The Siai-Marchetti/Silvercraft SH-4 is an Italian three-seater light helicopter designed for pilot training, utility use, agriculture duties, surveying, ambulance and police duties. The Siai-Marchetti/Silvercraft SH-4 was first flown in 1965. The Siai-Marchetti/Silvercraft SH-4 is powered by a Franklin 6A-350-D six-cylinder horizontally-opposed air-cooled engine providing a top speed of 161 kmh and a range of 300 km. Research Siai-Marchetti SH-4
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Abbreviations
Research Siai-Marchetti SH-4
