What is the exhaust from a plane called?
Contrails are line-shaped exhaust clouds or “condensation trails” that are visible behind jet aircraft. This white line is called a contrail cloud, short for condensation trail. Water vapor is one of the byproducts of jet fuel combustion and will turn into ice crystals in the cold air at the high altitudes where jet airplanes fly.
Is it normal to smell exhaust on a plane?
Your aircraft and the aircraft waiting to take off all around you are all vaporizing at least 3 gallons of fuel every minute into jet exhaust. So yes, lol, it’s normal to smell exhaust. They Smell Although airplane lavatories receive a constant supply of fresh air, it seems it’s never enough to eliminate odors.