Sikorsky SH-3 Sea King Sikorsky SH-3 Sea King The Sikorsky SH-3 Sea King (company designation S-61) is an American twin-engined anti-submarine warfare (ASW) helicopter designed and built by Sikorsky Aircraft. A landmark design, it was the world's first amphibious helicopter and one of the first ASW rotorcraft to use turboshaft engines. The Sea King has its origins in efforts by the United States Navy as a means of counteracting the growing threat of Soviet submarines during the 1950s. Accordingly, the helicopter was specifically developed to deliver a capable ASW platform; in particular, it combined the roles of "hunter" and "killer", which had previously been
Sikorsky S-10 by another 3050 mm and the Gnome engine was replaced by a stronger Monosoupape engine, the S-10 served as both a reconnaissance and trainer on floats with the Baltic Fleet. Russian test pilot Gleb Alekhnovich set a Russian record by flying non-stop 500 km in 4 hours 56 minutes and 12 seconds with the S-10. Data from "History of aircraft construction in the USSR". Sikorsky S-10 The Sikorsky S-10 was a Russian Empiren military twin-float seaplane that served with the Baltic Fleet from the summer of 1913 to 1915. After Igor Sikorsky built the successful Sikorsky S-6 for the Russian