Schweizer 330/333
Schweizer 330/333 The 330 and the 330SP versions of this three- to four-place, single-turbine-powered military training/utility helicopter were powered by a 420-shp. Rolls-Royce Model 250-C20W turboshaft engine derated to 235 shp. The new 333 is powered by a 420-shp. Model 250-C20W derated to 232...
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