The Southern Cross is a Fokker F.VIIb/3m trimotor monoplane that was flown by Australian aviator Charles Kingsford Smith, Charles Ulm, Harry Lyon and James Warner in the first-ever trans-Pacific flight to Australia from the mainland United States, a distance of about , in 1928. History The Southern Cross began life as the Detroiter, a polar exploration aircraft of the Detroit News-Wilkins Arctic expedition. The aircraft had crashed in Alaska in 1926, and was recovered and repaired by the Australian expedition leader, Hubert Wilkins. Wilkins, who had decided the Fokker was too large for his Arctic explorations, met with Kingsford Smith and Charles Ulm in San Francisco and arranged to sell them the aircraft, without engines or instruments. Having fitted the aircraft with engines and other required parts, Kingsford Smith made two attempts at the world endurance record in an attempt to raise funds and interest for his trans-Pacific flight. However, after the New South Wales government withdrew its sponsorship of the flight, it looked as if the money would run out and Kingsford Smith would have to sell the Southern Cross. The aircraft was bought by American aviator and philanthropist Allan Hancock, who then loaned it back to Kingsford Smith and Ulm. The three Wright Whirlwind engines were funded by Melbourne businessman Sidney Myer. Trans-Pacific flight On 31 May 1928, the crew—Charles Kingsford Smith, Charles Ulm, and Americans Harry Lyon (navigator) and James Warner (radio operator)—took off from Oakland, California, United States. The Southern Cross stopped for rest and refuelling in Hawaii before setting off for Fiji. This leg of the journey took hours of flight across open seas before gliding past the Grand Pacific Hotel in Suva, where a large and enthusiastic crowd saw the first aircraft to land in Fiji touch down at Albert Park. The Southern Cross landed at Eagle Farm Airport in Brisbane, Queensland, Australia, on 9 June, where a crowd of 25,000 people were waiting to greet the Southern Cross on its arrival at the airport. The Southern Cross flew on to Sydney the following day (10 June). The aircraft was in constant radio communication with ships and shore during the flight using four transmitters and three receivers powered by a ram air turbine attached to the fuselage below the cockpit. Transmitters included one 50 watt short-wave set operating at 33.5 metres wavelength and two 60 watt sets operating at 600 metres, with one 600