"Sikorsky has a well-known helicopter, the S-61. It is a bit smaller than the Mil Mi-17, and is powered by a 1,400hp General Electric engine. But the S-61 is not capable of flying well in hot and high conditions with this engine, so Sikorsky came to us. We have already had a feq meetings with them over re-engining the S-61 with Motor Sich engines" said Vyacheslav Boguslayev, director of Motor sich,...