Overview
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.
Specifications
Dimensions
| Length | 10.15 m |
|---|---|
| Wingspan | 13.47 m |
| Height | 3.78 m |
Performance
| Max. speed | 221 km/h |
|---|---|
| Range | 1,046 km |
Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.
Photos
Photo 1: Seattle Municipal Archives from Seattle, WA / Wikimedia Commons · CC BY 2.0
Some text and images come from Wikipedia / Wikimedia Commons under CC BY-SA licences. Source



