Sikorsky S-40

Sikorsky S-40 adalah kapal terbang amfibi Amerika dibangun oleh Sikorsky di awal 1930-an untuk Pan American World Airways dengan biaya $ 250.000.

Itu adalah pesawat komersial terbesar pada masanya dan pesawat amfibi terbesar di dunia.

Referensi 

 Davies, R.E.G. Pan Am: An Airline and its Aircraft. New York: Orion Books, 1987. ISBN 0-517-56639-7.
 Yenne, Bill. Seaplanes & Flying Boats: A Timeless Collection from Aviation's Golden Age. New York: BCL Press, 2003. ISBN 1-932302-03-4.

Pranala luar 

 "World's Largest Amphibian Takes Flight", Popular Science, October 1931
 The Sikorsky S-40 in the film Flying Down to Rio
 "Huge Amphibian Will Carry Forty-Six Passengers" Popular Mechanics, July 1931 article and photos of construction of first S-40.
 "This Sea Going Airliner Is Like A Clipper Ship", Popular Mechanics, September 1931, early cutaway drawing on announcement of construction
 "Luxuries Found In Air Travel On Huge U.S. Planes", Popular Mechanics, July 1932, interior of S-40 showing passenger accommodations

Pesawat terbang Sikorsky