The Sikorsky S-40 was an American sesquiplane amphibious flying boat built for an airline founded in what year?
Sikorsky S-40 The Sikorsky S-40 was an American sesquiplane amphibious flying boat built by Sikorsky in the early 1930s for Pan American World Airways.
American Aeronautical Corporation The American Aeronautical Corporation (AAC) was founded in October 1928 by Enea Bossi, located at 730 Fifth Avenue in Port Washington, New York. Its purpose was to build Savoia-Marchetti seaplanes under license. Licenses were acquired for both the S-55 and the S-56 and both were tested at the Miller Army Air Field, but only the latter made it to production.