An airplane co-pilot on an Air China flight caused a plane to go into an emergency descent due to his poor decision to vape on the plane.
The co-pilot was vaping on the plane and he turned off the air circulation fans so that the vapor wouldn’t go into the cabin. Well, it turns out that he actually turned off the air conditioning, which maintains the oxygen levels on the plane.
That caused a shortage of oxygen, which resulted in the plane going into an emergency descent of 25,000 feet in 10 minutes and causing oxygen masks to drop. Nobody was hurt and the plane went back up to normal altitude and landed safely at its destination.
Air China has since fired the entire flight deck crew, who may now also lose their pilot’s licenses.