Ключевые слова: 737, 2013, a319, a320, aerospace, airberlin, airbus, aircraft, airline, airlines, airplane, airplanes, airport, austria, aviation, blue, boarding, boeing, business, cabin, civil, duesseldorf, dus, editorial, engine, europe, flight, fly, germany, illustrative, jet, jetliner, machine, mass, niki, parked, partner, passengers, plane, public, runway, sky, stairs, tourism, transit, transport, transportation, travel, turbine, wings,