Sikorsky S-70 also uses the S-70 for special operations by the 160th Special Operations Aviation Regiment ("Night Stalkers") at Fort Campbell, Kentucky, designated as the MH-60K. The "Maple Hawk" was a variant offered by Sikorsky to the Canadian Forces during the tender to replace the military's search and rescue helicopters. The company name for the H-60/S-70 family is the S-70 Black Hawk. Sikorsky S-70 The Sikorsky S-70 is an American medium transport/utility helicopter family manufactured by Sikorsky Aircraft. It was developed for the US Army in the 1970s, winning a competition to be designated the UH-60 Black Hawk and spawning a large
Sikorsky S-9 Sikorsky S-9 The Sikorsky S-9 "Kruglyj" (Rounded One) was a Russian single engine prototype aircraft completed in the spring of 1913 by the Russian Baltic Railroad Car Works while Igor Sikorsky was the chief engineer of the aircraft manufacturing division. The S-9 was a three-seat mid-wing monoplane with constant-chord wire-braced wings originally powered by a Gnome air-cooled rotary engine rated at . It was the first monocoque monoplane built in Russia and the cylindrical tapered fuselage was constructed of plywood 5 mm thick in the forward section and 3mm thick aft. Construction was completed in the spring of 1913. Upon