Ключевые слова: 172, aerodrome, aircraft, airfield, airport, altenrhein, altitude, approach, aviation, business, cessna, climate, crew, descending, destination, elevation, enthusiastic, environment, excursion, fan, fascinating, final, flight, gallen, holiday, journey, landing, learning, observe, passenger, pilot, plane, pollution, practice, propeller, reims, runway, saint, scenery, school, sight, sky, skyhawk, small, spotting, switzerland, tourism, travel, view, wings,