Before revision: History Pre-History The development of the earliest predecessors of UAM aircraft began in the early 1900s with early concepts of “flying cars” such as Glenn Curtiss's Autoplane, developed in 1917.
After revision: History Pre-history The development of the earliest predecessors of UAM aircraft began in the early 1900s with early concepts of “flying cars” such as Glenn Curtiss's Autoplane, developed in 1917.