The Blériot XI was the first aircraft put into military use by France and Italy in 1910 and by Britain in 1912. This Blériot was built by California Aero Manufacturing and Supply Company in 1911. It is believed to be the first California-built airplane to fly.
Blériot XI
This single-engine monoplane was designed and built in 1908 by pioneering French aviators Louis Blériot and Raymond Saulnier. Louis Blériot made the first airplane flight across the English Channel on July 25, 1909, in the XI.