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IS-4 Jastrząb
Type of aircraft / From Wikipedia, the free encyclopedia
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The IS-4 Jastrząb (Instytut Szybownictwa – gliding institute) was a single-seat aerobatic glider designed and built in Poland from 1949.
Quick Facts Role, National origin ...
IS-4 Jastrząb | |
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Role | Glider |
National origin | Poland |
Manufacturer | Instytut Szybownictwa |
Designer | J Niespał |
First flight | 21 Dec 1949[1] |
Introduction | 1950 |
Number built | 37[1] |
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