American Airlines started out as the Aviation Corporation (AVCO) in 1929 when Sherman Fairchild formed it as a subsidiary of his Fairchild Aviation Corporation. The following year, it purchased about 85 separate airlines and united and synched their routes, creating American Airlines. But, in 1934, regulations forced the separation of the airline from its airplane manufacturer parent because of many concerns. This was mainly made possible because the US mail heavily subsidized the airlines in those days, which rendered it a great influence and very powerful in the industry. But starting in 1936, thanks to its purchase and use of the highly successful DC-3 passenger airliner, American Airlines became profitable again because of its passenger