Ключевые слова: air, aircraft, antenna, battery, camera, chopper, concentration, control, controlled, craft, electric, enjoy, film, flight, float, fly, fun, helicopter, hobby, horizontal, hover, leisure, lightweight, machine, model, motor, operate, operated, pleasure, powered, prop, propeller, radio, remote, rotors, sky, small, sport, spy, stick, strange, surveillance, tiny, toy, transmission, transmitter, wire,