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Boeing 40
Interwar (1919–1938)
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
- Category
- Fixed Wing
- Domain
- Civil
- Era
- Interwar (1919–1938)
- Engine
- Pratt & Whitney Wasp
- Thrust / Power
- 420 hp (313 kW)
- Length (ft)
- 33
- Wingspan (ft)
- 44
- Empty Weight (lb)
- 3531
- MTOW (lb)
- 6000
- Service Ceiling (ft)
- 14500
- Range (mi)
- 650
- Max Speed (mph)
- 128