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The Sikorsky R-4 is a two-seat helicopter that was designed by Igor Sikorsky with a single, three-bladed main rotor and powered by a radial engine. The R-4 was the world's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces , [ 1 ] the United States Navy , the United States Coast Guard ...
Caudron R.4, World War I French reconnaissance aircraft, first flown in 1915 Curtiss R-4, air ambulance version of the American Curtiss Model R utility aircraft, first flown in 1915 Sikorsky R-4 , American helicopter, first flown in 1942
Sikorsky Aircraft is an American aircraft manufacturer based in Stratford, Connecticut. It was established by the Russian aviation pioneer Igor Sikorsky in 1923, and was among the first companies to manufacture helicopters for civilian and military use.
The Boeing-Sikorsky team is seen to have an advantage with their large industrial base that may result in wider support from Congress. Their transport helicopters are the most-used in the Army currently. [12] Up to 2013, Sikorsky and partners have spent $250 million on X2 and Raider. [6] The team and aircraft will be separate from the S-97 ...
OSLO (Reuters) -Norway on Thursday halted all helicopter traffic to its offshore oil and gas fields after a deadly crash, and said it was considering grounding Sikorsky's S-92A aircraft model ...
This is simply not the case. It is also commonly stated that the R4 was the first helicopter to take off and land from a ship. The introduction places that misinformation in perspective by informing that Shipboard helicopters (Fl 265) retired from service with the Navy before any sikorsky helicopters had flown untethered.
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Medium-lift transport/utility helicopter Sikorsky Aircraft Developed to replace the United States Marine Corps' Marine One U.S. presidential transport fleet. It is a militarized variant of the Sikorsky S-92. 2017 In development Unknown Sikorsky-Boeing SB-1 Defiant: Compound helicopter Sikorsky Aircraft / Boeing