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.
British United Airways British United Airways (BUA) was a private, independent British airline formed as a result of the merger of Airwork Services and Hunting-Clan Air Transport in July 1960, making it the largest wholly private airline based in the United Kingdom at the time. British and Commonwealth Shipping (B&C) was the new airline's main shareholder.