Ключевые слова: aerodrome, aircraft, airfield, airport, altenrhein, altitude, aviation, business, clearance, climate, crew, da20, departure, destination, diamond, eclipse, elevation, enthusiastic, environment, excursion, fan, fascinating, flight, gallen, holiday, journey, learning, leaving, observe, passenger, pilot, plane, pollution, position, practice, propeller, runway, saint, scenery, school, sight, sky, small, spotting, switzerland, takeoff, tourism, travel, view, waiting,