The jubilee coin is dedicated to Igor Ivanovich Sikorsky, a pioneer of aviation, designer of aircrafts and helicopters, an industrialist. When studying at the Kiev Polytechnic Institute (1907-1914) he set to work on development of the first helicopters to be. From 1910 Igor Sikorsky constructed aircrafts. The first multi-engine aircrafts in the world – “Le Grand”, “Ilya Muromets”, “Russky Vityaz” – were of his design. Being a native of Ukraine, Igor Sikorsky became well-known all over the world as one of the most famous aircraft designers. Issued into circulation on May 29, 2009.