_:b6422825 "1950, Flying Magazine, volume 46, number 3, page 18:"@en . _:b6422825 "Still keeping his tail in the air, Red coaxed the \u201CAirknocker\u201D ahead and as we grasped his struts he slowly retarded the throttle. We walked the plane between two tiedown blocks and not until we had tied the struts did Red cut the switch."@en .