Yakovlev Yak-140

Yak-140
Side view of a Yak-140 showing the tandem undercarriage and outriggers
General information
TypeFighter
National originSoviet Union
ManufacturerYakovlev
StatusCancelled
Number built1

The Yakovlev Yak-140 was a Soviet prototype lightweight supersonic fighter developed during the 1950s. The prototype was completed in 1954, but it was denied authorization to enter flight testing and the program was cancelled in 1956.