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.
Kaman Aircraft Kaman Aerospace is an American aerospace company, with headquarters in Bloomfield, Connecticut. It was founded in 1945 by Charles Kaman. During the first ten years the company operated exclusively as a designer and manufacturer of several helicopters that set world records and achieved many aviation firsts.