Sikorsky/Schweizer 330/S-333/S-434

Schweizer Aircraft developed the Models 330 and 333 prior to the company's acquisition by Sikorsky in 2004. The 330 was developed from the piston-powered Model 300. The 330 and the improved 330SP models were both powered by a Rolls-Royce 250-C20W turboshaft engine derated to 232 shp. Production of...

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