Sikorsky S-1

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Sikorsky S-1 aircraft circa 1910.jpg
Igor Sikorsky and the S-1 near Kiev, Russian Empire in May 1910
Role Prototype
National origin Russian Empire
Designer Igor Sikorsky
First flight May 1910
Number built 1
Developed into Sikorsky S-2

The Sikorsky S-1 was the first fixed wing aircraft design by Igor Sikorsky. In February 1910 work began on the pusher configured biplane powered by a 15 hp (11 kW) Anzani three-cylinder, air-cooled engine. The machine was completed in April and Sikorsky began his first attempts at flight. In early May during a take-off attempt on a windy day the machine briefly became airborne due mostly to the fact it had a favorable headwind. Further attempts were less successful and Sikorsky disassembled it, saving the main wing section to construct the S-2.[1]


Data from Russian Aviation Museum[2]

General characteristics

  • Crew: One
  • Length: 26 ft 3 in (8 m)
  • Upper wingspan: 26 ft 3 in (8 m)
  • Wing area: 260 sq ft (24 m2)
  • Empty weight: 397 lb (180 kg)
  • Gross weight: 551 lb (250 kg)
  • Powerplant: 1 × Anzani 3 -cylinder air-cooled fan piston engine, 15 hp (11 kW)


See also[edit]

Related development


  1. ^ Sikorsky, Igor (1944). The Story of the Winged-S. New York: Dodd, Mead & Company. p. 39. ISBN 9781258163556.
  2. ^ "BIS No.1". 4 September 1997. Retrieved 2 April 2017.