Ключевые слова: accident, air, aircraft, ambulance emergency, assistance, aviation, below, blade, blades, blue, chopper, copter, danger, deutschland, drf luftrettung, emergency, engine, flight, fly, flying, fuselage, germany, guard, helicopter, help, hover, medical, medicine, military, mountain, pilot, propeller, protection, raf, rescue, rescueoperation, risk, rotor, rotor blade, safety, save, sea, search, sky, survival, transport, transportation, view, vignette, working,