Prototype Stearman XA-21 on the ground
Prototype Stearman XA-21 serial 40-191
Stearman XA-21 40-191 on the ground 3
Stearman XA-21 40-191 4
Prototype Stearman XA-21 40-191 in flight 2
XA-21 with a conventional stepped nose, side view
XA-21 with a conventional stepped nose
XA-21 with a conventional stepped nose, front view
XA-21 rear view
Stearman XA-21 (Model X-100) – prototype twin-engined attack aircraft for United States Army Air Corps.