@SFOMuseum Instagram Posts This is SFO Museum's archive of the @SFOMuseum Instagram account. from January 27, 2021

The Sikorsky S-40 was developed in response to requests from Pan American Airways’ president Juan T. Trippe for a high-capacity flying boat. This image was posted on January 27, 2021. #wingwednesday #avgeek #aviationhistory #sikorsky