Found and Explained Official on MSN

The VTOL plane that was easier than a jet - Bell X-22

Bell and Lockheed built the X-22A around four tilting ducted fans, aiming for a compact transport that could lift off ...
Vintage Aviation News on MSN

Today in aviation history: First flight of the Bell X-22

On March 17, 1966, the Bell X-22 made its first flight, testing an experimental V/STOL design using four swiveling ducted ...