The American Eagle Aircraft Corporation found that demand for their A-129 biplane and their other models was badly affected by the Wall Street stockmarket crash of late 1929 which ushered in the Great Depression.
The single Model A-31 of 1931 was fitted with the more powerful Continental A-50 of 50 h.p., and was followed by 13 Model B-31 and B-32 powered by the 45 h.p.