Igor Ivanovich Sikorsky (Russian: И́горь Ива́нович Сико́рский , IPA: ['iɡərʲ ɪ'vanəvit͡ɕ sʲ'korskʲɪj] ( ), tr. Ígor' Ivánovič Sikórskij; May 25, 1889 – October 26, 1972),[N 1] was a Russian American aviation pioneer in both helicopters and fixed-wing aircraft. He designed and flew the world's first multi-engine fixed-wing aircraft, the Russky Vityaz in 1913, and the first airliner, Ilya Muromets, in 1914.
क्या आप के पास ऐसा प्रपत्र है जिसे आप एक अनुप्रयोग के रूप मैं बदलना चाहतें है?
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