Aerocar

Aerocar International's Aerocar (often called the Taylor Aerocar) was an American roadable aircraft, designed and built by Moulton Taylor in Longview, Washington, in 1949. Although six examples were built, the Aerocar never entered production.

Read more about Aerocar:  Design and Development, Testing and Certification, The Six Models, Specifications (Aerocar I)