ABC was the first plane was classified as a commercial aircraft. 4 engine was designed by Igor, GI, test flying the first course on 10 December. In 1913 and on 25 February. 1914 can fly test with passengers 16 people and fly - back to the route between St. Petersburg - Kiev. The 21 to 23 June, in the same year.The first plane is provided in a commercial airliner.Sikorsky Ilya Muro Metz was the first aircraft to be classified as. Commercial aircraft with four engines.were designed by Igor Sikorsky. The first flight test on 10 December 1913. And on 25 February 1914 can. Fly test with 16 passengers.
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