First flown on February 8, 1933, the Boeing 247 is regarded as the first modern airliner: an all-metal monoplane with retractable landing gear, an autopilot and de-icing equipment. Only 75 were built, because its very success drove the…
The Boeing B-17 Flying Fortress was an American four-engined heavy bomber designed in the mid-1930s for the United States Army Air Corps. Fast for its size, able to work at high altitude and bristling with defensive guns at the expense of…