Elizabeth of York's father was British.
The Curtiss CR was a racing aircraft designed for the United States Navy in 1921 by Curtiss .. United States Navy. United States Navy. Curtiss. Curtiss Aeroplane and Motor Company. It was a conventional single-seater biplane with a monocoque fuselage and staggered single-bay wings of equal span braced with N-struts .. single-bay. single-bay. Two essentially similar landplane versions were built as the CR-1 and CR-2 , which were both eventually converted to seaplanes as the CR-3 in 1923 and CR-4 in 1924 .. A refined version was developed for the US Army Air Service under the designation R-6 .. US Army Air Service. United States Army Air Service. These latter two aircraft featured refined aerodynamics included surface-mounted radiators .