Back بوينغ طراز 40 Arabic Boeing Model 40 Czech Boeing Model 40 German Boeing Model 40 Greek Boeing Model 40 Spanish بوئینگ مدل ۴۰ Persian Boeing Model 40 French Boeing Model 40 Armenian Boeing Model 40 ID Boeing Model 40 Italian
| Model 40 | |
|---|---|
 | |
| General information | |
| Type | Mail plane |
| Manufacturer | Boeing |
| Primary users | Boeing Air Transport |
| Number built | ca. 80 |
| History | |
| Introduction date | July 1, 1927 |
| First flight | July 20, 1925 |
The Boeing Model 40 is a United States mail plane of the 1920s. It was a single-engined biplane that was widely used for airmail services in the United States in the 1920s and 1930s, especially by airlines that later became part of United Airlines. It became the first aircraft built by the Boeing company to carry passengers.