In which layer of the atmosphere do aeroplanes fly?

The layer of the Earth's atmosphere where most planes fly is the TROPOSPHERE. Explanation: The TROPOSPHERE is the layer of the atmosphere closest to the Earth. It extends approximately 7 miles, or 11 km above sea level, but is thicker at the equator and thinner at the poles. read more

The layer of the Earth's atmosphere where most planes fly is the TROPOSPHERE. Explanation: The TROPOSPHERE is the layer of the atmosphere closest to the Earth. read more

The troposphere, the lowest layer of Earth’s atmosphere, is where almost all weather occurs. Jet planes fly through the troposphere to reach the stratosphere, where planes fly more smoothly and experience less weather interference. read more