1924
The S-29A (A for America), in the spring of 1924. Igor Sikorsky, in the open ...
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The one-off S-32 was a large fabric-covered metal biplane, with a 400hp Liberty engine, built ...
1925
The S-35 was designed as a twin-engined transport with a range of about 1600km. In ...
1926
Two S-33 Messengers were built, the first in 1926 as a racing aircraft with a ...
Sikorsky's first attempt to build an amphibian, the six-seat S-34, flew in 1926. During a ...
1927
Despite the S-35 tragedy, Capt. Rene Fonck decided to try again, in a new ...
Six S-36 amphibians were built, each with two 200hp Wright Whirlwind engines. The US Navy ...
1928
The S-38 was a nine-seat commercial amphibian powered by two 313kW Pratt & Whitney Wasp ...
A smaller single-engined development of the S-38 powered by a Pratt & Whitney Wasp Junior ...
1929
1930
When built the Sikorsky S-40 was the largest amphibian in the world. Powered by four ...
Fifteen-passenger development of the S-38 powered by three 428kW Pratt & Whitney Hornet engines. Also ...
1934
First flown on 29 March 1934, the S-42 was a large 36-passenger commercial flying-boat powered ...
Eleven-fifteen-passenger commercial amphibian powered by two 559kW Pratt & Whitney Hornet engines and known as ...
1936
1937
The VS-44A was a commercial version of the experimental XPBS-1 patrol-bomber flying-boat, which had been ...