Amelia Earhart of Earhart's interests and passions, especially women's causes. After flying with Earhart, Roosevelt obtained a student permit but did not further pursue her plans to learn to fly. The two friends communicated frequently throughout their lives. Another famous flyer, Jacqueline Cochran, who was considered to be Earhart's greatest rival by both media and the public, also became a confidante and friend during this period. On January 11, 1935, Earhart became the first aviator to fly solo from Honolulu, Hawaii to Oakland, California. Although this transoceanic flight had been attempted by many others, notably by the unfortunate participants in the 1927
Amelia Earhart engine and altitude settings for the Electra. One of the recommended schedules was: Earhart used part of the above schedule for the Oakland to Honolulu leg of the first world flight attempt. Johnson estimated that 900 gallons of fuel would provide 40% more range than required for that leg. Using 900 gallons was 250 gallons less than the Electra's maximum fuel tank capacity; that meant a weight savings of , so Earhart included Mantz as a passenger on that leg. The Oakland to Honolulu leg had Earhart, Noonan, Manning, and Mantz on board. The flight from Oakland to Honolulu took