight in the Lockheed Electra
Amelia Earhart the flight was arranged around Earhart's intention to circumnavigate the globe along with gathering raw material and public attention for her next book. Earhart chose Captain Harry Manning as her navigator; he had been the captain of the , the ship that had brought Earhart back from Europe in 1928. Manning was not only a navigator, but he was also a skilled radio operator who knew Morse code. Through contacts in the Los Angeles aviation community, Fred Noonan was subsequently chosen as a second navigator because there were significant additional factors that had to be dealt with while using celestial