Igor Sikorsky

Standard Name: Sikorsky, Igor

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13 January 1942: The first practical single-rotor helicopter...

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13 January 1942

The first practical single-rotor helicopter was flown by Igor Sikorsky . This inaugurated the modern helicopter age.
Gibbs-Smith, Charles Harvard. Aviation: An Historical Survey from its Origins to the end of World War II. Her Majesty’s Stationery Office, 1970.
250
Bruno, Leonard. On the Move: A Chronology of Advances in Transportation. Gale Research, 1993.
239

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