In the audio titled "Passing Flight", the listener is given an immersive experience of the sensation and sound of flying. The audio begins with a gradual crescendo of an engine's roar, indicating the approach of an aircraft. It beautifully captures the intensity and excitement of a take-off, with the sounds of rushing wind and a powerful engine. As the aircraft gains altitude, the engine noise mellows into a steady hum, simulating the serene tranquility of cruising in the blue sky. The listener can almost feel the cool altitude air and see the world shrinking beneath them. There's a sense of journey and exploration suggested by the constant hum of the engine and the occasional sound of air currents buffeting the aircraft. The concluding part of the audio signifies a flyby, marked by a sudden increase and then gradual decrease in the engine's roar. It leaves behind a calming silence, a contrast to the exciting journey, and an anticipation of the next flight. The audio effectively tr