Google
×

Contrail

Cloud
Contrails or vapor trails are line-shaped clouds produced by aircraft engine exhaust or changes in air pressure, typically at aircraft cruising altitudes several miles above the Earth's surface. They are composed primarily of water, in the form of... Wikipedia
Altitude: 7,500 to 12,000 m; (25,000 to 40,000 ft)
Appearance: Long bands
Classification: Family A (High-level)