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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 .
The Army accepted both designs and Boeing continued to develop its Boeing Model 15 fighter into the subsequent radial-engined F2B F3B, and P12/F4B fighters, [13] which made Boeing a leading manufacturer of fighters over the course of the next decade. In 1925, Boeing built its Model 40 mail airplane for the U.S. government to use on airmail ...
0–9. Boeing Model 1; Boeing Model 2; Boeing Model 40; Boeing B-1; Boeing Model 6D; Boeing Model 7; Boeing 7J7; Boeing Model 8; Boeing Model 10; Boeing Model 15
A whole family of successful fighters followed, along with Boeing's first commercial airliners the Model 40 mailplane and subsequent Model 80 airliner. [ 12 ] [ page needed ] After becoming the company's vice president in 1926, Egtvedt continued to push the company's airplane designs forward, helping define the configuration of the seminal ...
Boeing 95 (front) and Boeing 40 (rear) in flight. While the Model 95 was of the same general configuration as the Model 40, it was larger and more sophisticated aerodynamically and structurally, and was optimized for freight instead of passengers.
The Boeing C-40 Clipper is a military version of the Boeing 737 Next Generation used to transport cargo and passengers. It is used by the United States Navy , Air Force , and Marine Corps . [ 2 ] The Navy C-40A variant is named "Clipper", whereas the USAF C-40B/C variants are officially unnamed.
Varney added a Breese-Wilde Model 5 [3] and replaced its original Swallows with Stearman C3s and thereafter upgraded as new equipment became available. Subsequent aircraft included the larger Stearman M-2 Speedmail and the Boeing Model 40 dedicated mail planes, and finally the more modern Boeing 247 twin-engine monoplane. Arriving in 1933, the ...
Boeing Model 360; Boeing Vertol CH-46 Sea Knight; Boeing CH-47 Chinook; Boeing Vertol YUH-61; Boeing Vertol XCH-62/XCH-62 HLH; Boeing AH-64 Apache; Boeing–Sikorsky RAH-66 Comanche; Boeing X-50 Dragonfly; SkyHook JHL-40; Sikorsky–Boeing SB-1 Defiant