The Boeing Model 200 Monomail was an American mail plane of the early 1930s. The aircraft marked a departure from the traditional biplane configuration...

twin-engine development of Boeing's single-engine Model 200 Monomail commercial transport. In May 1930, Boeing had flown its Model 200 Monomail single-engined mailplane...

from Boeing through April 2023 Boeing 7x7 series Boeing 707 Boeing 717 Boeing 727 Boeing 737 Boeing 747 Boeing 757 Boeing 767 Boeing 777 Boeing 787 Dreamliner...

year. Boeing introducing a host of aerodynamic and technical features into a new commercial airliner building on work with the earlier Monomail (Models...

confirmed that the landing gear was a major source of drag, in 1930 the Boeing Monomail featured a retractable gear. The flush rivet displaced the domed rivet...

number of design innovations: it had retractable landing gear (as Boeing Monomail had five years before), and all rivets and joints set flush into the...

established the path for transport aircraft through the 1930s. In 1930, Boeing built the Monomail, a low-wing all-metal monoplane that carried mail. The low drag...

and retractable undercarriage. The landing gear was similar to the Boeing Monomail, the main wheels retracting backwards about halfway into the wings...

Aircraft of comparable role, configuration, and era Lockheed Vega Boeing Monomail Lockheed Model 9 Orion Notes Eden and Moeng 2002, pp. 74–77. Smith...

Aircraft of comparable role, configuration, and era Airspeed Envoy Boeing Monomail Breese-Dallas Model 1 General Aviation/Clarke GA-43 Junkers Ju 60 Kharkiv...