To survive in these challenging times, airlines needed bigger, better, and faster airplanes that could profitably fly passengers as well as mail.
To survive in these challenging times, airlines needed bigger, better, and faster airplanes that could profitably fly passengers as well as mail. New navigation and communications equipment was also required to enhance safety and efficiency. The aviation industry responded. By the late 1930s, the first modern, high-performance airliners were taking to the air.