[1] In 1915, the St. Louis Car Company had been approached by Thomas W. Benoist to build 1000 flying boats.
[3] Their two companies had skilled labor and facilities needed to construct wood-framed aircraft.
[7] The company ordered 100 100 hp Kinner K-T radial engines to power the light monoplane, but production ceased in 1931 in the peak of the depression.
[9] In the buildup to World War II, the company developed its own biplane trainer the St. Louis PT-35, which lost to the Boeing Stearman.
It also produced a low winged trainer to compete in an Army contract, the St. Louis PT-LM-4.