Sikorsky S-40 of Pan Am (forward view) aloft
Sikorsky S.40 first flown April 1931. Only three built -all for Pan American. Carried 38 passengers
Picture No
14098562
Media ID
45867535
Size
10674px x 6537px
(2.9MB)
Credit
© Hugh W. Cowin Aviation Collection / Mary Evans Picture Library
Source
Photograph from the Hugh W. Cowin Aviation Collection
Date
1930s






























