Boeing Model 40
| Use attributes for filter ! | |
| Introduced | 1927-07-01 00:00:00 |
|---|---|
| First flight | 1925-07-20 00:00:00 |
| Number built | ca. 80 |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3417710 |
About Boeing Model 40
The Boeing Model 40 was 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.