Ключевые слова: air, aircraft, airplane, aviation, blade, business, carry, clear, copter, copterline, day, emergency, flight, float, fly, fuel, generation, hanging, hawk, helicopter, high, horizontal, hovering, land, lift, lynx, midair, mode, passenger, rescue, rotor, sikorsky, sky, speed, storm, tourist, transport, transportation, travel, up, urgency, utility, vehicle, vertical, view, wind,