Ключевые слова: air, airfield, airport, area, background, blue, building, circle, construction, control, copter, cruise, deck, emergency, empty, field, flight, fly, galloway, global, h, helicopter, helipad, heliport, high, horizon, landing, landscape, letter, pad, park, place, port, scene, sea, security, ship, sign, sky, space, symbol, system, top, transport, transportation, travel, view, water, white,