IS-4 Jastrząb

IS-4 Jastrząb
Role Glider
National origin Poland
Manufacturer Instytut Szybownictwa
Designer J Niespał
First flight 21 Dec 1949
Introduction 1950
Number built 37

The IS-4 Jastrząb (Instytut Szybownictwa – gliding institute) was a single-seat aerobatic glider designed and built in Poland from 1949.

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