Boeing 247
Airliner
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The Boeing Model 247 is an early American airliner, and one of the first such aircraft to incorporate advances such as all-metal semimonocoque construction, a fully cantilevered wing, and retractable landing gear. Wikipedia
First flight: February 8, 1933
Manufacturers: Boeing Co and Boeing Commercial Airplanes
Top speed: 200 mph
Engine type: Pratt & Whitney Wasp series
Introduced: 1933
Range: 745.6 mi
Wingspan: 74′ 0″