Boeing Model 247 was an early United States airliner, considered the first such aircraft to fully incorporate advances such as all-metal semimonocoque construction, a fully cantilevered wing and retractable landing gear.
Boeing Model 247 was an early United States airliner, considered the first such aircraft to fully incorporate advances such as all-metal semimonocoque construction, a fully cantilevered wing and retractable landing gear.