The H-13 Sioux is a two-bladed, single engine, light helicopter manufactured by Bell Helicopter. Based on the third Model 30 prototype, Bell’s first helicopter designed by Arthur M. Young, the …
Helicopter & VTOL Aircraft playlist: Pilot Training Film playlist: more at Helicopter Vibrations and Resonance Part I: Vibrations in the H-13 US Army training film TF1-5102c Public domain film from …