In recent days, Shenyang J-11 fighter planes of the Chinese navy would have flanked a CH-148 "Cyclone" amphibious helicopter of the Canadian navy, arriving at a very close distance, up to 30 meters from the rotary-wing vehicle, then firing some rockets that would pass right in front of the nose of the North American aircraft."In these cases the risk to a helicopter is to the rotor blades or the engines,...