Worldwide Military Aircraft Program Updates

These are 3-4-seat, single-turbine-powered military training/utility helicopters. The 330 and the 330SP were both powered by a 420-shp. Rolls-Royce Model 250-C20W turboshaft engine derated to 235 shp. The new 333 uses a 420-shp. Model 250-C20W derated to 232 shp. Through 2008, Schweizer ­produced 32...

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