Ключевые слова: aim, aircraft, airliner, airplane, atmosphere, aviation, back, bend, blue, carbon, clear, condensation, course, curve, daytime, direction, distant, failure, flight, fly, flying, fuel, high, imprint, jet, journey, machine, malfunction, motion, movement, plane, pollution, purpose, reason, route, sky, speed, trace, track, traffic, transport, transportation, traveling, trip, turbine, turn, vapor, way, why,