During 1912-1916 (1914) United States has send a test mail by air, and on January 1 1914. open routes across the Bay at the city of Tampa. In the United States by Florida State, St. Petersburg has become the first passenger. After the trial, transport, postal, air, success in 1918. United States, therefore, has expanded the business, such as a much more permanent. In the year 1919 has turned commercial airlines for the first time in Europe, flying between London and Paris, and in the Decade of 1920, it expanded its business to fly between France and Germany (Lundberg, 1985:67), and the United States over the same period, it expanded its business to commercial aviation in the country. The role of the aircraft not already send mail but acts which passenger and cargo weight (Wells, 1984:42-43) in 1993. The Boeing 247 (Boeing 247) and DC (DC-1) on board, only 2 people.
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