A two-seat development of the VS-300, the R-4 was the world's first helicopter to go into full scale production. It served with the Navy and Coast Guard as the HNS and with the Royal Navy as the Hoverfly. This package contains models on wheels and floats, a 2D panel based on illustrations in the...
The S-56 was a revolutionary helicopter. It was the first production twin-engined helicopter and one of the first helicopters with retractable landing gear. It established World Speed, Altitude and Lifting records and had some very advanced features. Developed as a heavy assault transport for...
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