PZL-Swidnik SW-4
The SW-4 is a Polish light single-turbine helicopter powered by the 458-shp Rolls-Royce 250-C20R/2. First flight occurred in 1996, but deliveries to the Polish air force did not start until 2004. AgustaWestland acquired PZL-Swidnik in January 2010. By the end of 2011, some 32 SW-4s had been built...
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