221A Monomail at Boeing Field Hangar 

Model 200 Monomail in Flight 

Boeing Monomail on Apron 

Monomail on Tarmac 

Model 200 Monomail in Flight 

Boeing Monomail Cockpit 

Model 221A Monomail at Boeing Field 

Model 221 Monomail Landing Gear 

Model 221 Monomail 

Model 200 Monomail on the Ground 

Loading Mail into a Monomail 

Model 200 Monomail on Tarmac 

Model 200 Monomail Loading Cargo 

Model 221A Monomail Loading Passengers 

Vintage United Air Lines Model 221 Monomail 

Model 200 Monomail Wing Jig Assembly 

Model 221A Monomail Passenger Cabin, Looking Aft 

Model 221A Monomail