<page_title> List of X-planes </page_title> <section_title> List </section_title> <table> <cell> X-22 <col_header> Type </col_header> </cell> <cell> Bell <col_header> Manufacturer </col_header> </cell> <cell> Quad ducted fan tiltrotor STOVL <col_header> Role </col_header> </cell> </table>
The Bell X-22 was a STOVL X-plane with tiltrotor ducted fans.