Sikorsky S-40
Encyclopedia
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External links
- "World's Largest Amphibian Takes Flight", Popular Science, October 1931
- Virtual Aircraft Museum
- 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