DEVICE FOR RESCUE OF HELICOPTER Russian patent published in 1999 - IPC

FIELD: aviation. SUBSTANCE: device for rescue of helicopter includes rocket and parachute connected with flying vehicle by means of rope passing through tail extremity of helicopter. Parachute and rocket are located respectively in two ducts having common axle of turn inside which rope connecting the parachute and drive runs. Center of mass of ducts is located below axis of turn and extensible parachute duct may be locked in extended position. Helicopter case is provided with two rods located on either side. Rods are provided with drive for extending and locking them in extended position. Rods are located between center of mass of helicopter and rotor blades. In an emergency, provision is made for descent of helicopter from low altitude. EFFECT: enhanced efficiency. 3 cl, 3 dwg