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Monomail 221
Boeing Monomail, designed initially to carry cargo and mail, was one of the most revolutionary airplanes in commercial aviation history. The Monomail Model 200 was a mail plane, and the Model 221 was a six-passenger transport. Both were later revised for transcontinental passenger service as Model 221As.
Model 221A Monomail
221A Monomail at Boeing Field Hangar
221A Monomail at Boeing Field Hangar
BI223981 (4818b)
221A Monomail at Boeing Field Hangar
In 1930, Boeing created the revolutionary Monomail, which made traditional biplane construction a design...
Boeing Monomail on Apron
Vintage United Air Lines Model 221 Monomail
Model 221A Monomail Loading Passengers
Model 221A Monomail Passenger Cabin, Looking Aft
Boeing Monomail Cockpit
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