Boeing 247
The Boeing Model 247 is an early American airliner, and one of the first such aircraft to incorporate advances such as all-metal (anodized aluminum) semimonocoque construction, a fully cantilevered wing, and retractable landing gear. Other advanced features included control surface trim tabs, an autopilot and de-icing boots for the wings and tailplane. The 247 first flew on February 8, 1933, and entered service later that year.
| Boeing 247 | |
|---|---|
| United Air Lines Boeing 247D in flight | |
| Role | Passenger airliner |
| National origin | United States |
| Manufacturer | Boeing |
| First flight | February 8, 1933 |
| Introduction | May 22, 1933 |
| Status | Retired |
| Primary user | Boeing Air Transport |
| Number built | 75 |
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