Can You Hear A Plane At 20 000 Feet?
Can You Hear A Plane At 20 000 Feet? Can you hear a plane at 20 000 feet? Smaller aircraft and those without jets cannot be heard as easily. For example a Dash 8 at 20,000ft+ is barely audible, whilst a 747-400 at 40,000ft is still quite clearly heard as a low drone overhead. Can