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 47 became the first helicopter certified for civilian use on 8 March 1946.
47G-2 version – powered by the Lycoming VO-435 engine. Produced under license by Westland Aircraft as the Sioux for the UK military.