*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

https://en.wikipedia.org/wiki/Bell_47 https://en.wikipedia.org/wiki/Bell_H-13_Sioux The Bell 47 is a single rotor single engine light helicopter manufactured by Bell Helicopter. It was based on the third Bell 30 prototype, which was the company's first helicopter designed by Arthur M. Young. The...