Ключевые слова: 11ac, 28, aerodrome, aeronca, aircraft, airfield, airport, altenrhein, altitude, approach, arrival, aviation, blue, business, climate, crew, descending, destination, elevation, enthusiastic, environment, excursion, fan, fascinating, final, flight, gallen, holiday, journey, landing, learning, motion, observe, passenger, pilot, plane, pollution, practice, propeller, saint, scenery, school, sight, sky, small, spotting, switzerland, tourism, travel, view,