 Trippe decided to start a service from San Francisco to Honolulu and on to Hong Kong and Auckland following steamship routes.After negotiating traffic rights in 1934 to land at Pearl Harbor, Midway Island, Wake Island, Guam, and Subic Bay (Manila), Pan Am shipped $500,000 worth of aeronautical equipment westward in March 1935 using the "North Haven", a 15,000 ton merchant ship it chartered for the purpose of provisioning each island that the clippers would stop at on their 4 to 5-day flight.Pan Am ran its first survey flight to Honolulu in April 1935 with a Sikorsky S-42 flying boat.