IdentifierGAF_image_101SourceGeneral Aircraft Files, Boeing Model 40B-4 B&W Photos FolderDescriptionPhotograph of a Boeing Model 40B-4 aircraft in front of a Hanford Airlines hangar, circa 1930s. Aircraft is pictured in three-quarters front right view.
Inscription on verso: "40B-4."Creation Datecirca 1930sSubjectBoeing Model 40B-4Extent1 photograph : print, black and white ; 10 x 8 in.LanguageEnglishOriginal Formatphotographic printsBibliographic CitationThe General Aircraft Files/The Museum of FlightRightsCopyright undetermined
[Boeing Model 40B-4 aircraft], [GAF_image_101]. Museum of Flight Digital Collections, accessed 06/02/2026, https://digitalcollections.museumofflight.org/nodes/view/26280
![[Boeing Model 40B-4 aircraft]](/img/placeholder.gif?1762303493 "[Boeing Model 40B-4 aircraft]")