29th of August 2011, at the Institute of Aviation was held presentation about X-2 helicopter of Sikorsky Aircraft. Presentation was performed by Kevin Bredenbeck, director of aviation operations in Sikorsky Aircraft, main test-pilot of the X-2 helicopter. It was the first ever presentation of this new and unique helicopter in Poland, and during the meeting directors of the Institute of Aviation and other emplyees were present. There was also a short discusion about X-2 helicopter.