Focke-Wulf Fw 61

The Focke-Wulf Fw 61 is often considered the first practical, functional helicopter, first flown in 1936. It was also known as the Fa 61, as Focke began a new company—Focke Achgelis—after development had begun.

Read more about Focke-Wulf Fw 61:  Development, Operational History, Specifications (Fw 61)