Wednesday, January 14, 2009

Dc_3 airoplain


By riding atop mail sacks carried on airmail routes, air passengers in the early 1920s pioneered the first passenger airlines. In single-engine biplanes such as the Boeing Model 40 and Douglas M-2, these early flyers couldn't imagine that by the end of the next decade millions of people would be flying from one end of the United States to the other and that the dawn of international air travel would be well under way.
A giant leap in technology would make air travel safe, convenient and reliable. Amazingly, this advance would take place during an economic depression unlike any the United States had experienced. It would come about primarily through the efforts of two companies: The Boeing Airplane Company and Douglas Aircraft Company.
In early 1933 Boeing introduced the world's first modern passenger transport, the Model 247. This all-metal, twin-engine monoplane with retractable landing gear sported a streamlined design. It could carry 10 passengers comfortably and safely, and it cut the coast-to-coast flying time from about 28 hours to 20 hours.

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