Sikorsky VH-92 Sikorsky VH-92 The Sikorsky/Lockheed Martin VH-92 is an American helicopter under development to replace the United States Marine Corps' Marine One U.S. Presidential transport fleet. It is a military variant of the Sikorsky S-92. Sikorsky entered the VH-92 variant of the S-92 into the VXX competition for U.S. Presidential helicopter Marine One, but lost to the Lockheed Martin VH-71 Kestrel. However, the competition was restarted in 2010 due to ballooning VH-71 development costs, allowing Sikorsky to resubmit the VH-92 in April 2010. By mid-2013, all other aircraft makers had dropped out of the contest, leaving only Sikorsky. On 7 May
Sikorsky S-16 Sikorsky S-16 The Sikorsky S-16, or RBVZ S-XVI (named after its manufacturer), was a Russian equi-span single-bay two-seat biplane designed by Igor Sikorsky in 1914-15. Conceived in response to demand for an escort fighter for the Ilya Muromets bombers, it was noteworthy in that it was one of the first aircraft to possess synchronisation gear for its 7.7 mm machine gun. The first S-XVI was completed on 6 February 1915 with an 80 hp engine instead of the intended 100 hp because of supply problems. On 17 December 1915, the Russian government placed an order for 18 aircraft, these being