Curtiss CW-20 prototype plane NX-19436 on tarmac, taking off, landing, and taxiing in 1940

LS men standing at base of stairs to NX-19436, people walking back and forth in fgd / man in cockpit cleans windows with rag / CU NX-19436 nose and right propeller, man stands on wing, airport in bkgd / MS NX-19436 takes off / MS NX-19436 flies away from camera and wheels retract / NX-19436 lands / NX-19436 taxis at airport / NX-19436 on tarmac, two men walk toward camera, four men stand under wing, NX19436 written on underside of wing / Note: exact year not known; documentation incomplete